diff --git a/pkgs/tools/graphics/ploticus/default.nix b/pkgs/tools/graphics/ploticus/default.nix
index f173f2f1e140..857a86d57af1 100644
--- a/pkgs/tools/graphics/ploticus/default.nix
+++ b/pkgs/tools/graphics/ploticus/default.nix
@@ -1,12 +1,12 @@
 {stdenv, fetchurl, zlib, libX11, libpng}:
 
 stdenv.mkDerivation {
-  name = "ploticus-2.40";
+  name = "ploticus-2.41";
 
   builder = ./builder.sh;
   src = fetchurl {
-    url = mirror://sourceforge/ploticus/pl240src.tar.gz;
-    sha256 = "1gwppsmfxajrpidjrplkhvq2yy35r9hmigpwjmjqv4r7dj7cnrw8";
+    url = mirror://sourceforge/ploticus/ploticus/2.41/pl241src.tar.gz;
+    sha256 = "ecccb6afcf0008d5b31da2e9e74c448564101eb7b9bbde758a3dca1f2dc8c580";
   };
 
   buildInputs = [zlib libX11 libpng];
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 25eeacd14a08..3e0b1aa3904d 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1246,7 +1246,9 @@ let
 
   plan9port = callPackage ../tools/system/plan9port { };
 
-  ploticus = callPackage ../tools/graphics/ploticus { };
+  ploticus = callPackage ../tools/graphics/ploticus {
+    libpng = libpng12;
+  };
 
   plotutils = callPackage ../tools/graphics/plotutils { };