diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8efd05b81a..08279b5bc3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,14 @@ and this project adheres to
 
 ## [Unreleased]
 
+### Fixed
+
+- @cosmjs/stargate: Fix `protoDecimalToJson` for values with a 0 fractional
+  part, such as `0.000000000000000000`, `1.000000000000000000` or
+  `42.000000000000000000` ([#1326]).
+
+[#1326] : https://github.com/cosmos/cosmjs/pull/1326
+
 ### Deprecated
 
 - @cosmjs/stargate: Deprecate `QueryClient.queryUnverified` in favour of newly