diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5638c953..99924e5d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,41 @@
 
 All notable changes to this project will be documented in this file, in reverse chronological order by release.
 
-## 1.0.0 - TBD
+## 1.0.1 - 2015-05-26
+
+### Added
+
+- [#10](https://github.com/zendframework/zend-diactoros/pull/10) adds
+  `Zend\Diactoros\RelativeStream`, which will return stream contents relative to
+  a given offset (i.e., a subset of the stream).  `AbstractSerializer` was
+  updated to create a `RelativeStream` when creating the body of a message,
+  which will prevent duplication of the stream in-memory.
+- [#21](https://github.com/zendframework/zend-diactoros/pull/21) adds a
+  `.gitattributes` file that excludes directories and files not needed for
+  production; this will further minify the package for production use cases.
+
+### Deprecated
+
+- Nothing.
+
+### Removed
+
+- Nothing.
+
+### Fixed
+
+- [#9](https://github.com/zendframework/zend-diactoros/pull/9) ensures that
+  attributes are initialized to an empty array, ensuring that attempts to
+  retrieve single attributes when none are defined will not produce errors.
+- [#14](https://github.com/zendframework/zend-diactoros/pull/14) updates
+  `Zend\Diactoros\Request` to use a `php://temp` stream by default instead of
+  `php://memory`, to ensure requests do not create an out-of-memory condition.
+- [#15](https://github.com/zendframework/zend-diactoros/pull/15) updates
+  `Zend\Diactoros\Stream` to ensure that write operations trigger an exception
+  if the stream is not writeable. Additionally, it adds more robust logic for
+  determining if a stream is writeable.
+
+## 1.0.0 - 2015-05-21
 
 First stable release, and first release as `zend-diactoros`.
 
diff --git a/README.md b/README.md
index c83033d4..0c7fd08f 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ Develop:
 [![Build status][Develop image]][Develop]
 [![Coverage Status][Develop coverage image]][Develop coverage]
 
-> Diactoros: an epithet for Hermes, meaning literally, "the messenger".
+> Diactoros: an epithet for Hermes, meaning literally, "the messenger."
 
 This package supercedes and replaces [phly/http](https://github.com/phly/http).