diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 98f9e0a09efc..481919357c2b 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -13700,7 +13700,7 @@ with pkgs;
   wvkbd = callPackage ../applications/accessibility/wvkbd { };
 
   wyrd = callPackage ../tools/misc/wyrd {
-    ocamlPackages = ocaml-ng.ocamlPackages_4_05;
+    ocamlPackages = ocaml-ng.ocamlPackages_4_14_unsafe_string;
   };
 
   x86info = callPackage ../os-specific/linux/x86info { };