diff --git a/pkgs/applications/science/math/pari/default.nix b/pkgs/applications/science/math/pari/default.nix
index 2480ff3eba81..16c8def750d7 100644
--- a/pkgs/applications/science/math/pari/default.nix
+++ b/pkgs/applications/science/math/pari/default.nix
@@ -15,7 +15,7 @@ assert withThread -> libpthreadstubs != null;
 
 stdenv.mkDerivation rec {
   pname = "pari";
-  version = "2.15.4";
+  version = "2.15.5";
 
   src = fetchurl {
     urls = [
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
       # old versions are at the url below
       "https://pari.math.u-bordeaux.fr/pub/pari/OLD/${lib.versions.majorMinor version}/${pname}-${version}.tar.gz"
     ];
-    hash = "sha256-w1Rb/uDG37QLd/tLurr5mdguYAabn20ovLbPAEyMXA8=";
+    hash = "sha256-Dv3adRXZ2VT2MyTDSzTFYOYPc6gcOSSnEmCizJHV+YE=";
   };
 
   buildInputs = [