diff --git a/CHANGELOG.md b/CHANGELOG.md
index e8fa8251..e4f2fdaa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## <small>3.5.8 (2020-08-13)</small>
+
+* feat: adding a new isFormUrlEncoded method on the operation class ([45537f7](https://github.com/readmeio/oas/commit/45537f7))
+
+
+
 ## <small>3.5.7 (2020-08-13)</small>
 
 * feat: adding some new isMultipart and isJson methods on the operation (#248) ([4dd52b3](https://github.com/readmeio/oas/commit/4dd52b3)), closes [#248](https://github.com/readmeio/oas/issues/248)
diff --git a/lerna.json b/lerna.json
index 1ef46349..ddc529fb 100644
--- a/lerna.json
+++ b/lerna.json
@@ -3,5 +3,5 @@
   "packages": [
     "packages/*"
   ],
-  "version": "3.5.7"
+  "version": "3.5.8"
 }
diff --git a/packages/tooling/package-lock.json b/packages/tooling/package-lock.json
index 0c48008e..785a9b23 100644
--- a/packages/tooling/package-lock.json
+++ b/packages/tooling/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@readme/oas-tooling",
-  "version": "3.5.7",
+  "version": "3.5.8",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/packages/tooling/package.json b/packages/tooling/package.json
index b215f192..fc4d0f52 100644
--- a/packages/tooling/package.json
+++ b/packages/tooling/package.json
@@ -14,7 +14,7 @@
     "oai",
     "oas"
   ],
-  "version": "3.5.7",
+  "version": "3.5.8",
   "repository": {
     "type": "git",
     "url": "git://github.com/readmeio/oas.git",