diff --git a/.github/workflows/nightly-builds-aeron.yml b/.github/workflows/nightly-builds-aeron.yml
index da22ee871c..2d5efedc2c 100644
--- a/.github/workflows/nightly-builds-aeron.yml
+++ b/.github/workflows/nightly-builds-aeron.yml
@@ -9,6 +9,7 @@
 name: Nightly Aeron Tests
 
 on:
+  pull_request:
   schedule:
     - cron: "0 0 * * *"
   workflow_dispatch:
@@ -35,11 +36,11 @@ jobs:
           fetch-depth: 0
           fetch-tags: true
 
-      - name: Setup Java 11
+      - name: Setup Java 23
         uses: actions/setup-java@v4
         with:
           distribution: temurin
-          java-version: 11
+          java-version: 23
 
       - name: Install sbt
         uses: sbt/setup-sbt@v1
diff --git a/.github/workflows/nightly-builds.yml b/.github/workflows/nightly-builds.yml
index 5bf2cc3702..044562080e 100644
--- a/.github/workflows/nightly-builds.yml
+++ b/.github/workflows/nightly-builds.yml
@@ -1,6 +1,7 @@
 name: Nightly Builds
 
 on:
+  pull_request:
   schedule:
     - cron: "0 0 * * *"
   workflow_dispatch:
@@ -115,7 +116,8 @@ jobs:
         # binary version is required and Pekko build will set the right
         # full version from it.
         scalaVersion: ["2.12.x", "2.13.x", "3.3.x"]
-        javaVersion: [8, 11, 17, 21]
+        # temp remove 8, 11, 17, 21
+        javaVersion: [23]
     env:
       DEVELOCITY_ACCESS_KEY: ${{ secrets.DEVELOCITY_ACCESS_KEY }}
     steps: