diff --git a/.circleci/config.yml b/.circleci/config.yml
index 2958369..76aad89 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -52,4 +52,4 @@ workflows:
   gradle:
     jobs:
       - build_gradle_jdk11
-      - build_gradle_jdk17
+      - build_gradle_jdk18
diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index 5881074..a0b7843 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -12,7 +12,7 @@ jobs:
 
     strategy:
       matrix:
-        java-version: [ 11, 17, 18 ]
+        java-version: [ 11, 18 ]
 
     steps:
       - uses: actions/checkout@v2
diff --git a/appveyor.yml b/appveyor.yml
index 7c2afa9..b66b878 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -24,7 +24,6 @@ cache:
 environment:
   matrix:
   - JAVA_HOME: C:\Program Files\Java\jdk17
-  - JAVA_HOME: C:\Program Files\Java\jdk11
-
+  
 matrix:
   fast_finish: true