diff --git a/pkgs/development/compilers/ocaml/4.10.nix b/pkgs/development/compilers/ocaml/4.10.nix
new file mode 100644
index 000000000000..6f78ae05e02e
--- /dev/null
+++ b/pkgs/development/compilers/ocaml/4.10.nix
@@ -0,0 +1,6 @@
+import ./generic.nix {
+  major_version = "4";
+  minor_version = "10";
+  patch_version = "0+beta1";
+  sha256 = "18jrgww98v1famb2x5jhbsnm4ngph2rvq0z4cxpqxfn06yb53jyf";
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 4d956c494c05..a1d2e8eb3b51 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -1232,6 +1232,8 @@ in let inherit (pkgs) callPackage; in rec
 
   ocamlPackages_4_09 = mkOcamlPackages (callPackage ../development/compilers/ocaml/4.09.nix { });
 
+  ocamlPackages_4_10 = mkOcamlPackages (callPackage ../development/compilers/ocaml/4.10.nix { });
+
   ocamlPackages_latest = ocamlPackages_4_09;
 
   ocamlPackages = ocamlPackages_4_07;