diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index eb9de0aa..259db167 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -18,13 +18,13 @@ jobs:
       matrix:
         # test against latest update of each major Java version, as well as specific updates of LTS versions:
         RUNTIME: [ol, wlp]
-        RUNTIME_VERSION: [23.0.0.6, 23.0.0.3]
+        RUNTIME_VERSION: [23.0.0.6, 23.0.0.9]
         java: [17, 11, 8]
         exclude:
         - java: 8
-          RUNTIME_VERSION: 23.0.0.3
+          RUNTIME_VERSION: 23.0.0.6
         - java: 17
-          RUNTIME_VERSION: 23.0.0.3
+          RUNTIME_VERSION: 23.0.0.6
     name: ${{ matrix.RUNTIME }} ${{ matrix.RUNTIME_VERSION }}, Java ${{ matrix.java }}, Linux
     steps:
     # Checkout repos
@@ -95,15 +95,15 @@ jobs:
       matrix:
         # test against latest update of each major Java version, as well as specific updates of LTS versions:
         RUNTIME: [ol, wlp]
-        RUNTIME_VERSION: [23.0.0.6, 23.0.0.3]
+        RUNTIME_VERSION: [23.0.0.6, 23.0.0.9]
         java: [17, 11, 8]
         exclude:
         - java: 8
-          RUNTIME_VERSION: 23.0.0.3
+          RUNTIME_VERSION: 23.0.0.6
         - java: 8
           RUNTIME: wlp
         - java: 17
-          RUNTIME_VERSION: 23.0.0.3
+          RUNTIME_VERSION: 23.0.0.6
     name: ${{ matrix.RUNTIME }} ${{ matrix.RUNTIME_VERSION }}, Java ${{ matrix.java }}, Windows
     steps:
     # Checkout repos