diff --git a/tools/update_version.py b/tools/update_version.py
index e18ab0d..e685822 100755
--- a/tools/update_version.py
+++ b/tools/update_version.py
@@ -20,7 +20,7 @@ if __name__ == "__main__":
         src_version = open("AppImageBuilder.yml").readlines()
         with open(f"AppImageBuilder{version}.yml","w") as new_version:
             for line in src_version:
-                cp_line = line.replace("version: _devel_", f"version: {version}")
+                cp_line = line.replace("version: _devel_", f'version: "{version}"')
                 new_version.write(f"{cp_line}")