diff --git a/BadDicom/BadDicom.csproj b/BadDicom/BadDicom.csproj
index 1144f08..a58c015 100644
--- a/BadDicom/BadDicom.csproj
+++ b/BadDicom/BadDicom.csproj
@@ -33,7 +33,7 @@
   <ItemGroup>
     <PackageReference Include="CommandLineParser" Version="2.9.1" />
     <PackageReference Include="HIC.DicomTypeTranslation" Version="4.0.3" />
-    <PackageReference Include="NUnit.Analyzers" Version="3.10.0">
+    <PackageReference Include="NUnit.Analyzers" Version="4.0.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
diff --git a/BadMedicine.Dicom.Tests/BadMedicine.Dicom.Tests.csproj b/BadMedicine.Dicom.Tests/BadMedicine.Dicom.Tests.csproj
index a0e6993..255e9ca 100644
--- a/BadMedicine.Dicom.Tests/BadMedicine.Dicom.Tests.csproj
+++ b/BadMedicine.Dicom.Tests/BadMedicine.Dicom.Tests.csproj
@@ -16,7 +16,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
     <PackageReference Include="NUnit" Version="4.0.1" />
-    <PackageReference Include="NUnit.Analyzers" Version="3.10.0">
+    <PackageReference Include="NUnit.Analyzers" Version="4.0.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
diff --git a/BadMedicine.Dicom/BadMedicine.Dicom.csproj b/BadMedicine.Dicom/BadMedicine.Dicom.csproj
index 3ceffc9..fad9253 100644
--- a/BadMedicine.Dicom/BadMedicine.Dicom.csproj
+++ b/BadMedicine.Dicom/BadMedicine.Dicom.csproj
@@ -41,7 +41,7 @@
 
   <ItemGroup>
     <PackageReference Include="HIC.BadMedicine" Version="1.1.2" />
-    <PackageReference Include="NUnit.Analyzers" Version="3.10.0">
+    <PackageReference Include="NUnit.Analyzers" Version="4.0.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>