diff --git a/CHANGELOG.md b/CHANGELOG.md
index 65ef4c0e..dce3e3fd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 0.21.1
+
+* [#164](https://github.com/Peternator7/strum/pull/164) Improve compatibility with older versions of `syn`.
+
 ## 0.21.0
 
 * Replace `std::` with `core::` to support no-std projects. [#145](https://github.com/Peternator7/strum/pull/145)
diff --git a/strum_macros/Cargo.toml b/strum_macros/Cargo.toml
index 22791b73..a80e17eb 100644
--- a/strum_macros/Cargo.toml
+++ b/strum_macros/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "strum_macros"
-version = "0.21.0"
+version = "0.21.1"
 edition = "2018"
 authors = ["Peter Glotfelty <peter.glotfelty@microsoft.com>"]
 license = "MIT"