diff --git a/Jenkinsfile b/Jenkinsfile
index 53cc1e6f31f..7ff37aba28c 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -44,9 +44,9 @@ node('ubuntu') {
       withEnv(["Path+JDK=$JAVA_JDK_17/bin","JAVA_HOME=$JAVA_JDK_17"]) {
         withCredentials([string(credentialsId: 'SONARCLOUD_TOKEN', variable: 'SONAR_TOKEN')]) {
           if ( env.BRANCH_NAME.startsWith("PR-") ) {
-            sh './gradlew --no-parallel --no-daemon jacocoAggregateTestReport sonar -PenableJacoco -Dsonar.pullrequest.branch=${CHANGE_BRANCH} -Dsonar.pullrequest.base=${CHANGE_TARGET} -Dsonar.pullrequest.key=${CHANGE_ID} -Dsonar.login=${SONAR_TOKEN}'
+            sh './gradlew --no-parallel --no-daemon jacocoAggregateTestReport sonar -PenableJacoco -Porg.sonarqube.version=4.4.1.3373 -Dsonar.pullrequest.branch=${CHANGE_BRANCH} -Dsonar.pullrequest.base=${CHANGE_TARGET} -Dsonar.pullrequest.key=${CHANGE_ID} -Dsonar.login=${SONAR_TOKEN}'
           } else {
-            sh './gradlew --no-parallel --no-daemon jacocoAggregateTestReport sonar -PenableJacoco -Dsonar.branch.name=${BRANCH_NAME} -Dsonar.login=${SONAR_TOKEN}'
+            sh './gradlew --no-parallel --no-daemon jacocoAggregateTestReport sonar -PenableJacoco -Porg.sonarqube.version=4.4.1.3373 -Dsonar.branch.name=${BRANCH_NAME} -Dsonar.login=${SONAR_TOKEN}'
           }
         }
       }
diff --git a/build.gradle.kts b/build.gradle.kts
index 0f4ff553db4..60d340ac34e 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -25,12 +25,12 @@ import com.github.vlsi.gradle.properties.dsl.props
 import com.github.vlsi.gradle.release.RepositoryType
 import de.thetaphi.forbiddenapis.gradle.CheckForbiddenApis
 import de.thetaphi.forbiddenapis.gradle.CheckForbiddenApisExtension
-import java.net.URI
 import net.ltgt.gradle.errorprone.errorprone
 import org.apache.calcite.buildtools.buildext.dsl.ParenthesisBalancer
 import org.gradle.api.tasks.testing.logging.TestExceptionFormat
 
 plugins {
+    base
     // java-base is needed for platform(...) resolution,
     // see https://github.com/gradle/gradle/issues/14822
     `java-base`
@@ -68,11 +68,6 @@ repositories {
 
 tasks.wrapper {
     distributionType = Wrapper.DistributionType.BIN
-    doLast {
-        val sha256Uri = URI("$distributionUrl.sha256")
-        val sha256Sum = String(sha256Uri.toURL().readBytes())
-        propertiesFile.appendText("distributionSha256Sum=${sha256Sum}\n")
-    }
 }
 
 fun reportsForHumans() = !(System.getenv()["CI"]?.toBoolean() ?: false)
@@ -193,7 +188,7 @@ val javadocAggregate by tasks.registering(Javadoc::class) {
 
     classpath = files(sourceSets.map { set -> set.map { it.output + it.compileClasspath } })
     setSource(sourceSets.map { set -> set.map { it.allJava } })
-    setDestinationDir(file("$buildDir/docs/javadocAggregate"))
+    setDestinationDir(file(layout.buildDirectory.get().file("docs/javadocAggregate")))
 }
 
 /** Similar to {@link #javadocAggregate} but includes tests.
@@ -208,7 +203,7 @@ val javadocAggregateIncludingTests by tasks.registering(Javadoc::class) {
 
     classpath = files(sourceSets.map { set -> set.map { it.output + it.compileClasspath } })
     setSource(sourceSets.map { set -> set.map { it.allJava } })
-    setDestinationDir(file("$buildDir/docs/javadocAggregateIncludingTests"))
+    setDestinationDir(file(layout.buildDirectory.get().file("docs/javadocAggregateIncludingTests")))
 }
 
 val adaptersForSqlline = listOf(
@@ -232,6 +227,21 @@ val sqllineClasspath by configurations.creating {
     }
 }
 
