diff --git a/exercises/bowling/canonical-data.json b/exercises/bowling/canonical-data.json
index 4bad8685a7..8618c7cad5 100644
--- a/exercises/bowling/canonical-data.json
+++ b/exercises/bowling/canonical-data.json
@@ -1,6 +1,6 @@
 {
   "exercise": "bowling",
-  "version": "1",
+  "version": "1.0.0",
   "comments": [
     "Students should implement roll and score methods.",
     "Roll should accept a single integer.",