diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 8bcaadf..297ff0e 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -3,6 +3,7 @@ on:
   push:
     branches:
       - master
+      - cloudrun_fix_required
 jobs:
   publish:
     runs-on: ubuntu-latest
diff --git a/app.json b/app.json
index 5ef7a2f..21b865e 100644
--- a/app.json
+++ b/app.json
@@ -5,11 +5,13 @@
   "env": {
     "ZS_URL_PREFIX": {
       "description": "[OPTIONAL] if set, requires that the URL of files included in the zip start with this prefix. Useful to preventing others from using your server to serve their files.",
-      "required": false
+      "required": false,
+      "value": ""
     },
     "ZS_COMPRESSION": {
       "description": "[OPTIONAL] if set to 'DEFLATE', will enable zip compression on output files. WARNING - enabling compression uses CPU, and will greatly reduce throughput of server",
-      "required": false
+      "required": false,
+      "value": ""
     }
   },
   "keywords": ["zip", "gzip", "streaming", "golang"],