diff --git a/pkgs/development/ocaml-modules/ocamlformat/generic.nix b/pkgs/development/ocaml-modules/ocamlformat/generic.nix
index 215c0268562b..f724531ca12e 100644
--- a/pkgs/development/ocaml-modules/ocamlformat/generic.nix
+++ b/pkgs/development/ocaml-modules/ocamlformat/generic.nix
@@ -23,6 +23,7 @@ rec {
       "0.24.1" = "sha256-AjQl6YGPgOpQU3sjcaSnZsFJqZV9BYB+iKAE0tX0Qc4=";
       "0.25.1" = "sha256-3I8qMwyjkws2yssmI7s2Dti99uSorNKT29niJBpv0z0=";
       "0.26.0" = "sha256-AxSUq3cM7xCo9qocvrVmDkbDqmwM1FexEP7IWadeh30=";
+      "0.26.1" = "sha256-2gBuQn8VuexhL7gI1EZZm9m3w+4lq+s9VVdHpw10xtc=";
     }."${version}";
   };
 
diff --git a/pkgs/development/ocaml-modules/ocamlformat/ocamlformat.nix b/pkgs/development/ocaml-modules/ocamlformat/ocamlformat.nix
index a2456dbef3b9..8dfc6838613b 100644
--- a/pkgs/development/ocaml-modules/ocamlformat/ocamlformat.nix
+++ b/pkgs/development/ocaml-modules/ocamlformat/ocamlformat.nix
@@ -5,7 +5,7 @@
 , re
 , ocamlformat-lib
 , menhir
-, version ? "0.26.0"
+, version ? "0.26.1"
 }:
 
 let inherit (callPackage ./generic.nix { inherit version; }) src library_deps;
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 91b3c4469f1a..7c6b50d1213c 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -16857,7 +16857,7 @@ with pkgs;
     ocamlformat # latest version
     ocamlformat_0_19_0 ocamlformat_0_20_0 ocamlformat_0_20_1 ocamlformat_0_21_0
     ocamlformat_0_22_4 ocamlformat_0_23_0 ocamlformat_0_24_1 ocamlformat_0_25_1
-    ocamlformat_0_26_0;
+    ocamlformat_0_26_0 ocamlformat_0_26_1;
 
   orc = callPackage ../development/compilers/orc { };
 
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index e6cbbec2da74..282fd52bb587 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -1264,6 +1264,7 @@ let
     ocamlformat_0_24_1 = ocamlformat.override { version = "0.24.1"; };
     ocamlformat_0_25_1 = ocamlformat.override { version = "0.25.1"; };
     ocamlformat_0_26_0 = ocamlformat.override { version = "0.26.0"; };
+    ocamlformat_0_26_1 = ocamlformat.override { version = "0.26.1"; };
 
     ocamlformat = callPackage ../development/ocaml-modules/ocamlformat/ocamlformat.nix {};