diff --git a/pkgs/development/python-modules/pymsteams/default.nix b/pkgs/development/python-modules/pymsteams/default.nix
new file mode 100644
index 00000000000..a475d074efd
--- /dev/null
+++ b/pkgs/development/python-modules/pymsteams/default.nix
@@ -0,0 +1,30 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, requests
+}:
+
+buildPythonPackage rec {
+  pname = "pymsteams";
+  version = "0.1.14";
+
+  src = fetchFromGitHub {
+    owner = "rveachkc";
+    repo = pname;
+    rev = version;
+    sha256 = "19gnsjzf3kwcwp2rwa30zpqjqgxb9plgcsx7fqbmxnrxgw99fyqx";
+  };
+
+  propagatedBuildInputs = [ requests ];
+
+  # Tests require network access
+  doCheck = false;
+  pythonImportsCheck = [ "pymsteams" ];
+
+  meta = with lib; {
+    description = "Python module to interact with Microsoft Teams";
+    homepage = "https://github.com/rveachkc/pymsteams";
+    license = with licenses; [ asl20 ];
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/servers/home-assistant/component-packages.nix b/pkgs/servers/home-assistant/component-packages.nix
index 2c47d2821ae..89826142cf7 100644
--- a/pkgs/servers/home-assistant/component-packages.nix
+++ b/pkgs/servers/home-assistant/component-packages.nix
@@ -518,7 +518,7 @@
     "mqtt_json" = ps: with ps; [ aiohttp-cors paho-mqtt ];
     "mqtt_room" = ps: with ps; [ aiohttp-cors paho-mqtt ];
     "mqtt_statestream" = ps: with ps; [ aiohttp-cors paho-mqtt ];
-    "msteams" = ps: with ps; [ ]; # missing inputs: pymsteams
+    "msteams" = ps: with ps; [ pymsteams ];
     "mvglive" = ps: with ps; [ PyMVGLive ];
     "mychevy" = ps: with ps; [ ]; # missing inputs: mychevy
     "mycroft" = ps: with ps; [ ]; # missing inputs: mycroftapi
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 9223c4a7657..d70df4c24c7 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -5674,6 +5674,8 @@ in {
 
   pymssql = throw "pymssql has been abandoned upstream."; # added 2020-05-04
 
+  pymsteams = callPackage ../development/python-modules/pymsteams { };
+
   py-multibase = callPackage ../development/python-modules/py-multibase { };
 
   py-multicodec = callPackage ../development/python-modules/py-multicodec { };