diff --git a/openapi-diff/src/core/OpenApiDiff.Core/OpenApiDiff.Core.csproj b/openapi-diff/src/core/OpenApiDiff.Core/OpenApiDiff.Core.csproj
index b97a693b..d683facc 100644
--- a/openapi-diff/src/core/OpenApiDiff.Core/OpenApiDiff.Core.csproj
+++ b/openapi-diff/src/core/OpenApiDiff.Core/OpenApiDiff.Core.csproj
@@ -17,9 +17,9 @@
 
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json" Version="9.0.1" />
-    <PackageReference Include="YamlDotNet.Signed" Version="4.2.2" />
     <PackageReference Include="System.Net.Http" Version="4.3.0" />
     <PackageReference Include="System.Reflection.TypeExtensions" Version="4.3.0" />
+    <PackageReference Include="YamlDotNet.Signed" Version="5.0.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/openapi-diff/src/modeler/AutoRest.Swagger/packages.config b/openapi-diff/src/modeler/AutoRest.Swagger/packages.config
index d3673e5e..0635330c 100644
--- a/openapi-diff/src/modeler/AutoRest.Swagger/packages.config
+++ b/openapi-diff/src/modeler/AutoRest.Swagger/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net45" />
-  <package id="YamlDotNet.Signed" version="4.2.2" targetFramework="net45" />
+  <package id="YamlDotNet.Signed" version="5.0.0" targetFramework="net45" />
 </packages>
\ No newline at end of file