diff --git a/pkgs/development/python-modules/pydexcom/default.nix b/pkgs/development/python-modules/pydexcom/default.nix
new file mode 100644
index 000000000000..f83d3cbf1102
--- /dev/null
+++ b/pkgs/development/python-modules/pydexcom/default.nix
@@ -0,0 +1,30 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, requests
+}:
+
+buildPythonPackage rec {
+  pname = "pydexcom";
+  version = "0.2.0";
+
+  src = fetchFromGitHub {
+    owner = "gagebenne";
+    repo = pname;
+    rev = version;
+    sha256 = "19h7r0qbsqd6k6g4nz6z3k9kdmk0sx5zpsrgxwnhsff5fqi0y2ls";
+  };
+
+  propagatedBuildInputs = [ requests ];
+
+  # tests are interacting with the Dexcom API
+  doCheck = false;
+  pythonImportsCheck = [ "pydexcom" ];
+
+  meta = with lib; {
+    description = "Python API to interact with Dexcom Share service";
+    homepage = "https://github.com/gagebenne/pydexcom";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/servers/home-assistant/component-packages.nix b/pkgs/servers/home-assistant/component-packages.nix
index 611bb68aea30..5429fa79925d 100644
--- a/pkgs/servers/home-assistant/component-packages.nix
+++ b/pkgs/servers/home-assistant/component-packages.nix
@@ -165,7 +165,7 @@
     "device_sun_light_trigger" = ps: with ps; [ aiohttp-cors pillow ];
     "device_tracker" = ps: with ps; [ ];
     "devolo_home_control" = ps: with ps; [ aiohttp-cors zeroconf ]; # missing inputs: devolo-home-control-api
-    "dexcom" = ps: with ps; [ ]; # missing inputs: pydexcom
+    "dexcom" = ps: with ps; [ pydexcom ];
     "dht" = ps: with ps; [ ]; # missing inputs: Adafruit-DHT
     "dialogflow" = ps: with ps; [ aiohttp-cors ];
     "digital_ocean" = ps: with ps; [ digital-ocean ];
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 36ab317c27cb..5ae237047c96 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -5157,6 +5157,8 @@ in {
 
   pydenticon = callPackage ../development/python-modules/pydenticon { };
 
+  pydexcom = callPackage ../development/python-modules/pydexcom { };
+
   pydicom = callPackage ../development/python-modules/pydicom { };
 
   pydispatcher = callPackage ../development/python-modules/pydispatcher { };