+@CacheableRule
+abstract class AddDependenciesRule @Inject constructor(val dependencies: List<String>) : ComponentMetadataRule {
+    override fun execute(context: ComponentMetadataContext) {
+        listOf("compile", "runtime").forEach { base ->
+            context.details.withVariant(base) {
+                withDependencies {
+                    dependencies.forEach {
+                        add(it)
+                    }
+                }
+            }
+        }
+    }
+}
+
 dependencies {
     sqllineClasspath(platform(project(":bom")))
     sqllineClasspath(project(":testkit"))
@@ -239,12 +249,21 @@ dependencies {
     for (p in adaptersForSqlline) {
         sqllineClasspath(project(p))
     }
+
+    components {
+        for (m in dataSetsForSqlline) {
+            withModule<AddDependenciesRule>(m)
+        }
+    }
+
     for (m in dataSetsForSqlline) {
-        sqllineClasspath(module(m))
+        sqllineClasspath(m)
     }
     if (enableJacoco) {
         for (p in subprojects) {
-            jacocoAggregation(p)
+            if (p.name != "bom") {
+                jacocoAggregation(p)
+            }
         }
     }
 }
@@ -318,7 +337,7 @@ fun com.github.autostyle.gradle.BaseFormatExtension.license() {
 sonarqube {
     properties {
         property("sonar.test.inclusions", "**/*Test*/**")
-        property("sonar.coverage.jacoco.xmlReportPaths", "$buildDir/reports/jacoco/jacocoAggregateTestReport/jacocoAggregateTestReport.xml")
+        property("sonar.coverage.jacoco.xmlReportPaths", layout.buildDirectory.get().file("reports/jacoco/jacocoAggregateTestReport/jacocoAggregateTestReport.xml"))
     }
 }
 
@@ -449,7 +468,7 @@ allprojects {
             // Unfortunately, Gradle passes only config_loc variable by default, so we make
             // all the paths relative to config_loc
             configProperties!!["cache_file"] =
-                buildDir.resolve("checkstyle/cacheFile").relativeTo(configLoc)
+                layout.buildDirectory.asFile.get().resolve("checkstyle/cacheFile").relativeTo(configLoc)
         }
         // afterEvaluate is to support late sourceSet addition (e.g. jmh sourceset)
         afterEvaluate {
@@ -512,7 +531,7 @@ allprojects {
     }
 
     plugins.withType<JavaPlugin> {
-        configure<JavaPluginConvention> {
+        configure<JavaPluginExtension> {
             sourceCompatibility = JavaVersion.VERSION_1_8
             targetCompatibility = JavaVersion.VERSION_1_8
         }
@@ -800,7 +819,7 @@ allprojects {
                 }
             }
             configureEach<Test> {
-                outputs.cacheIf("test results depend on the database configuration, so we souldn't cache it") {
+                outputs.cacheIf("test results depend on the database configuration, so we shouldn't cache it") {
                     false
                 }
                 useJUnitPlatform {
@@ -850,8 +869,8 @@ allprojects {
                     description = "$description (skipped by default, to enable it add -Dspotbugs)"
                 }
                 reports {
-                    html.isEnabled = reportsForHumans()
-                    xml.isEnabled = !reportsForHumans()
+                    html.required.set(reportsForHumans())
+                    xml.required.set(!reportsForHumans())
                 }
                 enabled = enableSpotBugs
             }
@@ -908,8 +927,9 @@ allprojects {
             archives(sourcesJar)
         }
 
-        val archivesBaseName = "calcite-$name"
-        setProperty("archivesBaseName", archivesBaseName)
+        base {
+            archivesName.set("calcite-$name")
+        }
 
