diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index b3c489b7c3f3..1107717fef8f 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -13645,7 +13645,7 @@ in
   ffuf = callPackage ../tools/security/ffuf { };
 
   flow = callPackage ../development/tools/analysis/flow {
-    ocamlPackages = ocaml-ng.ocamlPackages_4_09;
+    ocamlPackages = ocaml-ng.ocamlPackages_4_10;
     inherit (darwin.apple_sdk.frameworks) CoreServices;
   };