diff --git a/configure.ac b/configure.ac
index 417d66357..116e9c612 100644
--- a/configure.ac
+++ b/configure.ac
@@ -165,7 +165,7 @@ fi
 AC_PROG_OCAML
 AC_ASSERT_PROG([ocamlc], [$OCAMLC])
 # check the version of OCaml
-AC_ASSERT_OCAML_MIN_VERSION([4.02.1])
+AC_ASSERT_OCAML_MIN_VERSION([4.02.3])
 AC_ASSERT_PROG([ocamlopt], [$OCAMLOPT])
 AC_ASSERT_PROG([ocamlbuild], [$OCAMLBUILD])
 AC_PROG_FINDLIB