diff --git a/cardano-simple/CHANGELOG b/cardano-simple/CHANGELOG
new file mode 100644
index 0000000..2f34923
--- /dev/null
+++ b/cardano-simple/CHANGELOG
@@ -0,0 +1,10 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to the [Haskell Package Versioning Policy](https://pvp.haskell.org/).
+
+## [0.0.1] - 2023-02-07
+
+Factored cardano-simple out of psm
diff --git a/CHANGELOG b/psm/CHANGELOG
similarity index 95%
rename from CHANGELOG
rename to psm/CHANGELOG
index 76e8eb3..173e3e5 100644
--- a/CHANGELOG
+++ b/psm/CHANGELOG
@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to the [Haskell Package Versioning Policy](https://pvp.haskell.org/).
 
+## [0.5.2.1] - 2023-02-07
+
+### Removed
+
+Factor out hidden `Plutus.Model.Fork` modules into `cardano-simple`
+
 ## [0.5.2.0] - 2023-01-02
 
 
diff --git a/psm/plutus-simple-model.cabal b/psm/plutus-simple-model.cabal
index 8a7cd57..69d78e0 100644
--- a/psm/plutus-simple-model.cabal
+++ b/psm/plutus-simple-model.cabal
@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               plutus-simple-model
-version:            0.5.2.0
+version:            0.5.2.1
 synopsis:           Unit test library for plutus
 description:        Unit test library for plutus with resource estimation
 homepage:           https://github.com/mlabs-haskell/plutus-simple-model