diff --git a/pkgs/development/tools/wiggle/default.nix b/pkgs/development/tools/wiggle/default.nix
index df32d68767f..f1edd52eca2 100644
--- a/pkgs/development/tools/wiggle/default.nix
+++ b/pkgs/development/tools/wiggle/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation {
 
-  name = "wiggle-1.1";
+  name = "wiggle-1.2";
 
   src = fetchurl {
-    url = "https://github.com/neilbrown/wiggle/archive/v1.1.tar.gz";
-    sha256 = "0gg1c0zcrd5fgawvjccmdscm3fka8h1qz4v807kvy1b2y1cf9c4w";
+    url = "https://github.com/neilbrown/wiggle/archive/v1.2.tar.gz";
+    sha256 = "1gckj0zv2xznzg7i70p9dfmkhdpdg3953msi4gg5h6mpmmiiiwrw";
   };
 
   buildInputs = [ ncurses groff ];