diff --git a/pkgs/development/libraries/py3c/default.nix b/pkgs/development/libraries/py3c/default.nix
new file mode 100644
index 000000000000..2a89161ef389
--- /dev/null
+++ b/pkgs/development/libraries/py3c/default.nix
@@ -0,0 +1,31 @@
+{ lib, stdenv, fetchFromGitHub, python2, python3 }:
+
+stdenv.mkDerivation rec {
+  pname = "py3c";
+  version = "1.3.1";
+
+  src = fetchFromGitHub {
+    owner = "encukou";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "04i2z7hrig78clc59q3i1z2hh24g7z1bfvxznlzxv00d4s57nhpi";
+  };
+
+  makeFlags = [
+    "prefix=${placeholder "out"}"
+  ];
+
+  doCheck = true;
+
+  checkInputs = [
+    python2
+    python3
+  ];
+
+  meta = with lib; {
+    homepage = "https://github.com/encukou/py3c";
+    description = "Python 2/3 compatibility layer for C extensions";
+    license = licenses.mit;
+    maintainers = with maintainers; [ ajs124 ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 2da323ce7088..1456529d7b2b 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -12028,6 +12028,8 @@ in
   pypy27Packages = pypy27.pkgs;
   pypy3Packages = pypy3.pkgs;
 
+  py3c = callPackage ../development/libraries/py3c { };
+
   pythonManylinuxPackages = callPackage ./../development/interpreters/python/manylinux { };
 
   update-python-libraries = callPackage ../development/interpreters/python/update-python-libraries { };