diff --git a/src/Exercism.TestRunner.FSharp/Exercism.TestRunner.FSharp.fsproj b/src/Exercism.TestRunner.FSharp/Exercism.TestRunner.FSharp.fsproj
index 4a11039..f9f1e2d 100644
--- a/src/Exercism.TestRunner.FSharp/Exercism.TestRunner.FSharp.fsproj
+++ b/src/Exercism.TestRunner.FSharp/Exercism.TestRunner.FSharp.fsproj
@@ -21,7 +21,7 @@
   <ItemGroup>
     <PackageReference Include="CommandLineParser" Version="2.9.1" />
     <PackageReference Include="Fantomas.Core" Version="6.3.4" />
-    <PackageReference Include="Fantomas.FCS" Version="6.3.4" />
+    <PackageReference Include="Fantomas.FCS" Version="6.3.9" />
     <PackageReference Include="Humanizer.Core" Version="2.14.1" />
     <PackageReference Update="FSharp.Core" Version="8.0.200" />
   </ItemGroup>