diff --git a/.forgejo/workflows/demo.yaml b/.forgejo/workflows/demo.yaml
new file mode 100644
index 0000000..935846f
--- /dev/null
+++ b/.forgejo/workflows/demo.yaml
@@ -0,0 +1,13 @@
+on:
+  push:
+    branches:
+      - actions-test
+jobs:
+  test:
+    runs-on: host
+    steps:
+      - run: git clone --depth=1 https://$FORGEJO_TOKEN@forge.cbaines.net/cbaines/guile-knots.git knots-trunk
+      - run: git clone --depth=1 https://$FORGEJO_TOKEN@forge.cbaines.net/cbaines/guile-knots.git --branch=pages knots-pages
+      - run: |
+          cd knots-trunk
+          guix shell -D -f guix-dev.scm -- documenta api knots
diff --git a/guix-dev.scm b/guix-dev.scm
index f9faef3..62b170c 100644
--- a/guix-dev.scm
+++ b/guix-dev.scm
@@ -43,7 +43,8 @@
   (native-inputs
    (list autoconf
          automake
-         pkg-config))
+         pkg-config
+         guile-documenta))
   (synopsis "TODO")
   (description "TODO")
   (home-page "TODO")