diff --git a/pkgs/by-name/fa/fantomas/package.nix b/pkgs/by-name/fa/fantomas/package.nix
index c89ee6684845..804e93aa5806 100644
--- a/pkgs/by-name/fa/fantomas/package.nix
+++ b/pkgs/by-name/fa/fantomas/package.nix
@@ -2,9 +2,9 @@
 
 buildDotnetGlobalTool {
   pname = "fantomas";
-  version = "6.3.8";
+  version = "6.3.9";
 
-  nugetSha256 = "sha256-dNbs5+gzjjMw2fl0ZRB9qzj9d+rz1o3Wi/qUvBDoz2E=";
+  nugetSha256 = "sha256-XRPC5cXMoTJLLHe3f5A3+uXakbL+D7DlX0sA52KMZKw=";
 
   meta = with lib; {
     description = "F# source code formatter";