diff --git a/exercises/concept/improved-password-checker/ImprovedPasswordChecker.fsproj b/exercises/concept/improved-password-checker/ImprovedPasswordChecker.fsproj
index 2ef9cc891..afa9eb1df 100644
--- a/exercises/concept/improved-password-checker/ImprovedPasswordChecker.fsproj
+++ b/exercises/concept/improved-password-checker/ImprovedPasswordChecker.fsproj
@@ -14,7 +14,6 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="13.0.4" />
     <PackageReference Include="xunit.v3" Version="3.2.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5" />
     <PackageReference Include="FsUnit.xUnit" Version="7.1.1" />