diff --git a/ci/build.py b/ci/build.py
index f34834d..91c41b4 100644
--- a/ci/build.py
+++ b/ci/build.py
@@ -61,6 +61,11 @@ packages = ["hello-world", "geesefs", "xonsh"]
 #     packages += ["google-antigravity", "google-antigravity-no-fhs"]
 if ARCH == "s390x-linux":
     packages += ["attic-client"]
+# gitea-local-fork: only defined for x86_64-linux and aarch64-linux (cgo+sqlite
+# and pnpm don't cross-compile cleanly — see flake.nix). Slow build: Go 1.26.3
+# compiles from source (~5-8 min cold) on the first push after a rev bump.
+if ARCH in ("x86_64-linux", "aarch64-linux"):
+    packages += ["gitea-local-fork"]
 
 print("Building packages...")
 for pkg in packages: