diff --git a/CHANGELOG.md b/CHANGELOG.md
index b061654..1d39d2c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,9 @@ SPDX-License-Identifier: MPL-2.0
 
 # Changelog
 
-## Unreleased
+## 1.0.1.0
+
+GHC 8.10 compatibility and a new troubleshooting tool.
 
 ### Added
 
diff --git a/package.yaml b/package.yaml
index 052af60..7526d4a 100644
--- a/package.yaml
+++ b/package.yaml
@@ -3,7 +3,7 @@
 # SPDX-License-Identifier: MPL-2.0
 
 name: with-utf8
-version: 1.0.0.0
+version: 1.0.1.0
 synopsis: Get your IO right on the first try
 description: |
   This minimalistic library helps you navigate the world of text encodings