diff --git a/pkgs/applications/science/electronics/ngspice/default.nix b/pkgs/applications/science/electronics/ngspice/default.nix
index 579492248ea..493af97d156 100644
--- a/pkgs/applications/science/electronics/ngspice/default.nix
+++ b/pkgs/applications/science/electronics/ngspice/default.nix
@@ -1,11 +1,11 @@
 {stdenv, fetchurl, readline, bison, libX11, libICE, libXaw, libXext}:
 
 stdenv.mkDerivation {
-  name = "ng-spice-rework-24";
+  name = "ng-spice-rework-25";
 
   src = fetchurl {
-    url = "mirror://sourceforge/ngspice/ngspice-24.tar.gz";
-    sha256 = "0rgh75hbqrsljz767whbj65wi6369yc286v0qk8jxnv2da7p9ll6";
+    url = "mirror://sourceforge/ngspice/ngspice-25.tar.gz";
+    sha256 = "03hlxwvl2j1wlb5yg4swvmph9gja37c2gqvwvzv6z16vg2wvn06h";
   };
 
   buildInputs = [ readline libX11 bison libICE libXaw libXext ];