diff --git a/pkgs/applications/science/math/ginac/default.nix b/pkgs/applications/science/math/ginac/default.nix
index 1956ebdcb0f1..944460de9c75 100644
--- a/pkgs/applications/science/math/ginac/default.nix
+++ b/pkgs/applications/science/math/ginac/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, cln, pkgconfig, readline, gmp, python }:
 
 stdenv.mkDerivation rec {
-  name = "ginac-1.7.2";
+  name = "ginac-1.7.4";
 
   src = fetchurl {
     url    = "${meta.homepage}/${name}.tar.bz2";
-    sha256 = "1dyq47gc97jn1r5sy0klxs5b4lzhckyjqgsvwcs2a9ybqmhmpdr4";
+    sha256 = "1vvqv73yk9klbq0mz239zzw77rlp72qcvzci4j1v6rafvji1616n";
   };
 
   propagatedBuildInputs = [ cln ];