diff --git a/pkgs/development/ocaml-modules/topkg/default.nix b/pkgs/development/ocaml-modules/topkg/default.nix
index a62cd9152ae6..0baa38c806ef 100644
--- a/pkgs/development/ocaml-modules/topkg/default.nix
+++ b/pkgs/development/ocaml-modules/topkg/default.nix
@@ -10,8 +10,8 @@ build system is required, the attribute `run` can be used.
 let
   param =
   if lib.versionAtLeast ocaml.version "4.05" then {
-    version = "1.0.5";
-    sha256 = "sha256-RSCCYm5lGsSxYzwrSuTK16vrH7ahMEbmmfle7Fi10cc=";
+    version = "1.0.7";
+    sha256 = "sha256-X8Iq0/OtbRJ8sSRdGFgIgUeNotbeULIxXm3UWGxSvhk=";
   } else if lib.versionAtLeast ocaml.version "4.03" then {
     version = "1.0.3";
     sha256 = "0b77gsz9bqby8v77kfi4lans47x9p2lmzanzwins5r29maphb8y6";