diff --git a/src/OpenAPI.WebApiGenerator/OpenAPI.WebApiGenerator.csproj b/src/OpenAPI.WebApiGenerator/OpenAPI.WebApiGenerator.csproj
index 2ab5365..df7c5f1 100644
--- a/src/OpenAPI.WebApiGenerator/OpenAPI.WebApiGenerator.csproj
+++ b/src/OpenAPI.WebApiGenerator/OpenAPI.WebApiGenerator.csproj
@@ -60,7 +60,7 @@
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
         <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.14.0" PrivateAssets="all" />
-        <PackageReference Include="Microsoft.OpenApi" Version="3.3.1" OutputItemType="Analyzer" PrivateAssets="all" GeneratePathProperty="true" />
+        <PackageReference Include="Microsoft.OpenApi" Version="3.5.4" OutputItemType="Analyzer" PrivateAssets="all" GeneratePathProperty="true" />
         <PackageReference Include="Microsoft.OpenApi.YamlReader" Version="3.3.1" OutputItemType="Analyzer" PrivateAssets="all" GeneratePathProperty="true" />
         <PackageReference Include="NodaTime" Version="3.2.1" OutputItemType="Analyzer" PrivateAssets="all" GeneratePathProperty="true" />
         <PackageReference Include="Nullable" Version="1.3.1">
diff --git a/tests/OpenAPI.WebApiGenerator.UnitTests/OpenAPI.WebApiGenerator.UnitTests.csproj b/tests/OpenAPI.WebApiGenerator.UnitTests/OpenAPI.WebApiGenerator.UnitTests.csproj
index 4c72623..be6fde6 100644
--- a/tests/OpenAPI.WebApiGenerator.UnitTests/OpenAPI.WebApiGenerator.UnitTests.csproj
+++ b/tests/OpenAPI.WebApiGenerator.UnitTests/OpenAPI.WebApiGenerator.UnitTests.csproj
@@ -10,7 +10,7 @@
         <PackageReference Include="AwesomeAssertions" Version="9.0.0" />
         <PackageReference Include="Corvus.Json.SourceGeneratorTools" Version="4.4.3" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.2"/>
-        <PackageReference Include="Microsoft.OpenApi" Version="3.3.1" />
+        <PackageReference Include="Microsoft.OpenApi" Version="3.5.4" />
         <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
             <PrivateAssets>all</PrivateAssets>