diff --git a/.gitea/workflows/check.yml b/.gitea/workflows/check.yml
index c666327..0423026 100644
--- a/.gitea/workflows/check.yml
+++ b/.gitea/workflows/check.yml
@@ -4,7 +4,8 @@ on: [push, pull_request]
 jobs:
   check:
     runs-on: ces-control
-    timeout-minutes: 10
+    # Cold toolchain installation can exceed ten minutes on the existing runner.
+    timeout-minutes: 30
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5