diff --git a/pkgs/development/python-modules/sentinel/default.nix b/pkgs/development/python-modules/sentinel/default.nix
new file mode 100644
index 00000000000..e8ed047e03f
--- /dev/null
+++ b/pkgs/development/python-modules/sentinel/default.nix
@@ -0,0 +1,17 @@
+{ lib, buildPythonPackage, fetchPypi}:
+
+buildPythonPackage rec {
+  pname = "sentinel";
+  version = "0.1.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "c00ba2a4f240ea4c5414059a696d6e128730272cb2c631b2eff42e86da1f89b3";
+  };
+
+  meta = with lib; {
+    description = "Create sentinel and singleton objects";
+    homepage = "https://github.com/eddieantonio/sentinel";
+    license = licenses.mit;
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 9bef1b87709..aa2355430e7 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -931,6 +931,8 @@ in {
 
   selectors2 = callPackage ../development/python-modules/selectors2 { };
 
+  sentinel = callPackage ../development/python-modules/sentinel { };
+
   sentry-sdk = callPackage ../development/python-modules/sentry-sdk {};
 
   sepaxml = callPackage ../development/python-modules/sepaxml { };