diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index 6ab1e5588..aa2fea9db 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -13,6 +13,7 @@ concurrency:
 
 jobs:
   tests:
+    runs-on: ubuntu-latest
     strategy:
       matrix:
         java-version: [ 11, 17, 18 ] # test LTS versions, and the newest
@@ -20,7 +21,7 @@ jobs:
         kotlin-ir-enabled: [ true, false ]
       # in case one JDK fails, we still want to see results from others
       fail-fast: false
-    runs-on: ubuntu-latest
+    timeout-minutes: 30
     steps:
       - uses: actions/checkout@v2
 
@@ -52,6 +53,7 @@ jobs:
     strategy:
       matrix:
         api-level: [ 28, 29 ]
+    timeout-minutes: 30
     steps:
       - uses: actions/setup-java@v2
         with: