diff --git a/metadata/io.kubenav.kubenav.yml b/metadata/io.kubenav.kubenav.yml
index 4e07532bc0..ba1e56b111 100644
--- a/metadata/io.kubenav.kubenav.yml
+++ b/metadata/io.kubenav.kubenav.yml
@@ -498,7 +498,7 @@ Builds:
       - macos
       - windows
     prebuild:
-      - flutterVerion=$(sed -n -E "s/.*flutter-version:\s'([0-9.])'/\1/p" .github/workflows/continuous-delivery.yaml
+      - flutterVerion=$(sed -n -E "s/.*flutter-version:\s'([0-9.]+)'/\1/p" .github/workflows/continuous-delivery.yaml
         | head -n 1)
       - pushd $$flutter$$
       - git checkout -f $flutterVerion