diff --git a/src/MsgPack/MsgPack.csproj b/src/MsgPack/MsgPack.csproj
index d503aedb1..510e8686c 100644
--- a/src/MsgPack/MsgPack.csproj
+++ b/src/MsgPack/MsgPack.csproj
@@ -58,9 +58,9 @@
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
     <PackageReference Include="NETStandard.Library" Version="2.0.0" />
     <PackageReference Include="System.CodeDom" Version="4.4.0" />
-    <PackageReference Include="System.Numerics.Vectors" Version="4.3.0" />
-    <PackageReference Include="System.Reflection.Emit" Version="4.3.0" />
-    <PackageReference Include="System.Reflection.Emit.LightWeight" Version="4.3.0" />
+    <PackageReference Include="System.Numerics.Vectors" Version="4.4.0" />
+    <PackageReference Include="System.Reflection.Emit" Version="4.6.0" />
+    <PackageReference Include="System.Reflection.Emit.LightWeight" Version="4.6.0" />
   </ItemGroup>
   <ItemGroup Condition="'$(IsXamarin)' == 'true'">
     <PackageReference Include="NETStandard.Library" Version="2.0.0" />