diff --git a/CHANGELOG.md b/CHANGELOG.md
index 985af597ba..b4b1f805ac 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,17 @@
+<a name="0.5.5"></a>
+### 0.5.5 (2020-08-06)
+
+#### Chore
+
+*   tag 0.5.4 release (#760) ([655c02e5](https://github.com/mozilla-services/syncstorage-rs/commit/655c02e501637ba9cd3d786d2ddcc6df8fc88204))
+
+
+#### Bug Fixes
+
+*   set config env separator to double underscore. (#763) ([f1d88fea](https://github.com/mozilla-services/syncstorage-rs/commit/f1d88feae60d7fea15b7575ac2108f0f80ff42b4), closes [#762](https://github.com/mozilla-services/syncstorage-rs/issues/762))
+
+
+
 <a name="0.5.4"></a>
 ### 0.5.4 (2020-08-04)
 
diff --git a/Cargo.lock b/Cargo.lock
index 28ebd24496..9b0202a832 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2706,7 +2706,7 @@ dependencies = [
 
 [[package]]
 name = "syncstorage"
-version = "0.5.4"
+version = "0.5.5"
 dependencies = [
  "actix-cors",
  "actix-http",
diff --git a/Cargo.toml b/Cargo.toml
index a45be8584b..8fe30388d3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "syncstorage"
-version = "0.5.4"
+version = "0.5.5"
 license = "MPL-2.0"
 authors = [
   "Ben Bangert <ben@groovie.org>",