diff --git a/Source/Codecov.Tool/Codecov.Tool.csproj b/Source/Codecov.Tool/Codecov.Tool.csproj
index 083ecea..18b4d6a 100644
--- a/Source/Codecov.Tool/Codecov.Tool.csproj
+++ b/Source/Codecov.Tool/Codecov.Tool.csproj
@@ -25,6 +25,6 @@
     <ItemGroup>
     <PackageReference Update="CommandLineParser" Version="2.8.0" />
     <PackageReference Update="Glob" Version="1.1.8" />
-    <PackageReference Update="JetBrains.Annotations" Version="2020.3.0" />
+    <PackageReference Update="JetBrains.Annotations" Version="2021.1.0" />
     </ItemGroup>
 </Project>
diff --git a/Source/Codecov/Codecov.csproj b/Source/Codecov/Codecov.csproj
index 631aee3..257e9f0 100644
--- a/Source/Codecov/Codecov.csproj
+++ b/Source/Codecov/Codecov.csproj
@@ -27,7 +27,7 @@
     <ItemGroup>
         <PackageReference Include="CommandLineParser" Version="2.8.0" />
         <PackageReference Include="Glob" Version="1.1.8" />
-        <PackageReference Include="JetBrains.Annotations" Version="2020.3.0" />
+        <PackageReference Include="JetBrains.Annotations" Version="2021.1.0" />
         <PackageReference Include="Serilog" Version="2.10.0" />
         <PackageReference Include="Serilog.Sinks.Console" Version="3.1.1" />
         <PackageReference Include="Serilog.Sinks.Debug" Version="2.0.0" PrivateAssets="all" />