diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 2763a501ce4b..17e4dacaebf7 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -19151,6 +19151,7 @@ with pkgs;
 
   flow = callPackage ../development/tools/analysis/flow {
     inherit (darwin.apple_sdk.frameworks) CoreServices;
+    ocamlPackages = ocaml-ng.ocamlPackages_4_14;
   };
 
   fly = callPackage ../development/tools/continuous-integration/fly { };