         configure<PublishingExtension> {
             if (project.path == ":") {
@@ -922,7 +942,7 @@ allprojects {
             }
             publications {
                 create<MavenPublication>(project.name) {
-                    artifactId = archivesBaseName
+                    artifactId = base.archivesName.get()
                     version = rootProject.version.toString()
                     description = project.description
                     from(components["java"])
@@ -964,10 +984,14 @@ allprojects {
                             // Re-format the XML
                             asNode()
                         }
+
+                        fun capitalize(input: String): String {
+                            return input.replaceFirstChar { it.uppercaseChar() }
+                        }
                         name.set(
-                            (project.findProperty("artifact.name") as? String) ?: "Calcite ${project.name.capitalize()}"
+                            (project.findProperty("artifact.name") as? String) ?: "Calcite ${capitalize(project.name)}"
                         )
-                        description.set(project.description ?: "Calcite ${project.name.capitalize()}")
+                        description.set(project.description ?: "Calcite ${capitalize(project.name)}")
                         inceptionYear.set("2012")
                         url.set("https://calcite.apache.org")
                         licenses {
diff --git a/buildSrc/build.gradle.kts b/buildSrc/build.gradle.kts
index 06f486a9fcd..fdf111eef79 100644
--- a/buildSrc/build.gradle.kts
+++ b/buildSrc/build.gradle.kts
@@ -45,6 +45,11 @@ allprojects {
         dirMode = "775".toInt(8)
         fileMode = "664".toInt(8)
     }
+
+    java {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
 }
 
 fun Project.applyKotlinProjectConventions() {
@@ -52,7 +57,7 @@ fun Project.applyKotlinProjectConventions() {
         apply(plugin = "org.gradle.kotlin.kotlin-dsl")
     }
 
-    tasks.withType<KotlinCompile> {
+    tasks.withType<KotlinCompile>().configureEach {
         kotlinOptions {
             jvmTarget = "1.8"
         }
diff --git a/buildSrc/settings.gradle.kts b/buildSrc/settings.gradle.kts
index 1149c90d8d7..e3b6a38b804 100644
--- a/buildSrc/settings.gradle.kts
+++ b/buildSrc/settings.gradle.kts
@@ -31,7 +31,7 @@ include("buildext")
 val upperCaseLetters = "\\p{Upper}".toRegex()
 
 fun String.toKebabCase() =
-    replace(upperCaseLetters) { "-${it.value.toLowerCase()}" }
+    replace(upperCaseLetters) { "-${it.value.lowercase()}" }
 
 fun buildFileNameFor(projectDirName: String) =
     "$projectDirName.gradle.kts"
diff --git a/buildSrc/subprojects/javacc/src/main/kotlin/org/apache/calcite/buildtools/javacc/JavaCCTask.kt b/buildSrc/subprojects/javacc/src/main/kotlin/org/apache/calcite/buildtools/javacc/JavaCCTask.kt
index 340b7d8cbdf..38270621898 100644
--- a/buildSrc/subprojects/javacc/src/main/kotlin/org/apache/calcite/buildtools/javacc/JavaCCTask.kt
+++ b/buildSrc/subprojects/javacc/src/main/kotlin/org/apache/calcite/buildtools/javacc/JavaCCTask.kt
@@ -63,7 +63,7 @@ open class JavaCCTask @Inject constructor(
         project.javaexec {
             classpath = javaCCClasspath.get()
             // The class is in the top-level package
-            main = "javacc"
+            getMainClass().set("javacc")
             args("-STATIC=${static.get()}")
             args("-LOOKAHEAD:${lookAhead.get()}")
             args("-OUTPUT_DIRECTORY:${output.get()}/${packageName.get().replace('.', '/')}")
diff --git a/core/build.gradle.kts b/core/build.gradle.kts
index 9674eb8d921..ede7dfee7bf 100644
--- a/core/build.gradle.kts
+++ b/core/build.gradle.kts
@@ -114,7 +114,7 @@ tasks.jar {
     }
 }
 
-val generatedVersionDir = File(buildDir, "generated/sources/version")
+val generatedVersionDir = layout.buildDirectory.get().file("generated/sources/version")
 val versionClass by tasks.registering(Sync::class) {
     val re = Regex("^(\\d+)\\.(\\d+).*")
 
@@ -150,7 +150,7 @@ val versionClass by tasks.registering(Sync::class) {
 }
 
 ide {
-    generatedJavaSources(versionClass.get(), generatedVersionDir)
+    generatedJavaSources(versionClass.get(), generatedVersionDir.asFile)
 }
 
 sourceSets {
@@ -212,6 +212,11 @@ tasks.withType<AutostyleTask>().configureEach {
     mustRunAfter(javaCCTest)
 }
 
+tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile>().configureEach {
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+}
 ide {
     fun generatedSource(javacc: TaskProvider<org.apache.calcite.buildtools.javacc.JavaCCTask>, sourceSet: String) =
         generatedJavaSources(javacc.get(), javacc.get().output.get().asFile, sourceSets.named(sourceSet))
@@ -271,8 +276,12 @@ val integTestAll by tasks.registering() {
     description = "Executes integration JDBC tests for all DBs"
 }
 
