diff --git a/CHANGES b/CHANGES
index 0e0a7bba8..557ec3078 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,13 @@
+## 0.22.0
+
+      * Support rename rule for union body members (#751).
+      * constant: Add support for associated constant expressions (#752).
+      * Fix regression in CamelCase rename rule (should be lowerCamelCase) (#750).
+      * enumeration: simplify standard types in variants (#749).
+      * Avoid generating and writing bindings when called recursively (#747).
+      * Cython: Omit per-variant tags in unions generated for Rust enums (#748).
+      * Update various dependencies.
+
 ## 0.21.0
 
       * Update MSRV to 1.54.0
diff --git a/Cargo.lock b/Cargo.lock
index 8a237f907..2730392ff 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -27,7 +27,7 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
 name = "cbindgen"
-version = "0.21.0"
+version = "0.22.0"
 dependencies = [
  "clap",
  "heck",
diff --git a/Cargo.toml b/Cargo.toml
index 49fb036b5..4d8a7b110 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cbindgen"
-version = "0.21.0"
+version = "0.22.0"
 authors = [
   "Emilio Cobos Álvarez <emilio@crisal.io>",
   "Jeff Muizelaar <jmuizelaar@mozilla.com>",