diff --git a/pkgs/development/ocaml-modules/z3/default.nix b/pkgs/development/ocaml-modules/z3/default.nix
index 39f893d41876..036c528de572 100644
--- a/pkgs/development/ocaml-modules/z3/default.nix
+++ b/pkgs/development/ocaml-modules/z3/default.nix
@@ -7,7 +7,7 @@
   z3,
 }:
 
-if lib.versionOlder ocaml.version "4.07" then
+if lib.versionOlder ocaml.version "4.08" then
   throw "z3 is not available for OCaml ${ocaml.version}"
 else