diff --git a/CHANGELOG.md b/CHANGELOG.md
index 51841b6..a912e22 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,14 @@
 # Changelog
 
-## Unreleased
+## 0.10.1
+
+### Upgrading from 0.10.0
+
+The build is stricter about locale folders. If it now fails, the error names
+the folder to fix:
+- a folder that isn't a language, such as `templates/` or `shared/`: move it
+  out of the locales folder, or make it hidden (`.templates/`);
+- two folders for one language, such as `en-US` and `en_us`: merge them.
 
 ### Fixed
 - Valid `.ftl` that produced generated code which didn't compile:
diff --git a/Cargo.toml b/Cargo.toml
index 998f0cd..5ea2a6f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "fluent-typed"
-version = "0.10.0"
+version = "0.10.1"
 edition = "2024"
 rust-version = "1.88"
 description = "Type-safe access to Fluent localization messages"