diff --git a/bundles/build-server/files/crystal b/bundles/build-server/files/crystal
index 117d9ee..de49fb0 100644
--- a/bundles/build-server/files/crystal
+++ b/bundles/build-server/files/crystal
@@ -15,6 +15,7 @@ cd ~
 rm -rf "$REPO_NAME"
 git clone "$CLONE_URL"
 cd "$REPO_NAME"
+shards install
 
 for ARCH in $(jq -r '.architectures | keys[]' <<< $CONFIG)
 do