diff --git a/extensions/Worker.Extensions.CosmosDB/release_notes.md b/extensions/Worker.Extensions.CosmosDB/release_notes.md
index 1f7c96d5..f9b91fce 100644
--- a/extensions/Worker.Extensions.CosmosDB/release_notes.md
+++ b/extensions/Worker.Extensions.CosmosDB/release_notes.md
@@ -4,6 +4,6 @@
 - My change description (#PR/#issue)
 -->
 
-### Microsoft.Azure.Functions.Worker.Extensions.CosmosDB <version>
+### Microsoft.Azure.Functions.Worker.Extensions.CosmosDB 4.12.0
 
-- <entry>
\ No newline at end of file
+- Updated `Microsoft.Azure.WebJobs.Extensions.CosmosDB` reference to 4.9.0
diff --git a/extensions/Worker.Extensions.CosmosDB/src/Worker.Extensions.CosmosDB.csproj b/extensions/Worker.Extensions.CosmosDB/src/Worker.Extensions.CosmosDB.csproj
index 782383eb..b5cb4b71 100644
--- a/extensions/Worker.Extensions.CosmosDB/src/Worker.Extensions.CosmosDB.csproj
+++ b/extensions/Worker.Extensions.CosmosDB/src/Worker.Extensions.CosmosDB.csproj
@@ -6,7 +6,7 @@
     <Description>Azure Cosmos DB extensions for .NET isolated functions</Description>
 
     <!--Version information-->
-    <VersionPrefix>4.11.0</VersionPrefix>
+    <VersionPrefix>4.12.0</VersionPrefix>
 
     <!--Temporarily opting out of documentation. Pending documentation-->
     <GenerateDocumentationFile>false</GenerateDocumentationFile>
@@ -31,7 +31,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <WebJobsExtension Include="Microsoft.Azure.WebJobs.Extensions.CosmosDB" Version="4.8.0" />
+    <WebJobsExtension Include="Microsoft.Azure.WebJobs.Extensions.CosmosDB" Version="4.9.0" />
   </ItemGroup>
 
 </Project>
\ No newline at end of file