diff --git a/pkgs/development/python-modules/slackclient/default.nix b/pkgs/development/python-modules/slackclient/default.nix
index 4a3c29272186..cf7b161261ed 100644
--- a/pkgs/development/python-modules/slackclient/default.nix
+++ b/pkgs/development/python-modules/slackclient/default.nix
@@ -18,7 +18,7 @@
 }:
 
 buildPythonPackage rec {
-  pname = "python-slackclient";
+  pname = "slackclient";
   version = "2.9.3";
 
   disabled = !isPy3k;
diff --git a/pkgs/servers/home-assistant/component-packages.nix b/pkgs/servers/home-assistant/component-packages.nix
index e46a97b6fa9c..65d304fb90be 100644
--- a/pkgs/servers/home-assistant/component-packages.nix
+++ b/pkgs/servers/home-assistant/component-packages.nix
@@ -90,7 +90,7 @@
     "blueprint" = ps: with ps; [ ];
     "bluesound" = ps: with ps; [ xmltodict ];
     "bluetooth_le_tracker" = ps: with ps; [ ]; # missing inputs: pygatt[GATTTOOL]
-    "bluetooth_tracker" = ps: with ps; [ bt_proximity ]; # missing inputs: pybluez
+    "bluetooth_tracker" = ps: with ps; [ bt_proximity pybluez ];
     "bme280" = ps: with ps; [ smbus-cffi ]; # missing inputs: i2csense
     "bme680" = ps: with ps; [ bme680 smbus-cffi ];
     "bmp280" = ps: with ps; [ ]; # missing inputs: RPi.GPIO adafruit-circuitpython-bmp280
@@ -750,7 +750,7 @@
     "sky_hub" = ps: with ps; [ ]; # missing inputs: pyskyqhub
     "skybeacon" = ps: with ps; [ ]; # missing inputs: pygatt[GATTTOOL]
     "skybell" = ps: with ps; [ skybellpy ];
-    "slack" = ps: with ps; [ ]; # missing inputs: slackclient
+    "slack" = ps: with ps; [ slackclient ];
     "sleepiq" = ps: with ps; [ sleepyq ];
     "slide" = ps: with ps; [ ]; # missing inputs: goslide-api
     "sma" = ps: with ps; [ pysma ];
diff --git a/pkgs/servers/home-assistant/default.nix b/pkgs/servers/home-assistant/default.nix
index 2865cd1fe591..1ebc381c6cc2 100644
--- a/pkgs/servers/home-assistant/default.nix
+++ b/pkgs/servers/home-assistant/default.nix
@@ -354,6 +354,7 @@ in with py.pkgs; buildPythonApplication rec {
     "sleepiq"
     "sma"
     "sensor"
+    "slack"
     "smarttub"
     "smtp"
     "smappee"
diff --git a/pkgs/servers/home-assistant/parse-requirements.py b/pkgs/servers/home-assistant/parse-requirements.py
index eeb117a984e4..b6ff5662f9e5 100755
--- a/pkgs/servers/home-assistant/parse-requirements.py
+++ b/pkgs/servers/home-assistant/parse-requirements.py
@@ -124,7 +124,10 @@ def name_to_attr_path(req: str, packages: Dict[str, Dict[str, str]]) -> Optional
     for name in names:
         # treat "-" and "_" equally
         name = re.sub("[-_]", "[-_]", name)
-        pattern = re.compile("^python\\d\\.\\d-{}-\\d".format(name), re.I)
+        # python(minor).(major)-(pname)-(version or unstable-date)
+        # we need the version qualifier, or we'll have multiple matches
+        # (e.g. pyserial and pyserial-asyncio when looking for pyserial)
+        pattern = re.compile("^python\\d\\.\\d-{}-(?:\\d|unstable-.*)".format(name), re.I)
         for attr_path, package in packages.items():
             if pattern.match(package["name"]):
                 attr_paths.add(attr_path)