diff --git a/src/Exercism.TestRunner.FSharp/Exercism.TestRunner.FSharp.fsproj b/src/Exercism.TestRunner.FSharp/Exercism.TestRunner.FSharp.fsproj
index 5ab531a..5e2cc3a 100644
--- a/src/Exercism.TestRunner.FSharp/Exercism.TestRunner.FSharp.fsproj
+++ b/src/Exercism.TestRunner.FSharp/Exercism.TestRunner.FSharp.fsproj
@@ -20,7 +20,7 @@
 
   <ItemGroup>
     <PackageReference Include="CommandLineParser" Version="2.9.1" />
-    <PackageReference Include="Fantomas.Core" Version="5.1.5" />
+    <PackageReference Include="Fantomas.Core" Version="6.1.1" />
     <PackageReference Include="Fantomas.FCS" Version="5.1.5" />
     <PackageReference Include="Humanizer.Core" Version="2.14.1" />
     <PackageReference Include="FsUnit.xUnit" Version="5.3.0" />