diff --git a/Percy.Test/Percy.Test.csproj b/Percy.Test/Percy.Test.csproj
index 81a365a..1e33f69 100644
--- a/Percy.Test/Percy.Test.csproj
+++ b/Percy.Test/Percy.Test.csproj
@@ -18,7 +18,7 @@
     <PackageReference Include="Moq" Version="4.18.4" />
     <PackageReference Include="RichardSzalay.MockHttp" Version="6.0.0" />
     <PackageReference Include="Faker.Net" Version="2.0.154" />
-    <PackageReference Include="NSubstitute" Version="5.0.0" />
+    <PackageReference Include="NSubstitute" Version="6.1.0" />
     <PackageReference Include="xunit" Version="2.4.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
diff --git a/Percy.Test/packages.lock.json b/Percy.Test/packages.lock.json
index 62dcc26..f47c597 100644
--- a/Percy.Test/packages.lock.json
+++ b/Percy.Test/packages.lock.json
@@ -55,11 +55,12 @@
       },
       "NSubstitute": {
         "type": "Direct",
-        "requested": "[5.0.0, )",
-        "resolved": "5.0.0",
-        "contentHash": "CWGy4oXvcJcZzL7m5Rr/eMSejFXMDq1RRMlsbL6eltS3AuN/d8GH3ZzUcuStQcCSlcx+hpsgTxdnb3lhozWG6w==",
+        "requested": "[6.1.0, )",
+        "resolved": "6.1.0",
+        "contentHash": "4RKj/p9l0rylPcH+8EXMVbC4yNyfadUdzBFxog2caVThkMQpDw8Q+468mkFMjEmsFt+jXJSdtTwgVNkWzyCsHw==",
         "dependencies": {
-          "Castle.Core": "5.0.0"
+          "Castle.Core": "5.1.1",
+          "System.Threading.Tasks.Extensions": "4.5.4"
         }
       },
       "RichardSzalay.MockHttp": {
@@ -177,6 +178,11 @@
           "System.Text.Encodings.Web": "7.0.0"
         }
       },
+      "System.Threading.Tasks.Extensions": {
+        "type": "Transitive",
+        "resolved": "4.5.4",
+        "contentHash": "zteT+G8xuGu6mS+mzDzYXbzS7rd3K6Fjb9RiZlYlJPam2/hU7JCBZBVEcywNuR+oZ1ncTvc/cq0faRr3P01OVg=="
+      },
       "xunit.abstractions": {
         "type": "Transitive",
         "resolved": "2.0.3",