diff --git a/pkgs/development/libraries/fplll/default.nix b/pkgs/development/libraries/fplll/default.nix
index aa27ad68e4f2..b00ba47bbe29 100644
--- a/pkgs/development/libraries/fplll/default.nix
+++ b/pkgs/development/libraries/fplll/default.nix
@@ -2,7 +2,6 @@
   lib,
   stdenv,
   fetchFromGitHub,
-  fetchpatch,
   pkg-config,
   gettext,
   autoreconfHook,
@@ -12,22 +11,15 @@
 
 stdenv.mkDerivation rec {
   pname = "fplll";
-  version = "5.4.5";
+  version = "5.5.0";
 
   src = fetchFromGitHub {
     owner = "fplll";
     repo = "fplll";
     rev = version;
-    sha256 = "sha256-taSS7jpVyjVfNe6kSuUDXMD2PgKmtG64V5MjZyQzorI=";
+    sha256 = "sha256-WvjXaCnUMioSmLlWmLV673mhRjnF+8DU9MqgUmBgaFQ=";
   };
 
-  patches = [
-    (fetchpatch {
-      url = "https://github.com/fplll/fplll/commit/317cf70893eebfb2625da12e5377189908c36240.diff";
-      sha256 = "sha256-GbYSolBgv/he4QzjuRFdg93wHJABVHvA9x3PjpJTSRE=";
-    })
-  ];
-
   nativeBuildInputs = [
     pkg-config
     gettext
diff --git a/pkgs/development/python-modules/fpylll/default.nix b/pkgs/development/python-modules/fpylll/default.nix
index b23a1ce96c2f..30c8db5b0ebc 100644
--- a/pkgs/development/python-modules/fpylll/default.nix
+++ b/pkgs/development/python-modules/fpylll/default.nix
@@ -2,7 +2,6 @@
   lib,
   fetchFromGitHub,
   buildPythonPackage,
-  fetchpatch,
 
   # build-system
   cysignals,
@@ -35,17 +34,6 @@ buildPythonPackage rec {
     hash = "sha256-3+DXfCUuHQG+VSzJGEPa8qP6oxC+nngMa44XyFCJAVY=";
   };
 
-  patches = [
-    (fetchpatch {
-      url = "https://github.com/fplll/fpylll/commit/fc432b21fa7e4b9891f5b761b3539989eb958f2b.diff";
-      hash = "sha256-+UidQ5xnlmjeVeVvR4J2zDzAuXP5LUPXCh4RP4o9oGA=";
-    })
-    (fetchpatch {
-      url = "https://github.com/fplll/fpylll/commit/cece9c9b182dc3ac2c9121549cb427ccf4c4a9fe.diff";
-      hash = "sha256-epJb8gorQ7gEEylZ2yZFdM9+EZ4ys9mUUUPiJ2D0VOM=";
-    })
-  ];
-
   nativeBuildInputs = [
     cython
     cysignals