diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 982523a..2b38db2 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-	".": "4.2.0"
+	".": "4.2.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d2367b8..485c138 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,13 @@
 <!-- deno-fmt-ignore-file -->
 # CHANGELOG
 
+## [4.2.1](https://github.com/ascorbic/unpic/compare/v4.2.0...v4.2.1) (2025-11-10)
+
+
+### Bug Fixes
+
+* **imgix:** types for combined 'auto' operations ([#178](https://github.com/ascorbic/unpic/issues/178)) ([405bbc4](https://github.com/ascorbic/unpic/commit/405bbc45a00c43c71b892be31faede661969c18e))
+
 ## [4.2.0](https://github.com/ascorbic/unpic/compare/v4.1.3...v4.2.0) (2025-11-08)
 
 
diff --git a/version.txt b/version.txt
index 6aba2b2..fae6e3d 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-4.2.0
+4.2.1