diff --git a/src/Honeycomb.OpenTelemetry/Honeycomb.OpenTelemetry.csproj b/src/Honeycomb.OpenTelemetry/Honeycomb.OpenTelemetry.csproj
index 0447d57..b69db0a 100644
--- a/src/Honeycomb.OpenTelemetry/Honeycomb.OpenTelemetry.csproj
+++ b/src/Honeycomb.OpenTelemetry/Honeycomb.OpenTelemetry.csproj
@@ -27,11 +27,11 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="OpenTelemetry" Version="1.2.0-rc1 " />
-    <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.2.0-rc1" />
-    <PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.0.0-rc8" />
-    <PackageReference Include="OpenTelemetry.Instrumentation.SqlClient" Version="1.0.0-rc8" />
-    <PackageReference Include="OpenTelemetry.Instrumentation.StackExchangeRedis" Version="1.0.0-rc8" />
+    <PackageReference Include="OpenTelemetry" Version="1.2.0-rc4 " />
+    <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.2.0-rc4" />
+    <PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.0.0-rc9.1" />
+    <PackageReference Include="OpenTelemetry.Instrumentation.SqlClient" Version="1.0.0-rc9.1" />
+    <PackageReference Include="OpenTelemetry.Instrumentation.StackExchangeRedis" Version="1.0.0-rc9.1" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="All" />
     <PackageReference Include="Microsoft.Extensions.Configuration.CommandLine" Version="6.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="6.0.0" />
@@ -46,14 +46,14 @@
     </When>
     <Otherwise>
       <ItemGroup>
-        <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.0.0-rc8" />
-        <PackageReference Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.0.0-rc8" />
+        <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.0.0-rc9.1" />
+        <PackageReference Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.0.0-rc9.1" />
       </ItemGroup>
     </Otherwise>
   </Choose>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.1' ">
-    <PackageReference Include="OpenTelemetry.Instrumentation.GrpcNetClient" Version="1.0.0-rc8" />
+    <PackageReference Include="OpenTelemetry.Instrumentation.GrpcNetClient" Version="1.0.0-rc9.1" />
   </ItemGroup>
 
   <ItemGroup>