diff --git a/pkgs/development/compilers/ocaml/4.10.nix b/pkgs/development/compilers/ocaml/4.10.nix
index 9c8a84f21125..046ea84a0d8a 100644
--- a/pkgs/development/compilers/ocaml/4.10.nix
+++ b/pkgs/development/compilers/ocaml/4.10.nix
@@ -1,6 +1,6 @@
 import ./generic.nix {
   major_version = "4";
   minor_version = "10";
-  patch_version = "0+beta2";
-  sha256 = "106y4jarwib6xxy0vhd7766mxhnlr1zq05jchisklyrgjly0g3ry";
+  patch_version = "0+rc1";
+  sha256 = "1nzmn9wszixsyzz4bhpwqw8dx0m1iy83xmanp4g9f5dfywgcss2c";
 }