diff --git a/codemagic.yaml b/codemagic.yaml
index 0906810..6c9b267 100644
--- a/codemagic.yaml
+++ b/codemagic.yaml
@@ -32,7 +32,7 @@ workflows:
           BUILD_NUMBER=$(($(google-play get-latest-build-number --package-name "$PACKAGE_NAME" --tracks="$GOOGLE_PLAY_TRACK") + 1))      
           flutter build appbundle --release \
             --build-name=0.9.0 \
-            --build-number=($BUILD_NUMBER+4)
+            --build-number=$PROJECT_BUILD_NUMBER
     artifacts:
       - build/**/outputs/**/*.aab
       - build/**/outputs/**/mapping.txt