diff --git a/src/OpenApiSourceGenerator/OpenApiSourceGenerator.csproj b/src/OpenApiSourceGenerator/OpenApiSourceGenerator.csproj
index c64a922..8d870df 100644
--- a/src/OpenApiSourceGenerator/OpenApiSourceGenerator.csproj
+++ b/src/OpenApiSourceGenerator/OpenApiSourceGenerator.csproj
@@ -56,7 +56,7 @@
         </PackageReference>
         <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.3.0"
             PrivateAssets="all" />
-        <PackageReference Include="Microsoft.OpenApi" Version="3.4.0" PrivateAssets="all"
+        <PackageReference Include="Microsoft.OpenApi" Version="3.5.1" PrivateAssets="all"
             GeneratePathProperty="true" />
         <PackageReference Include="Microsoft.OpenApi.YamlReader" Version="3.3.1" PrivateAssets="all" GeneratePathProperty="true" />
     </ItemGroup>