diff --git a/.github/workflows/static-checks.yml b/.github/workflows/static-checks.yml
index a374cf72ccfe..6ece670dae2b 100644
--- a/.github/workflows/static-checks.yml
+++ b/.github/workflows/static-checks.yml
@@ -41,7 +41,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        java: [ '8', '11', '17', '21' ]
+        # Use JDK 21.0.4 to work around https://github.com/apache/druid/issues/17429
+        java: [ '8', '11', '17', '21.0.4' ]
     runs-on: ubuntu-latest
     steps:
       - name: checkout branch
diff --git a/.github/workflows/unit-and-integration-tests-unified.yml b/.github/workflows/unit-and-integration-tests-unified.yml
index f2b9214d1aa8..f8aff5f56e15 100644
--- a/.github/workflows/unit-and-integration-tests-unified.yml
+++ b/.github/workflows/unit-and-integration-tests-unified.yml
@@ -79,7 +79,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        jdk: [ '8', '11', '17', '21' ]
+        # Use JDK 21.0.4 to work around https://github.com/apache/druid/issues/17429
+        jdk: [ '8', '11', '17', '21.0.4' ]
     runs-on: ubuntu-latest
     steps:
       - name: Checkout branch
@@ -160,7 +161,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        jdk: [ 11, 17, 21 ]
+        # Use JDK 21.0.4 to work around https://github.com/apache/druid/issues/17429
+        jdk: [ '11', '17', '21.0.4' ]
     name: "unit tests (jdk${{ matrix.jdk }}, sql-compat=true)"
     uses: ./.github/workflows/unit-tests.yml
     needs: unit-tests