diff --git a/pkgs/development/python-modules/slowapi/default.nix b/pkgs/development/python-modules/slowapi/default.nix
index a1e54a6c5f93..9ae293e455c7 100644
--- a/pkgs/development/python-modules/slowapi/default.nix
+++ b/pkgs/development/python-modules/slowapi/default.nix
@@ -2,7 +2,6 @@
 , buildPythonPackage
 , fastapi
 , fetchFromGitHub
-, fetchpatch
 , limits
 , mock
 , hiro
@@ -15,7 +14,7 @@
 
 buildPythonPackage rec {
   pname = "slowapi";
-  version = "0.1.4";
+  version = "0.1.5";
   format = "pyproject";
   disabled = pythonOlder "3.6";
 
@@ -23,7 +22,7 @@ buildPythonPackage rec {
     owner = "laurentS";
     repo = pname;
     rev = "v${version}";
-    sha256 = "0bnnzgv2wy145sdab54hljwv1b5029ndrr0y9rc2q0mraz8lf8lm";
+    sha256 = "1wjnlhjfgil86h6i5yij723ncg18rqdprs1q6i68w4msaspwpxg9";
   };
 
   nativeBuildInputs = [
@@ -49,15 +48,6 @@ buildPythonPackage rec {
     "test_endpoint_response_param_invalid"
   ];
 
-  patches = [
-    # Switch to poetry-core, https://github.com/laurentS/slowapi/pull/54
-    (fetchpatch {
-      name = "switch-to-poetry-core.patch";
-      url = "https://github.com/laurentS/slowapi/commit/fe165f2d479f4f8e4b7dd9cd88ec0ae847b490c5.patch";
-      sha256 = "16vjxdjjiyg8zjrgfyg9q2ym2lmnms2zy5d2cg3ccg51cfl715fi";
-    })
-  ];
-
   pythonImportsCheck = [ "slowapi" ];
 
   meta = with lib; {