diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a52d0c72..8fb502c1 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -14,7 +14,7 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v3
     - name: Set up JDK 11
-      uses: actions/setup-java@v3
+      uses: actions/setup-java@v4
       with:
         java-version: '11'
         distribution: 'adopt'
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index ce2fe12e..0d92c19c 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -16,7 +16,7 @@ jobs:
         with:
           java-version: '11'
           distribution: 'adopt'
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
       - name: Make site and scala doc
         run: sbt makeSite
       - name: Create Simulator WebApp