diff --git a/pkgs/development/compilers/ocaml/5.1.nix b/pkgs/development/compilers/ocaml/5.1.nix
index e11887809d4e..9947eadb4963 100644
--- a/pkgs/development/compilers/ocaml/5.1.nix
+++ b/pkgs/development/compilers/ocaml/5.1.nix
@@ -1,9 +1,6 @@
 import ./generic.nix {
   major_version = "5";
   minor_version = "1";
-  patch_version = "0-rc3";
-  src = fetchTarball {
-    url = "https://caml.inria.fr/pub/distrib/ocaml-5.1/ocaml-5.1.0~rc3.tar.xz";
-    sha256 = "sha256:0cbvdcsq1qh70mm116dcgk6y7d4g4nrypzq20k7i6ww7am1563d3";
-  };
+  patch_version = "0";
+  sha256 = "sha256-bOjbOTqvwmTlr3McaPvrIJIKtq6E1b+TURllt0IzUas=";
 }
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 4bd589ec7826..696143c8ab27 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -1935,7 +1935,7 @@ in let inherit (pkgs) callPackage; in rec
 
   ocamlPackages_5_1 = mkOcamlPackages (callPackage ../development/compilers/ocaml/5.1.nix { });
 
-  ocamlPackages_latest = ocamlPackages_5_0;
+  ocamlPackages_latest = ocamlPackages_5_1;
 
   ocamlPackages = ocamlPackages_4_14;