diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1f51d631..326c2876 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,6 +21,7 @@ jobs:
         with:
           version: nightly
       - run: forge build
+      - run: sudo apt install z3 -y
 
   lint:
     runs-on: ubuntu-latest