diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 111bea8..bba6258 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -63,11 +63,6 @@ jobs:
 
       - name: Build and push to local registry
         run: |
-          # The act_runner is a systemd service with no login session, so
-          # XDG_RUNTIME_DIR is unset and rootless buildah falls back to the
-          # root-owned /run/containers ("mkdir /run/containers: permission
-          # denied"). Point its runroot at a writable per-job temp dir instead.
-          export XDG_RUNTIME_DIR="$(mktemp -d /tmp/buildah-run.XXXXXX)"
           REGISTRY="localhost:5000"
           REF="${REGISTRY}/${{ env.IMAGE }}:${{ steps.meta.outputs.sha-tag }}"
           buildah build \
diff --git a/Dockerfile b/Dockerfile
index 55d1d88..bd385ab 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@
 # ── build ───────────────────────────────────────────────────────────────────
 # templ output (*_templ.go) and the vendored htmx asset are committed, so a
 # plain `go build` produces a self-contained binary — no codegen, no CDN.
-FROM golang:1.25 AS build
+FROM golang:1.26 AS build
 
 WORKDIR /src