diff --git a/README.md b/README.md
index cd93706..991e32b 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Ip4j
 
-Ip4j is a small, simple and zero dependencies Java 8+ library for retrieving a request IP address from an
+Ip4j is a small, simple and zero dependencies Java 11+ library for retrieving a request IP address from an
 `HttpServletRequest`. It supports various headers commonly used in web applications to forward client IP addresses.
 
 ## Features
diff --git a/build.gradle b/build.gradle
index 7149389..92f4594 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,13 +7,14 @@ group 'org.waterfallio'
 version '1.0.0'
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_1_8
-    targetCompatibility = JavaVersion.VERSION_1_8
+    sourceCompatibility = JavaVersion.VERSION_11
+    targetCompatibility = JavaVersion.VERSION_11
 }
 
 tasks.withType(JavaCompile) {
-    sourceCompatibility = JavaVersion.VERSION_1_8
-    targetCompatibility = JavaVersion.VERSION_1_8
+    options.release = 11
+    sourceCompatibility = JavaVersion.VERSION_11
+    targetCompatibility = JavaVersion.VERSION_11
 }
 
 publishing {
@@ -26,7 +27,7 @@ publishing {
 
             pom {
                 name = 'Ip4J'
-                description = 'Ip4j is a small and simple Java 8+ library for retrieving an IP address from request'
+                description = 'Ip4j is a small and simple Java 11+ library for retrieving an IP address from request'
 
                 licenses {
                     license {
@@ -44,13 +45,13 @@ repositories {
 }
 
 dependencies {
-    compileOnly 'javax.servlet:javax.servlet-api:4.0.1'
+    compileOnly 'jakarta.servlet:jakarta.servlet-api:6.0.0'
 
     testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.8.1'
-    testImplementation 'javax.servlet:javax.servlet-api:4.0.1'
+    testImplementation 'jakarta.servlet:jakarta.servlet-api:6.0.0'
     testImplementation 'org.junit.jupiter:junit-jupiter-api:5.8.1'
-    testImplementation 'org.mockito:mockito-junit-jupiter:4.11.0'
-    testImplementation 'org.mockito:mockito-core:4.11.0'
+    testImplementation 'org.mockito:mockito-junit-jupiter:5.11.0'
+    testImplementation 'org.mockito:mockito-core:5.11.0'
 }
 
 test {
diff --git a/jitpack.yml b/jitpack.yml
new file mode 100644
index 0000000..5bfa863
--- /dev/null
+++ b/jitpack.yml
@@ -0,0 +1,5 @@
+jdk:
+  - openjdk11
+before_install:
+  - sdk install java 11.0.23-tem
+  - sdk use java 11.0.23-tem
diff --git a/src/main/java/org/waterfallio/ip4j/Extractors.java b/src/main/java/org/waterfallio/ip4j/Extractors.java
index 4808321..2177f5a 100644
--- a/src/main/java/org/waterfallio/ip4j/Extractors.java
+++ b/src/main/java/org/waterfallio/ip4j/Extractors.java
@@ -1,6 +1,7 @@
 package org.waterfallio.ip4j;
 
-import javax.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletRequest;
+
 import java.util.regex.Pattern;
 
 public class Extractors {
diff --git a/src/main/java/org/waterfallio/ip4j/Ip4j.java b/src/main/java/org/waterfallio/ip4j/Ip4j.java
index d0c50b4..9bf959a 100644
--- a/src/main/java/org/waterfallio/ip4j/Ip4j.java
+++ b/src/main/java/org/waterfallio/ip4j/Ip4j.java
@@ -1,7 +1,8 @@
 package org.waterfallio.ip4j;
 
 
-import javax.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletRequest;
+
 import java.util.Arrays;
 import java.util.List;
 import java.util.function.Function;
diff --git a/src/test/java/org/waterfallio/ip4j/ExtractorsTest.java b/src/test/java/org/waterfallio/ip4j/ExtractorsTest.java
index 30d48ec..1651399 100644
--- a/src/test/java/org/waterfallio/ip4j/ExtractorsTest.java
+++ b/src/test/java/org/waterfallio/ip4j/ExtractorsTest.java
@@ -1,12 +1,11 @@
 package org.waterfallio.ip4j;
 
+import jakarta.servlet.http.HttpServletRequest;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.mockito.Mock;
 import org.mockito.junit.jupiter.MockitoExtension;
 
-import javax.servlet.http.HttpServletRequest;
-
 import static org.junit.jupiter.api.Assertions.*;
 import static org.mockito.Mockito.when;
 
diff --git a/src/test/java/org/waterfallio/ip4j/Ip4jTest.java b/src/test/java/org/waterfallio/ip4j/Ip4jTest.java
index df2b3d3..4c86ab0 100644
--- a/src/test/java/org/waterfallio/ip4j/Ip4jTest.java
+++ b/src/test/java/org/waterfallio/ip4j/Ip4jTest.java
@@ -1,12 +1,11 @@
 package org.waterfallio.ip4j;
 
+import jakarta.servlet.http.HttpServletRequest;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.mockito.Mock;
 import org.mockito.junit.jupiter.MockitoExtension;
 
-import javax.servlet.http.HttpServletRequest;
-
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.when;