+fun capitalize(input: String): String {
+    return input.replaceFirstChar { it.uppercaseChar() }
+}
+
 for (db in listOf("h2", "mysql", "oracle", "postgresql")) {
-    val task = tasks.register("integTest" + db.capitalize(), Test::class) {
+    val task = tasks.register("integTest" + capitalize(db), Test::class) {
         group = LifecycleBasePlugin.VERIFICATION_GROUP
         description = "Executes integration JDBC tests with $db database"
         include("org/apache/calcite/test/JdbcAdapterTest.class")
@@ -280,7 +289,7 @@ for (db in listOf("h2", "mysql", "oracle", "postgresql")) {
         systemProperty("calcite.test.db", db)
         // Include the jars from the custom configuration to the classpath
         // otherwise the JDBC drivers for each DBMS will be missing
-        classpath = classpath + configurations.getAt("test" + db.capitalize())
+        classpath += configurations.getAt("test" + capitalize(db))
     }
     integTestAll {
         dependsOn(task)
diff --git a/gradle.properties b/gradle.properties
index 3015b91b3d1..e43da370954 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -51,12 +51,12 @@ com.github.spotbugs.version=2.0.0
 com.github.vlsi.vlsi-release-plugins.version=1.90
 com.google.protobuf.version=0.8.10
 de.thetaphi.forbiddenapis.version=3.5.1
-jacoco.version=0.8.10
-kotlin.version=1.7.10
+jacoco.version=0.8.12
+kotlin.version=1.9.22
 net.ltgt.errorprone.version=1.3.0
-me.champeau.gradle.jmh.version=0.5.3
+me.champeau.jmh.version=0.7.2
 org.jetbrains.gradle.plugin.idea-ext.version=0.5
-org.nosphere.apache.rat.version=0.7.0
+org.nosphere.apache.rat.version=0.8.1
 org.owasp.dependencycheck.version=6.1.6
 org.sonarqube.version=3.5.0.2730
 com.gradle.enterprise.version=3.13.2
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 943f0cbfa75..d64cd491770 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 49b350a3a55..bcc1d6e79ea 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -16,8 +16,9 @@
 #
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.1-bin.zip
+distributionSha256Sum=544c35d6bd849ae8a5ed0bcea39ba677dc40f49df7d1835561582da2009b961d
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-bin.zip
 networkTimeout=10000
+validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionSha256Sum=6147605a23b4eff6c334927a86ff3508cb5d6722cd624c97ded4c2e8640f1f87
diff --git a/gradlew b/gradlew
index 65dcd68d65c..1aa94a42690 100755
--- a/gradlew
+++ b/gradlew
@@ -83,10 +83,8 @@ done
 # This is normally unused
 # shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
+APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum
@@ -133,10 +131,13 @@ location of your Java installation."
     fi
 else
     JAVACMD=java
-    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+    if ! command -v java >/dev/null 2>&1
+    then
+        die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
 
 Please set the JAVA_HOME variable in your environment to match the
 location of your Java installation."
+    fi
 fi
 
 # Increase the maximum file descriptors if we can.
@@ -144,7 +145,7 @@ if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
         # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
-        # shellcheck disable=SC3045 
+        # shellcheck disable=SC2039,SC3045
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
@@ -152,7 +153,7 @@ if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
       '' | soft) :;; #(
       *)
         # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
-        # shellcheck disable=SC3045 
+        # shellcheck disable=SC2039,SC3045
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
@@ -197,11 +198,15 @@ if "$cygwin" || "$msys" ; then
     done
 fi
 
-# Collect all arguments for the java command;
-#   * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
-#     shell script including quotes and variable substitutions, so put them in
-#     double quotes to make sure that they get re-expanded; and
-#   * put everything else in single quotes, so that it's not re-expanded.
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Collect all arguments for the java command:
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+#     and any embedded shellness will be escaped.
+#   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
+#     treated as '${Hostname}' itself on the command line.
 
