diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 0000000..e9a6cdc
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,37 @@
+name: Build
+on:
+  push:
+    branches:
+      - develop
+      - master
+  pull_request:
+    types: [opened, synchronize, reopened]
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis
+      - name: Set up JDK 16
+        uses: actions/setup-java@v1
+        with:
+          java-version: 16
+      - name: Cache SonarCloud packages
+        uses: actions/cache@v1
+        with:
+          path: ~/.sonar/cache
+          key: ${{ runner.os }}-sonar
+          restore-keys: ${{ runner.os }}-sonar
+      - name: Cache Maven packages
+        uses: actions/cache@v1
+        with:
+          path: ~/.m2
+          key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
+          restore-keys: ${{ runner.os }}-m2
+      - name: Build and analyze
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  # Needed to get PR information, if any
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+        run: mvn -B verify org.sonarsource.scanner.maven:sonar-maven-plugin:sonar -Dsonar.projectKey=BentoBoxWorld_CaveBlock
\ No newline at end of file
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 8a21fa1..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,22 +0,0 @@
-language: java
-sudo: false
-addons:
-    sonarcloud:
-        organization: "bentobox-world"
-
-jdk:
-    - openjdk8
-    - openjdk11
-    
-matrix:
-  allow_failures:
-    - jdk: openjdk11
-    
-script:
-    # the following command line builds the project, runs the tests with coverage and then execute the SonarCloud analysis
-  - mvn clean org.jacoco:jacoco-maven-plugin:prepare-agent install sonar:sonar -Dsonar.projectKey=BentoBoxWorld_CaveBlock
-
-cache:
-    directories:
-        - '$HOME/.m2/repository'
-        - '$HOME/.sonar/cache'
diff --git a/pom.xml b/pom.xml
index 40cc26d..f3d163f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -50,8 +50,10 @@
         <!-- Revision variable removes warning about dynamic version -->
         <revision>${build.version}-SNAPSHOT</revision>
         <!-- This allows to change between versions and snapshots. -->
-        <build.version>1.14.4</build.version>
+        <build.version>1.14.5</build.version>
         <build.number>-LOCAL</build.number>
+        <sonar.organization>bentobox-world</sonar.organization>
+        <sonar.host.url>https://sonarcloud.io</sonar.host.url>
     </properties>
 
     <profiles>
@@ -92,30 +94,6 @@
                 <!-- GIT_BRANCH -->
             </properties>
         </profile>
-        <profile>
-            <id>sonar</id>
-            <properties>
-                <sonar.host.url>https://sonarcloud.io</sonar.host.url>
-                <sonar.organization>bentobox-world</sonar.organization>
-            </properties>
-            <build>
-                <plugins>
-                    <plugin>
-                        <groupId>org.sonarsource.scanner.maven</groupId>
-                        <artifactId>sonar-maven-plugin</artifactId>
-                        <version>3.6.0.1398</version>
-                        <executions>
-                            <execution>
-                                <phase>verify</phase>
-                                <goals>
-                                    <goal>sonar</goal>
-                                </goals>
-                            </execution>
-                        </executions>
-                    </plugin>
-                </plugins>
-            </build>
-        </profile>
     </profiles>
 
     <repositories>
diff --git a/src/main/java/world/bentobox/caveblock/generators/populators/EntitiesPopulator.java b/src/main/java/world/bentobox/caveblock/generators/populators/EntitiesPopulator.java
index c09a57c..4c95ec2 100644
--- a/src/main/java/world/bentobox/caveblock/generators/populators/EntitiesPopulator.java
+++ b/src/main/java/world/bentobox/caveblock/generators/populators/EntitiesPopulator.java
@@ -134,9 +134,10 @@ private void tryToPlaceEntity(World world, Block block, EntityType entity, Mater
             }
             // Make space for entity based on the entity's size
             BoundingBox bb = e.getBoundingBox();
-            for (int x = (int) bb.getMinX(); x < bb.getMaxX(); x++) {
-                for (int z = (int) bb.getMinZ(); z < bb.getMaxZ(); z++) {
-                    int y = (int) bb.getMinY();
+
+            for (int x = (int) Math.floor(bb.getMinX()); x < bb.getMaxX(); x++) {
+                for (int z = (int) Math.floor(bb.getMinZ()); z < bb.getMaxZ(); z++) {
+                    int y = (int) Math.floor(bb.getMinY());
                     Block b = world.getBlockAt(x, y, z);
                     for (; y < bb.getMaxY(); y++) {
                         if (addon.getSettings().isDebug()) {
@@ -148,7 +149,7 @@ private void tryToPlaceEntity(World world, Block block, EntityType entity, Mater
                             e.remove();
                             return;
                         }
-                        b.setType(WATER_ENTITIES.contains(entity) ? Material.WATER : Material.CAVE_AIR);
+                        b.setType(WATER_ENTITIES.contains(entity) ? Material.WATER : Material.AIR);
                     }
                     // Add air block on top for all water entities (required for dolphin, okay for others)
                     if (WATER_ENTITIES.contains(entity) && b.getRelative(BlockFace.UP).getType().equals(originalMaterial)) {