diff --git a/packages/protons/CHANGELOG.md b/packages/protons/CHANGELOG.md
index d450e1d..c93055b 100644
--- a/packages/protons/CHANGELOG.md
+++ b/packages/protons/CHANGELOG.md
@@ -1,3 +1,10 @@
+## [protons-v4.0.2](https://github.com/ipfs/protons/compare/protons-v4.0.1...protons-v4.0.2) (2022-08-04)
+
+
+### Bug Fixes
+
+* single instance codec ([#55](https://github.com/ipfs/protons/issues/55)) ([66d9387](https://github.com/ipfs/protons/commit/66d9387dc32c79651873b8436391ae30125ec201)), closes [#51](https://github.com/ipfs/protons/issues/51)
+
 ## [protons-v4.0.1](https://github.com/ipfs/protons/compare/protons-v4.0.0...protons-v4.0.1) (2022-07-30)
 
 
diff --git a/packages/protons/package.json b/packages/protons/package.json
index 9349742..ecb5aae 100644
--- a/packages/protons/package.json
+++ b/packages/protons/package.json
@@ -1,6 +1,6 @@
 {
   "name": "protons",
-  "version": "4.0.1",
+  "version": "4.0.2",
   "description": "Protobuf to ts transpiler",
   "license": "Apache-2.0 OR MIT",
   "homepage": "https://github.com/ipfs/protons/tree/master/packages/protons#readme",