diff --git a/Directory.Build.props b/Directory.Build.props
index 059eb893..b1ace32c 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -9,7 +9,7 @@
 
         <WarningLevel>3</WarningLevel>
 
-        <VersionPrefix>0.8.0</VersionPrefix>
+        <VersionPrefix>0.9.0</VersionPrefix>
         <VersionSuffix></VersionSuffix>
         <Version Condition=" '$(VersionSuffix)' != '' ">$(VersionPrefix)-$(VersionSuffix)</Version>
         <Version Condition=" '$(VersionSuffix)' == '' ">$(VersionPrefix)</Version>
diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 68aa33f7..6f1a4095 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,3 +1,9 @@
+#### 0.9.0  - October 28 2021
+* Added Result codec and overload
+* Fix problem decoding null values into Options.
+* Fix parsing of floats for infinities and nan.
+* Fix parsing of Datetime when using newtonsoft.json
+
 #### 0.8.0  - May 17 2020
 * Added System.Text.Json implementation
 * Support for enums and all tuple sizes