diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 76a9454..c913dd6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,6 +20,7 @@ jobs:
         id: setup-typst
       - name: Run checks
         run: |
-          just install
+          just package local
+          just package preview
           just gallery
           # TODO: run unit tests here
diff --git a/justfile b/justfile
index 63f5015..ab68d0e 100644
--- a/justfile
+++ b/justfile
@@ -8,5 +8,7 @@ install:
 
 gallery:
   #!/usr/bin/env bash
-  for f in "{{gallery_dir}}"/*.typ; do typst c "$f" --format png "${f/.typ}-{n}.png" --root ./; done
-  exit 1
+  set -euxo pipefail
+  for f in "{{gallery_dir}}"/*.typ; do
+    typst c "$f" --format png "${f/.typ}-{n}.png" --root ./
+  done