diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 16eded7..57e8098 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -94,6 +94,10 @@ jobs:
           distribution: temurin
           java-version: '21'
 
+      # The gates build this repo through ./gradlew. Without this the wrapper
+      # downloads Gradle on every run.
+      - uses: gradle/actions/setup-gradle@v6
+
       - name: Text gate
         run: "$PROTOWIRE_DIR/scripts/cross_text_check.sh"
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 6e56573..aed5df1 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,8 +1,9 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.8.2-bin.zip
-networkTimeout=10000
-retries=0
+distributionUrl=https\://github.com/gradle/gradle-distributions/releases/download/v9.8.2/gradle-9.8.2-bin.zip
+distributionSha256Sum=21bd5da2de49b642904077f38c0efdc7778e92b3ed0889392dca61b97e389607
+networkTimeout=60000
+retries=3
 retryBackOffMs=500
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists