diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index aabb884..9acf031 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -18,10 +18,9 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: '3.13'
-          cache: pip
-          cache-dependency-path: |
-            requirements.txt
-            requirements-dev.txt
+          # act_runner's Actions cache endpoint is unreachable from job
+          # containers and adds a five-minute timeout. Dependency install is
+          # fast enough here without setup-python's cache integration.
 
       - name: Test
         run: |