diff --git a/packages/@jsii/Directory.Build.targets b/packages/@jsii/Directory.Build.targets
index 53aced21ba..9302e0cb62 100644
--- a/packages/@jsii/Directory.Build.targets
+++ b/packages/@jsii/Directory.Build.targets
@@ -11,7 +11,7 @@
     <PackageReference Update="Microsoft.CodeQuality.Analyzers" Version="3.3.2" />
 
     <PackageReference Update="Microsoft.NET.Test.Sdk" Version="17.7.2" />
-    <PackageReference Update="NSubstitute" Version="5.0.0" />
+    <PackageReference Update="NSubstitute" Version="5.1.0" />
     <PackageReference Update="xunit" Version="2.5.0" />
     <PackageReference Update="xunit.runner.visualstudio" Version="2.5.0" />
     <PackageReference Update="XunitXml.TestLogger" Version="3.1.11" />