diff --git a/.gitea/workflows/ci.yaml b/.gitea/workflows/ci.yaml
index a25235b..6322158 100644
--- a/.gitea/workflows/ci.yaml
+++ b/.gitea/workflows/ci.yaml
@@ -28,6 +28,17 @@ env:
   REGISTRY: gitea.oci-oci.duckdns.org
   IMAGE_NS: gitea_admin
   UV_VERSION: "0.11.29"
+  # Every uv job logged this, five times a run:
+  #
+  #   warning: Failed to hardlink files; falling back to full copy. This may lead to
+  #   degraded performance.
+  #
+  # The uv cache (the runner's cache volume) and the target venv are on different
+  # filesystems here, so hardlinking cannot work and uv copies 86 packages anyway. Saying
+  # `copy` up front does not make it slower — it is already copying — it just stops the
+  # warning from being noise that trains people to skim CI logs. The Dockerfiles set the
+  # same variable for the same reason.
+  UV_LINK_MODE: copy
   GITLEAKS_VERSION: "8.30.1"
   GITLEAKS_SHA256: "e4a487ee7ccd7d3a7f7ec08657610aa3606637dab924210b3aee62570fb4b080"