diff --git a/.github/workflows/crystal.yml b/.github/workflows/crystal.yml
index 9c4bc4d..4b3f01c 100644
--- a/.github/workflows/crystal.yml
+++ b/.github/workflows/crystal.yml
@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Install libncurses5
-        run: sudo apt-get install libncurses5-dev
+        run: apt-get install libncurses5-dev
 
       - name: Install dependencies
         run: shards install