diff --git a/schemas/v3.1/schema.json b/schemas/v3.1/schema.json
index edd6d573fb..08802b16aa 100644
--- a/schemas/v3.1/schema.json
+++ b/schemas/v3.1/schema.json
@@ -6,7 +6,7 @@
   "properties": {
     "openapi": {
       "type": "string",
-      "pattern": "^3\\.1\\.\\d+(-.+)?$"
+      "pattern": "^3.1.\d+(-.+)?$"
     },
     "info": {
       "$ref": "#/$defs/info"