diff --git a/.github/workflows/default.yml b/.github/workflows/default.yml
index d329aa8..3bc2eed 100644
--- a/.github/workflows/default.yml
+++ b/.github/workflows/default.yml
@@ -30,9 +30,9 @@ jobs:
           distribution: 'temurin'
           java-version: 21
 
-      - uses: gradle/actions/setup-gradle@v3
+      - uses: gradle/actions/setup-gradle@v4
 
-      - uses: gradle/actions/wrapper-validation@v3
+      - uses: gradle/actions/wrapper-validation@v4
 
       - run: ./gradlew projectCodestyle
 
diff --git a/.github/workflows/dependencies.yml b/.github/workflows/dependencies.yml
index 4477bf1..55044e2 100644
--- a/.github/workflows/dependencies.yml
+++ b/.github/workflows/dependencies.yml
@@ -31,7 +31,7 @@ jobs:
           distribution: 'temurin'
           java-version: 21
 
-      - uses: gradle/actions/setup-gradle@v3
+      - uses: gradle/actions/setup-gradle@v4
 
       - run: ./gradlew assembleRelease -m
 
diff --git a/.github/workflows/publish_release.yml b/.github/workflows/publish_release.yml
index fb77a6a..4e75483 100644
--- a/.github/workflows/publish_release.yml
+++ b/.github/workflows/publish_release.yml
@@ -26,7 +26,7 @@ jobs:
           distribution: 'temurin'
           java-version: 21
 
-      - uses: gradle/actions/setup-gradle@v3
+      - uses: gradle/actions/setup-gradle@v4
 
       - run: ./gradlew assemble
 
diff --git a/.github/workflows/run_diffuse.yml b/.github/workflows/run_diffuse.yml
index 6a24b6e..544e121 100644
--- a/.github/workflows/run_diffuse.yml
+++ b/.github/workflows/run_diffuse.yml
@@ -30,7 +30,7 @@ jobs:
           distribution: 'temurin'
           java-version: 21
 
-      - uses: gradle/actions/setup-gradle@v3
+      - uses: gradle/actions/setup-gradle@v4
 
       - run: ./gradlew assembleRelease
 
diff --git a/.github/workflows/update_tzdb.yml b/.github/workflows/update_tzdb.yml
index 6c92812..4306003 100644
--- a/.github/workflows/update_tzdb.yml
+++ b/.github/workflows/update_tzdb.yml
@@ -40,7 +40,7 @@ jobs:
             echo 'version-changed=true' >> $GITHUB_OUTPUT 
           fi
 
-      - uses: gradle/actions/setup-gradle@v3
+      - uses: gradle/actions/setup-gradle@v4
         if: steps.should-run.outputs.version-changed
 
       - run: ./gradlew generateLazyZoneRules -Plazythreetenbp.tzdbVersion=${{ steps.latest-tzdb-version.outputs.tzdb-version }}