diff --git a/CHANGELOG.md b/CHANGELOG.md
index b3d56d2..65a016e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -22,6 +22,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Diagnostics: Refactored code to be more readable and maintainable
 - Diagnostics: Improved config section check
 - Snippets: Optional config sections removed from snippets
+- Snippets: `specFormat` property added to `devproxy-plugin-open-api-spec-generator-config`
 
 ### Fixed:
 
diff --git a/src/snippets.json b/src/snippets.json
index 4ceec76..f55e677 100644
--- a/src/snippets.json
+++ b/src/snippets.json
@@ -791,7 +791,8 @@
     "body": [
       "\"openApiSpecGeneratorPlugin\": {",
       "\t\"includeOptionsRequests\": false,",
-      "\t\"specVersion\": \"v3_0\"",
+      "\t\"specVersion\": \"v3_0\",",
+      "\t\"specFormat\": \"Json\"",
       "}"
     ],
     "description": "OpenApiSpecGeneratorPlugin config section"