diff --git a/pkgs/development/ocaml-modules/opam-file-format/default.nix b/pkgs/development/ocaml-modules/opam-file-format/default.nix
index 6e71531f9dc..f91609aa27c 100644
--- a/pkgs/development/ocaml-modules/opam-file-format/default.nix
+++ b/pkgs/development/ocaml-modules/opam-file-format/default.nix
@@ -2,13 +2,13 @@
 
 buildDunePackage rec {
   pname = "opam-file-format";
-  version = "2.1.4";
+  version = "2.1.6";
 
   src = fetchFromGitHub {
     owner = "ocaml";
     repo = pname;
     rev = version;
-    sha256 = "sha256-wnAnvLNOc9FRBdLIFR08OKVaIjSEqJrcCIn4hmtYtjY=";
+    sha256 = "sha256-Ka9pMYB99kM+5X7wf9F13gUrjouZucGevvkSY0TaXGg=";
   };
 
   useDune2 = true;