diff --git a/CHANGELOG.md b/CHANGELOG.md
index c6413a0ec..d31b34642 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,9 @@
 ### Dependencies
 Update dependencies:
 
+#### Build:
+  - [#638](https://github.com/influxdata/influxdb-client-csharp/pull/638): `System.Reactive` to `6.0.1`
+    
 #### Test:
   - [#639](https://github.com/influxdata/influxdb-client-csharp/pull/639): `Microsoft.NET.Test.Sdk` to `17.10.0`
 
diff --git a/Client/Client.csproj b/Client/Client.csproj
index fd4aeeb95..6104d968d 100644
--- a/Client/Client.csproj
+++ b/Client/Client.csproj
@@ -44,7 +44,7 @@
         <PackageReference Include="Microsoft.Net.Http.Headers" Version="2.2.8" />
         <PackageReference Include="System.Collections.Immutable" Version="8.0.0" />
         <PackageReference Include="System.Configuration.ConfigurationManager" Version="8.0.0" />
-        <PackageReference Include="System.Reactive" Version="6.0.0" />
+        <PackageReference Include="System.Reactive" Version="6.0.1" />
     </ItemGroup>
 
 </Project>