diff --git a/pkgs/development/ocaml-modules/ocb/default.nix b/pkgs/development/ocaml-modules/ocb/default.nix
new file mode 100644
index 000000000000..9b9f245e9d05
--- /dev/null
+++ b/pkgs/development/ocaml-modules/ocb/default.nix
@@ -0,0 +1,26 @@
+{
+  lib,
+  fetchFromGitHub,
+  buildDunePackage,
+}:
+
+buildDunePackage (finalAttrs: {
+  pname = "ocb";
+  version = "0.2";
+
+  src = fetchFromGitHub {
+    owner = "ocamlpro";
+    repo = "ocb";
+    tag = finalAttrs.version;
+    hash = "sha256-LbAeeaPsOGd1w0I5YFrgRyFKKwIkYjMaRo2G1JUEado=";
+  };
+
+  meta = {
+    homepage = "https://github.com/ocamlpro/ocb";
+    description = "OCaml library for SVG badge generation";
+    changelog = "https://raw.githubusercontent.com/ocamlpro/ocb/${finalAttrs.version}/CHANGES.md";
+    license = lib.licenses.isc;
+    maintainers = with lib.maintainers; [ redianthus ];
+    mainProgram = "ocb";
+  };
+})
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 1a280baba93d..f109780364a2 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -1486,6 +1486,8 @@ let
 
         ocamlscript = callPackage ../development/tools/ocaml/ocamlscript { };
 
+        ocb = callPackage ../development/ocaml-modules/ocb { };
+
         ocb-stubblr = callPackage ../development/ocaml-modules/ocb-stubblr { };
 
         ocf = callPackage ../development/ocaml-modules/ocf { };