diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..4780ac4
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,3 @@
+.forgejo/
+action.yml
+main.sh
diff --git a/action.yml b/action.yml
index 0839877..6d9d9bd 100644
--- a/action.yml
+++ b/action.yml
@@ -9,7 +9,7 @@ runs:
   using: composite
   steps:
   - name: Load the database from cache
-    uses: https://git.dzuchun.ing/actions/cache-load@main
+    uses: https://git.dzuchun.ing/actions/cache-load@v1
     with:
       path: ${{ forgejo.action_path }}/database
       key: cargo-audit-database
@@ -18,7 +18,7 @@ runs:
     env:
       DATABASE_PATH: ${{ forgejo.action_path }}/database
   - name: Save the database to cache
-    uses: https://git.dzuchun.ing/actions/cache-save@main
+    uses: https://git.dzuchun.ing/actions/cache-save@v1
     with:
       path: ${{ forgejo.action_path }}/database
       key: cargo-audit-database
diff --git a/main.sh b/main.sh
index dd2bc18..2a212c6 100755
--- a/main.sh
+++ b/main.sh
@@ -1,5 +1,7 @@
 #!/bin/sh
 
+set -eu
+
 LOCK=$(printenv INPUT_LOCK-PATH)
 
 ARGS=''