diff --git a/SynthEHRTests/SynthEHRTests.csproj b/SynthEHRTests/SynthEHRTests.csproj
index c1ded02..d29d38c 100644
--- a/SynthEHRTests/SynthEHRTests.csproj
+++ b/SynthEHRTests/SynthEHRTests.csproj
@@ -13,7 +13,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
-    <PackageReference Include="NUnit" Version="4.3.0" />
+    <PackageReference Include="NUnit" Version="4.3.1" />
     <PackageReference Include="NUnit.Analyzers" Version="4.5.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>