diff --git a/.github/workflows/continuous-integration-workflow.yml b/.github/workflows/continuous-integration-workflow.yml
index e0c7964..24fd7f1 100644
--- a/.github/workflows/continuous-integration-workflow.yml
+++ b/.github/workflows/continuous-integration-workflow.yml
@@ -14,7 +14,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        jdk: [8,9,10,11,12,14]
+        jdk: [8,11,12]
       fail-fast: false
     steps:
       - uses: actions/checkout@v2
diff --git a/.github/workflows/pr-build-workflow.yml b/.github/workflows/pr-build-workflow.yml
index f301ea7..a3cf1be 100644
--- a/.github/workflows/pr-build-workflow.yml
+++ b/.github/workflows/pr-build-workflow.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        jdk: [8,9,10,11,12,14]
+        jdk: [8,11,12]
       fail-fast: false
     steps:
       - uses: actions/checkout@v2