diff --git a/.circleci/config.yml b/.circleci/config.yml
index 8631e86..64d62be 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -50,5 +50,5 @@ workflows:
   version: 2
   gradle:
     jobs:
-      - build_gradle_jdk11
+      - build_gradle_jdk20
       - build_gradle_jdk17
diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index 50d91fe..13384a8 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -8,11 +8,11 @@ jobs:
 
     env:
       GRADLE_OPTS: "-Dorg.gradle.jvmargs=-XX:MaxMetaspaceSize=512m"
-      SONAR_JDK: "11"
+      SONAR_JDK: "17"
 
     strategy:
       matrix:
-        java-version: [ 11, 17, 20 ]
+        java-version: [ 17, 20 ]
 
     steps:
       - uses: actions/checkout@v3
diff --git a/build.gradle b/build.gradle
index 1924cb3..6e7d0d4 100644
--- a/build.gradle
+++ b/build.gradle
@@ -60,8 +60,8 @@ tasks.withType(JavaCompile) {
 }
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_11
-    targetCompatibility = JavaVersion.VERSION_11
+    sourceCompatibility = JavaVersion.VERSION_17
+    targetCompatibility = JavaVersion.VERSION_17
     withSourcesJar()
     withJavadocJar()
 }