 set -- \
         "-Dorg.gradle.appname=$APP_BASE_NAME" \
diff --git a/settings.gradle.kts b/settings.gradle.kts
index adb373f79b9..9033080d1d4 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -38,7 +38,7 @@ pluginManagement {
         idv("com.google.protobuf")
         idv("de.thetaphi.forbiddenapis")
         idv("jacoco")
-        idv("me.champeau.gradle.jmh")
+        idv("me.champeau.jmh")
         idv("net.ltgt.errorprone")
         idv("org.jetbrains.gradle.plugin.idea-ext")
         idv("org.nosphere.apache.rat")
diff --git a/site/_docs/howto.md b/site/_docs/howto.md
index 26571eb5b36..9304c153f6f 100644
--- a/site/_docs/howto.md
+++ b/site/_docs/howto.md
@@ -32,7 +32,7 @@ adapters.
 ## Building from a source distribution
 
 Prerequisite is Java (JDK 8, 11, 17 or 19)
-and Gradle (version 7.6.1) on your path.
+and Gradle (version 8.7) on your path.
 
 Unpack the source distribution `.tar.gz` file,
 `cd` to the root directory of the unpacked source,
@@ -91,7 +91,7 @@ For more information about Gradle, check the following links:
 
 ## Upgrade Gradle and the Gradle Wrapper
 
-Gradle's [documentation](https://docs.gradle.org/current/userguide/upgrading_version_7.html)
+Gradle's [documentation](https://docs.gradle.org/current/userguide/upgrading_version_8.html)
 provides detailed information about how to upgrade Gradle. Here is a list of steps:
 
 1. Run `./gradlew help --warning-mode=all` to find out whether you are
@@ -99,10 +99,8 @@ provides detailed information about how to upgrade Gradle. Here is a list of ste
 2. Fix the deprecations and repeat the previous step to confirm they are
    fixed. This is a step where Gradle doc could be very helpful since it
    contains info about deprecations and how to cope with them.
-3. Run `./gradlew wrapper --gradle-version <new_gradle_version>` to upgrade
-   Gradle. If necessary it will also upgrade the Gradle Wrapper.
-   This step also updates `gradle/wrapper/gradle-wrapper.properties`,
-   including the checksum.
+3. Run `./gradlew wrapper --gradle-version=<new_gradle_version> --gradle-distribution-sha256-sum=<distribution-sum>`
+   to upgrade Gradle. Checksum should be taken from [Gradle release checksums](https://gradle.org/release-checksums/).
 4. Check and update Kotlin version in `gradle.properties` if required.
    Check should be done against [Kotlin compatibility matrix](https://docs.gradle.org/current/userguide/compatibility.html#kotlin).
 5. Step 3 will have removed the header from
diff --git a/testkit/build.gradle.kts b/testkit/build.gradle.kts
index 5f4ab9f5544..dba83160d39 100644
--- a/testkit/build.gradle.kts
+++ b/testkit/build.gradle.kts
@@ -41,3 +41,9 @@ dependencies {
     testImplementation(kotlin("test"))
     testImplementation(kotlin("test-junit5"))
 }
+
+tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile>().configureEach {
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+}
diff --git a/ubenchmark/build.gradle.kts b/ubenchmark/build.gradle.kts
index 7af86bb4616..1764da53f57 100644
--- a/ubenchmark/build.gradle.kts
+++ b/ubenchmark/build.gradle.kts
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 plugins {
-    id("me.champeau.gradle.jmh")
+    id("me.champeau.jmh")
 }
 
 dependencies {
@@ -31,7 +31,7 @@ dependencies {
 }
 
 // See https://github.com/melix/jmh-gradle-plugin
-// Unfortunately, current jmh-gradle-plugin does not allow to cusomize jmh parameters from the
+// Unfortunately, current jmh-gradle-plugin does not allow to customize jmh parameters from the
 // command line, so the workarounds are:
 // a) Build and execute the jar itself: ./gradlew jmhJar && java -jar build/libs/calcite-...jar JMH_OPTIONS
 // b) Execute benchmarks via .main() methods from IDE (you might want to activate "power save mode"
@@ -44,7 +44,7 @@ tasks.withType<JavaExec>().configureEach {
         // At best jmh plugin should add the generated directories to the Gradle model, however,
         // currently it builds the jar only :-/
         // IntelliJ IDEA "execute main method" adds a JavaExec task, so we configure it
-        classpath(File(buildDir, "jmh-generated-classes"))
-        classpath(File(buildDir, "jmh-generated-resources"))
+        classpath(File(layout.buildDirectory.asFile.get(), "jmh-generated-classes"))
+        classpath(File(layout.buildDirectory.asFile.get(), "jmh-generated-resources"))
     }
 }