diff --git a/CHANGELOG.md b/CHANGELOG.md
index c727ca3cbd..1285abe92d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,17 @@
+<a name="0.5.1"></a>
+## 0.5.1 (2020-07-21)
+
+
+#### Features
+
+*   make migrations play nice with existing databases. (#721) ([40b97fc3](https://github.com/mozilla-services/syncstorage-rs/commit/40b97fc331d088462e09cbc5949b961ef5b6d4a5), closes [#663](https://github.com/mozilla-services/syncstorage-rs/issues/663))
+
+#### Bug Fixes
+
+*   switch create_session to async (#733) ([7cd04bc9](https://github.com/mozilla-services/syncstorage-rs/commit/7cd04bc9b4245bfb2ffca5e09de99cf3dd5753a8), closes [#731](https://github.com/mozilla-services/syncstorage-rs/issues/731))
+
+
+
 <a name="0.5.0"></a>
 ## 0.5.0 (2020-07-16)
 
diff --git a/Cargo.lock b/Cargo.lock
index 3d8c9d8c64..cd3cb1aa89 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2670,7 +2670,7 @@ dependencies = [
 
 [[package]]
 name = "syncstorage"
-version = "0.5.0"
+version = "0.5.1"
 dependencies = [
  "actix-cors",
  "actix-http",
diff --git a/Cargo.toml b/Cargo.toml
index 6ce56c9ef2..575868464f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "syncstorage"
-version = "0.5.0"
+version = "0.5.1"
 license = "MPL-2.0"
 authors = [
   "Ben Bangert <ben@groovie.org>",