diff --git a/CHANGELOG.md b/CHANGELOG.md
index 30dd1aa..6c7f46c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,9 +1,14 @@
+## 2.2.0+1
+
+* Relax `crypto` version dependency constraint from `^2.1.5` to `^2.1.4`.
+
 ## 2.2.0
 
 * Added `applicationDefaultCredentialsAuthenticator` function for creating an
   authenticator using [Application Default Credentials](https://cloud.google.com/docs/authentication/production).
 * Less latency by using the `tcpNoDelay` option for sockets.
 * Support grpc-web in a non-web setting.
+
 ## 2.1.3
 
 * Fix bug in grpc-web when receiving an empty trailer.
diff --git a/pubspec.yaml b/pubspec.yaml
index 623f25a..eb8bb18 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,7 +1,7 @@
 name: grpc
 description: Dart implementation of gRPC, a high performance, open-source universal RPC framework.
 
-version: 2.2.0
+version: 2.2.0+1
 
 author: Dart Team <misc@dartlang.org>
 homepage: https://github.com/dart-lang/grpc-dart
@@ -11,7 +11,7 @@ environment:
 
 dependencies:
   async: ^2.2.0
-  crypto: ^2.1.5
+  crypto: ^2.1.4
   googleapis_auth: ^0.2.7
   meta: ^1.1.6
   http: ^0.12.0