diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
index 25fba214..698a37bc 100644
--- a/.github/workflows/ci-build.yml
+++ b/.github/workflows/ci-build.yml
@@ -46,7 +46,7 @@ jobs:
           distribution: temurin
 
       - name: "Set up Gradle."
-        uses: gradle/actions/setup-gradle@v3
+        uses: gradle/actions/setup-gradle@v4
 
       - name: "Download TfL Data."
         run: |