diff --git a/BitPayUnitTest/BitPayUnitTest.csproj b/BitPayUnitTest/BitPayUnitTest.csproj
index 609a955..7019dee 100644
--- a/BitPayUnitTest/BitPayUnitTest.csproj
+++ b/BitPayUnitTest/BitPayUnitTest.csproj
@@ -9,7 +9,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
-    <PackageReference Include="Moq" Version="4.18.4" />
+    <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="xunit" Version="2.5.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.0.2">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>