diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 28033d6b..c4fdb823 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,5 +1,5 @@
 {
-  "packages/snap": "0.4.0",
-  "packages/types": "0.4.0",
+  "packages/snap": "0.5.0",
+  "packages/types": "0.5.0",
   "packages/adapter": "0.4.1"
 }
\ No newline at end of file
diff --git a/packages/snap/CHANGELOG.md b/packages/snap/CHANGELOG.md
index 18f0941a..1986f06a 100644
--- a/packages/snap/CHANGELOG.md
+++ b/packages/snap/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.5.0](https://github.com/ChainSafe/metamask-snap-polkadot/compare/polkadot-snap-v0.4.0...polkadot-snap-v0.5.0) (2022-10-05)
+
+
+### Features
+
+* implemented `polkadot` and `westmint` network ([#155](https://github.com/ChainSafe/metamask-snap-polkadot/issues/155)) ([78cb267](https://github.com/ChainSafe/metamask-snap-polkadot/commit/78cb26742cf4fa7b4ffc88a36e6718c47e2d3e73))
+
 ## [0.4.0](https://github.com/ChainSafe/metamask-snap-polkadot/compare/polkadot-snap-v0.3.0...polkadot-snap-v0.4.0) (2022-08-18)
 
 
diff --git a/packages/snap/package.json b/packages/snap/package.json
index 423e81d9..60c29982 100644
--- a/packages/snap/package.json
+++ b/packages/snap/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@chainsafe/polkadot-snap",
-  "version": "0.4.0",
+  "version": "0.5.0",
   "description": "Metamask snap to interact with Polkadot dapps.",
   "main": "build/index.js",
   "scripts": {
diff --git a/packages/snap/snap.manifest.json b/packages/snap/snap.manifest.json
index 4510d18f..7086bd68 100644
--- a/packages/snap/snap.manifest.json
+++ b/packages/snap/snap.manifest.json
@@ -1,5 +1,5 @@
 {
-  "version": "0.4.0",
+  "version": "0.5.0",
   "proposedName": "Polkadot snap",
   "description": "The Polkadot snap.",
   "repository": {
diff --git a/packages/types/CHANGELOG.md b/packages/types/CHANGELOG.md
index 3ac234c9..78e5904c 100644
--- a/packages/types/CHANGELOG.md
+++ b/packages/types/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.5.0](https://github.com/ChainSafe/metamask-snap-polkadot/compare/metamask-polkadot-types-v0.4.0...metamask-polkadot-types-v0.5.0) (2022-10-05)
+
+
+### Features
+
+* implemented `polkadot` and `westmint` network ([#155](https://github.com/ChainSafe/metamask-snap-polkadot/issues/155)) ([78cb267](https://github.com/ChainSafe/metamask-snap-polkadot/commit/78cb26742cf4fa7b4ffc88a36e6718c47e2d3e73))
+
 ## [0.4.0](https://github.com/ChainSafe/metamask-snap-polkadot/compare/metamask-polkadot-types-v0.3.0...metamask-polkadot-types-v0.4.0) (2022-08-18)
 
 
diff --git a/packages/types/package.json b/packages/types/package.json
index 4ac322f8..d48a2d97 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@chainsafe/metamask-polkadot-types",
-  "version": "0.4.0",
+  "version": "0.5.0",
   "types": "./index.d.ts",
   "author": "ChainSafe <info@chainsafe.io>",
   "license": "Apache-2.0",