diff --git a/crates/ruma-signatures/CHANGELOG.md b/crates/ruma-signatures/CHANGELOG.md
index df06a116..e41b6064 100644
--- a/crates/ruma-signatures/CHANGELOG.md
+++ b/crates/ruma-signatures/CHANGELOG.md
@@ -3,6 +3,7 @@
 Breaking changes:
 
 * Merge `SplitError` into `Error`
+* Update some function signatures to use the new `Base64` type
 
 Improvements: