diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index def4536..3593bcd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
         uses: crystal-lang/install-crystal@v1
       - name: Run tests
         run: |
-          apt-get update && apt-get install golang-chroma -y
+          sudo apt-get update && sudo apt-get install golang-chroma -y
           shards install
           crystal tool format --check
           crystal spec -v