diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.1.1.2
+
+* Relax upper bound on `base`: 4.20 -> 4.21
+
 ## 0.1.1.0
 
 * Drop dependencies on `attoparsec` and `string-interpolate`
diff --git a/anitomata-aseprite.cabal b/anitomata-aseprite.cabal
--- a/anitomata-aseprite.cabal
+++ b/anitomata-aseprite.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           anitomata-aseprite
-version:        0.1.1.1
+version:        0.1.1.2
 synopsis:       Code gen for Aseprite animations
 description:    @anitomata@ Haskell code generation for Aseprite animations.
 category:       Game
diff --git a/package.yaml b/package.yaml
--- a/package.yaml
+++ b/package.yaml
@@ -1,5 +1,5 @@
 name: anitomata-aseprite
-version: 0.1.1.1
+version: 0.1.1.2
 homepage: https://sr.ht/~jship/anitomata/
 git: https://git.sr.ht/~jship/anitomata/
 license: MIT