diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 719b2aed..f4fc646b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -31,7 +31,7 @@ jobs:
         with:
           fetch-depth: 0 # disable shallow checkouts
       - name: Set up Java
-        uses: actions/setup-java@0ab4596768b603586c0de567f2430c30f5b0d2b0 # v3.13.0
+        uses: actions/setup-java@387ac29b308b003ca37ba93a6cab5eb57c8f5f93 # v4.0.0
         with:
           java-version: ${{ matrix.java }}
           distribution: 'temurin'
diff --git a/.github/workflows/site.yml b/.github/workflows/site.yml
index adae307f..9d7b0884 100644
--- a/.github/workflows/site.yml
+++ b/.github/workflows/site.yml
@@ -32,7 +32,7 @@ jobs:
         with:
           fetch-depth: 0 # disable shallow checkouts
       - name: Set up Java
-        uses: actions/setup-java@0ab4596768b603586c0de567f2430c30f5b0d2b0 # v3.13.0
+        uses: actions/setup-java@387ac29b308b003ca37ba93a6cab5eb57c8f5f93 # v4.0.0
         with:
           java-version: 21
           distribution: 'temurin'