diff --git a/pkgs/misc/screensavers/slock/default.nix b/pkgs/misc/screensavers/slock/default.nix
index 4e419b6cbb6d..2f20943981a5 100644
--- a/pkgs/misc/screensavers/slock/default.nix
+++ b/pkgs/misc/screensavers/slock/default.nix
@@ -1,9 +1,9 @@
 { stdenv, fetchurl, xproto, libX11, libXext, libXrandr }:
 stdenv.mkDerivation rec {
-  name = "slock-1.3";
+  name = "slock-1.4";
   src = fetchurl {
     url = "http://dl.suckless.org/tools/${name}.tar.gz";
-    sha256 = "065xa9hl7zn0lv2f7yjxphqsa35rg6dn9hv10gys0sh4ljpa7d5s";
+    sha256 = "0sif752303dg33f14k6pgwq2jp1hjyhqv6x4sy3sj281qvdljf5m";
   };
   buildInputs = [ xproto libX11 libXext libXrandr ];
   installFlags = "DESTDIR=\${out} PREFIX=";