diff --git a/pkgs/development/python-modules/cert-chain-resolver/default.nix b/pkgs/development/python-modules/cert-chain-resolver/default.nix
new file mode 100644
index 00000000000..eea43d5c739
--- /dev/null
+++ b/pkgs/development/python-modules/cert-chain-resolver/default.nix
@@ -0,0 +1,36 @@
+{ lib
+, fetchFromGitHub
+, buildPythonPackage
+, pytestCheckHook
+, pytest-mock
+, cryptography
+}:
+
+buildPythonPackage rec {
+  pname = "cert-chain-resolver";
+  version = "1.0.1";
+
+  src = fetchFromGitHub {
+    owner = "rkoopmans";
+    repo = "python-certificate-chain-resolver";
+    rev = version;
+    sha256 = "1kmig4ksbx1wvgcjn4r9jjg2pn1ag5rq871bjwxkp9kslb3x3d1l";
+  };
+
+  propagatedBuildInputs = [ cryptography ];
+
+  checkInputs = [ pytestCheckHook pytest-mock ];
+
+  # online tests
+  disabledTests = [
+    "test_cert_returns_completed_chain"
+    "test_display_flag_is_properly_formatted"
+  ];
+
+  meta = with lib; {
+    homepage = "https://github.com/rkoopmans/python-certificate-chain-resolver";
+    description = "Resolve / obtain the certificate intermediates of a x509 certificate";
+    license = licenses.mit;
+    maintainers = with maintainers; [ veehaitch ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 4fc535f60f4..da60319b15e 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1161,6 +1161,8 @@ in {
 
   cerberus = callPackage ../development/python-modules/cerberus { };
 
+  cert-chain-resolver = callPackage ../development/python-modules/cert-chain-resolver { };
+
   certbot = callPackage ../development/python-modules/certbot { };
 
   certbot-dns-cloudflare = callPackage ../development/python-modules/certbot-dns-cloudflare { };