diff --git a/cardano-api/CHANGELOG.md b/cardano-api/CHANGELOG.md
index 1cf7251e3e..8af17a6156 100644
--- a/cardano-api/CHANGELOG.md
+++ b/cardano-api/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog for cardano-api
 
+## 8.36.0.0
+
+- New `ToJSON` instance for `TxValidationErrorInCardanoMode`
+  (feature)
+  [PR 393](https://github.com/input-output-hk/cardano-api/pull/393)
+
+- Remove `ByronTx` data constructor from `data Tx era`
+  Delete Cardano.Api.Eon.ByronEraOnly module
+  Remove `TxFeeImplicit` and `TxValidityNoUpperBound`
+  (breaking)
+  [PR 382](https://github.com/input-output-hk/cardano-api/pull/382)
+
 ## 8.35.0.0
 
 - Remove `renderEra` Use `docToText . pretty` instead. Rename `prettyTo*` functions to `docTo*`.
diff --git a/cardano-api/cardano-api.cabal b/cardano-api/cardano-api.cabal
index e3125e0a69..ca2e8a867a 100644
--- a/cardano-api/cardano-api.cabal
+++ b/cardano-api/cardano-api.cabal
@@ -1,7 +1,7 @@
 cabal-version: 3.4
 
 name:                   cardano-api
-version:                8.35.0.0
+version:                8.36.0.0
 synopsis:               The cardano api
 description:            The cardano api.
 category:               Cardano,