diff --git a/pkgs/development/libraries/fltk/default.nix b/pkgs/development/libraries/fltk/default.nix
index 270936a91b9f..60773d29d3d6 100644
--- a/pkgs/development/libraries/fltk/default.nix
+++ b/pkgs/development/libraries/fltk/default.nix
@@ -4,13 +4,13 @@
 }:
 
 let
-  version = "1.3.4";
+  version = "1.3.5";
 in stdenv.mkDerivation {
   name = "fltk-${version}";
 
   src = fetchurl {
     url = "http://fltk.org/pub/fltk/${version}/fltk-${version}-source.tar.gz";
-    sha256 = "13y57pnayrkfzm8azdfvysm8b77ysac8zhhdsh8kxmb0x3203ay8";
+    sha256 = "00jp24z1818k9n6nn6lx7qflqf2k13g4kxr0p8v1d37kanhb4ac7";
   };
 
   patches = stdenv.lib.optionals stdenv.isDarwin [ ./nsosv.patch ];