diff --git a/.github/workflows/crystal.yml b/.github/workflows/crystal.yml
index 4b3f01c..5f81083 100644
--- a/.github/workflows/crystal.yml
+++ b/.github/workflows/crystal.yml
@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Install libncurses5
-        run: apt-get install libncurses5-dev
+        run: apt-get update && apt-get install -y libncurses5-dev
 
       - name: Install dependencies
         run: shards install