diff --git a/pkgs/development/python-modules/json-merge-patch/default.nix b/pkgs/development/python-modules/json-merge-patch/default.nix
new file mode 100644
index 00000000000..dbcddf73bd2
--- /dev/null
+++ b/pkgs/development/python-modules/json-merge-patch/default.nix
@@ -0,0 +1,26 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+}:
+
+buildPythonPackage rec {
+  pname = "json-merge-patch";
+  version = "0.2";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "09898b6d427c08754e2a97c709cf2dfd7e28bd10c5683a538914975eab778d39";
+  };
+
+  postPatch = ''
+    substituteInPlace json_merge_patch/tests.py \
+      --replace "import lib as merge" "import json_merge_patch.lib as merge"
+  '';
+
+  meta = with lib; {
+    description = "JSON Merge Patch library";
+    homepage = https://github.com/open-contracting/json-merge-patch;
+    license = licenses.bsd3;
+    maintainers = [ maintainers.costrouc ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 7bf1f4b6cda..d28c9544daf 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1976,6 +1976,8 @@ in {
 
   jsonlines = callPackage ../development/python-modules/jsonlines { };
 
+  json-merge-patch = callPackage ../development/python-modules/json-merge-patch { };
+
   jsonrpc-async = callPackage ../development/python-modules/jsonrpc-async { };
 
   jsonrpc-base = callPackage ../development/python-modules/jsonrpc-base { };