diff --git a/pkgs/development/compilers/ocaml/5.0.nix b/pkgs/development/compilers/ocaml/5.0.nix
index a36b3e31a427..f469be56445b 100644
--- a/pkgs/development/compilers/ocaml/5.0.nix
+++ b/pkgs/development/compilers/ocaml/5.0.nix
@@ -1,9 +1,9 @@
 import ./generic.nix {
   major_version = "5";
   minor_version = "0";
-  patch_version = "0-beta1";
+  patch_version = "0-beta2";
   src = fetchTarball {
-    url = "https://caml.inria.fr/pub/distrib/ocaml-5.0/ocaml-5.0.0~beta1.tar.xz";
-    sha256 = "sha256:1kwb53ra5qbwiiyrx5da7l5mqkjf0fr3rqgkrm3wr83l25scimj4";
+    url = "https://caml.inria.fr/pub/distrib/ocaml-5.0/ocaml-5.0.0~beta2.tar.xz";
+    sha256 = "sha256:1r76a3wadidca9306wkkcxdh5l0rk93pc6xmbs46cc1jfm6pgwas";
   };
 }