diff --git a/src/dnsimple-test/dnsimple-test.csproj b/src/dnsimple-test/dnsimple-test.csproj
index e496f0c..b1a5350 100644
--- a/src/dnsimple-test/dnsimple-test.csproj
+++ b/src/dnsimple-test/dnsimple-test.csproj
@@ -602,7 +602,7 @@
     </PackageReference>
     <PackageReference Include="NUnit3TestAdapter" Version="5.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
-    <PackageReference Include="RestSharp" Version="106.15.0" />
+    <PackageReference Include="RestSharp" Version="111.4.1" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/dnsimple/dnsimple.csproj b/src/dnsimple/dnsimple.csproj
index da8bcba..2eb8047 100644
--- a/src/dnsimple/dnsimple.csproj
+++ b/src/dnsimple/dnsimple.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFramework>netstandard2.1</TargetFramework>
@@ -31,7 +31,7 @@
 
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-    <PackageReference Include="RestSharp" Version="106.15.0" />
+    <PackageReference Include="RestSharp" Version="111.4.1" />
   </ItemGroup>
 
 </Project>