diff --git a/pkgs/development/tools/misc/gnum4/default.nix b/pkgs/development/tools/misc/gnum4/default.nix
index df417c3e55e8..47d8b51b82b6 100644
--- a/pkgs/development/tools/misc/gnum4/default.nix
+++ b/pkgs/development/tools/misc/gnum4/default.nix
@@ -1,11 +1,11 @@
 {stdenv, fetchurl}:
 
 stdenv.mkDerivation {
-  name = "gnum4-1.4.15";
+  name = "gnum4-1.4.16";
 
   src = fetchurl {
-    url = mirror://gnu/m4/m4-1.4.15.tar.bz2;
-    sha256 = "1ygzshj4h6l6wh52vjqczkyahmv67r3yzi1m6nkh94qgndffmbqa";
+    url = mirror://gnu/m4/m4-1.4.16.tar.bz2;
+    sha256 = "035r7ma272j2cwni2961jp22k6bn3n9xwn3b3qbcn2yrvlghql22";
   };
 
   doCheck = !stdenv.isDarwin;