diff --git a/pkgs/applications/backup/unifi-protect-backup/default.nix b/pkgs/applications/backup/unifi-protect-backup/default.nix
index 36f554761f08..c0c39fc38543 100644
--- a/pkgs/applications/backup/unifi-protect-backup/default.nix
+++ b/pkgs/applications/backup/unifi-protect-backup/default.nix
@@ -5,7 +5,7 @@
 
 python3.pkgs.buildPythonApplication rec {
   pname = "unifi-protect-backup";
-  version = "0.8.8";
+  version = "0.9.0";
 
   format = "pyproject";
 
@@ -13,7 +13,7 @@ python3.pkgs.buildPythonApplication rec {
     owner = "ep1cman";
     repo = pname;
     rev = "refs/tags/v${version}";
-    hash = "sha256-Z8qK7LprMyXl5irx9Xrs/RgqvNcFVBqLBSljovr6oiE=";
+    hash = "sha256-yPYzFZ4eI1wvBZgSP4Z90zyS+0vrDtf0uRz60byE5XA=";
   };
 
   pythonRelaxDeps = [
@@ -23,10 +23,6 @@ python3.pkgs.buildPythonApplication rec {
     "pyunifiprotect"
   ];
 
-  pythonRemoveDeps = [
-    "pylint"
-  ];
-
   nativeBuildInputs = with python3.pkgs; [
     poetry-core
     pythonRelaxDepsHook
@@ -36,7 +32,10 @@ python3.pkgs.buildPythonApplication rec {
     aiocron
     aiorun
     aiosqlite
+    apprise
     click
+    expiring-dict
+    python-dateutil
     pyunifiprotect
   ];
 
diff --git a/pkgs/development/python-modules/expiring-dict/default.nix b/pkgs/development/python-modules/expiring-dict/default.nix
new file mode 100644
index 000000000000..cd3d92508848
--- /dev/null
+++ b/pkgs/development/python-modules/expiring-dict/default.nix
@@ -0,0 +1,31 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, sortedcontainers
+}:
+
+buildPythonPackage rec {
+  pname = "expiring-dict";
+  version = "1.1.0";
+  format = "setuptools";
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-PEBK2x5DaUaMt+Ub+8nEcNfi6GPv4qHHXU7XBtDc4aY=";
+  };
+
+  propagatedBuildInputs = [
+    sortedcontainers
+  ];
+
+  pythonImportsCheck = [
+    "expiring_dict"
+  ];
+
+  meta = with lib; {
+    description = "Python dict with TTL support for auto-expiring caches";
+    homepage = "https://github.com/dparker2/py-expiring-dict";
+    license = licenses.mit;
+    maintainers = with maintainers; [ ajs124 ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 2594f7e87272..05b12b59fb48 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -3259,6 +3259,8 @@ self: super: with self; {
 
   expecttest = callPackage ../development/python-modules/expecttest { };
 
+  expiring-dict = callPackage ../development/python-modules/expiring-dict { };
+
   expiringdict = callPackage ../development/python-modules/expiringdict { };
 
   explorerscript = callPackage ../development/python-modules/explorerscript { };