diff --git a/.github/workflows/deno.yml b/.github/workflows/deno.yml
index e979454..7e45fdf 100644
--- a/.github/workflows/deno.yml
+++ b/.github/workflows/deno.yml
@@ -35,6 +35,9 @@ jobs:
       # - name: Verify formatting
       #   run: deno fmt --check
 
+      - name: Install packages
+        run: deno install
+
       - name: Run build
         run: deno run build