diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c62cfcf5..af7e7266 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -80,7 +80,7 @@ jobs:
       - name: Install Shards
         run: |
           if ! shards check; then
-            shards install
+            shards install --skip-postinstall --skip-executables
           fi
 
       - name: Run tests