diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index 51b14b6..b9e3aa9 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - name: Install dependencies (apk)
-        run: apk add --no-cache git python3 py3-pip
+        run: apk add --no-cache git python3 py3-pip zlib
 
       - name: Install dependencies (py)
         run: pip3 install pillow