diff --git a/Shadowsocks.Tests/Shadowsocks.Tests.csproj b/Shadowsocks.Tests/Shadowsocks.Tests.csproj
index c29aea92..6e1fb3a5 100644
--- a/Shadowsocks.Tests/Shadowsocks.Tests.csproj
+++ b/Shadowsocks.Tests/Shadowsocks.Tests.csproj
@@ -15,7 +15,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="coverlet.collector" Version="1.3.0">
+    <PackageReference Include="coverlet.collector" Version="3.0.1">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
diff --git a/Shadowsocks.WPF.Tests/Shadowsocks.WPF.Tests.csproj b/Shadowsocks.WPF.Tests/Shadowsocks.WPF.Tests.csproj
index 139251da..2d4d4a4c 100644
--- a/Shadowsocks.WPF.Tests/Shadowsocks.WPF.Tests.csproj
+++ b/Shadowsocks.WPF.Tests/Shadowsocks.WPF.Tests.csproj
@@ -15,7 +15,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="coverlet.collector" Version="1.3.0">
+    <PackageReference Include="coverlet.collector" Version="3.0.1">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
diff --git a/test/ShadowsocksTest.csproj b/test/ShadowsocksTest.csproj
index e5b28391..0358604e 100644
--- a/test/ShadowsocksTest.csproj
+++ b/test/ShadowsocksTest.csproj
@@ -17,7 +17,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.5.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="2.1.0" />
     <PackageReference Include="MSTest.TestFramework" Version="2.1.0" />
-    <PackageReference Include="coverlet.collector" Version="1.2.0">
+    <PackageReference Include="coverlet.collector" Version="3.0.1">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>