diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index 88f8c199..eee41929 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -9,6 +9,8 @@ name: Build
 on:
   push:
     branches: [StarForth-v4.0.0]   # not master: what reaches it has just passed acceptance (#119)
+    paths-ignore: ['site/**']        # the websites (site/) build nothing here; each run is ~17 min on
+                                     # the server the wikis share (Captain Bob, 2026-11-07)
   workflow_dispatch:
 
 jobs: