diff --git a/ascii-superset.cabal b/ascii-superset.cabal
--- a/ascii-superset.cabal
+++ b/ascii-superset.cabal
@@ -1,7 +1,7 @@
 cabal-version: 3.0
 
 name: ascii-superset
-version: 1.2.0.1
+version: 1.2.1.0
 synopsis: Representing ASCII with refined supersets
 category: Data, Text
 
diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -1,4 +1,4 @@
-### 1.2.0.1 (2023-01-05)
+### 1.2.1.0 (2023-01-05)
 
 Add `instance FromChar CaselessChar`