diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index cb2c8b1..49a9d3d 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -57,6 +57,13 @@ jobs:
       # https://github.com/actions/checkout/releases/tag/v4.3.1
       - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
 
+      # Gradle 7.6.3 cannot run on the runner image's default JDK (now Java 25).
+      # https://github.com/actions/setup-java/releases/tag/v4.9.1
+      - uses: actions/setup-java@cf277c60eb25467037889841efdb72551f06f6c3 # v4.9.1
+        with:
+          distribution: 'temurin'
+          java-version: '17'
+
       # https://github.com/launchdarkly/gh-actions/releases/tag/release-secrets-v1.1.0
       - uses: launchdarkly/gh-actions/actions/release-secrets@dfe04d7415f4bb5f7529c9208abb0a9c13cfaa4e # release-secrets-v1.1.0
         name: Get secrets