diff --git a/pkgs/development/python-modules/trustme/default.nix b/pkgs/development/python-modules/trustme/default.nix
new file mode 100644
index 000000000000..0c3ccb5258e7
--- /dev/null
+++ b/pkgs/development/python-modules/trustme/default.nix
@@ -0,0 +1,26 @@
+{ lib, buildPythonPackage, fetchPypi, cryptography, pytest, pyopenssl, service-identity }:
+
+buildPythonPackage rec {
+  pname = "trustme";
+  version = "0.4.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1215vr6l6c0fzsv5gyay82fxd4fidvq2rd94wvjrljs6h2wajazk";
+  };
+
+  checkInputs = [ pytest pyopenssl service-identity ];
+  checkPhase = ''
+    py.test
+  '';
+  propagatedBuildInputs = [
+    cryptography
+  ];
+
+  meta = {
+    description = "#1 quality TLS certs while you wait, for the discerning tester";
+    homepage = https://github.com/python-trio/trustme;
+    license = with lib.licenses; [ mit asl20 ];
+    maintainers = with lib.maintainers; [ catern ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 05d956de7887..7a7616e7fff2 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -438,6 +438,8 @@ in {
     hdf5 = pkgs.hdf5.override { zlib = pkgs.zlib; };
   };
 
+  trustme = callPackage ../development/python-modules/trustme {};
+
   tokenserver = callPackage ../development/python-modules/tokenserver {};
 
   toml = callPackage ../development/python-modules/toml { };