diff --git a/pkgs/applications/window-managers/i3/default.nix b/pkgs/applications/window-managers/i3/default.nix
index 94ac84f838c2..f8e4e16655aa 100644
--- a/pkgs/applications/window-managers/i3/default.nix
+++ b/pkgs/applications/window-managers/i3/default.nix
@@ -1,18 +1,18 @@
-{ fetchurl, stdenv, which, pkgconfig, libxcb, xcbutilkeysyms, xcbutil, bison,
-  xcbutilwm, libstartup_notification, libX11, pcre, libev, yajl, flex,
+{ fetchurl, stdenv, which, pkgconfig, libxcb, xcbutilkeysyms, xcbutil,
+  xcbutilwm, libstartup_notification, libX11, pcre, libev, yajl,
   libXcursor, coreutils, perl }:
 
 stdenv.mkDerivation rec {
   name = "i3-${version}";
-  version = "4.4";
+  version = "4.5";
 
   src = fetchurl {
     url = "http://i3wm.org/downloads/${name}.tar.bz2";
-    sha256 = "06s8gzcxxh06zp1586kp4bxaj8yj5i9jacwg0nizbmmnx94mg1wr";
+    sha256 = "1kiffcbvvjljqchw9ffgy9s8f9z06i8805jvjas58q5i2yxl5kcy";
   };
 
-  buildInputs = [ which pkgconfig libxcb xcbutilkeysyms xcbutil bison xcbutilwm
-    libstartup_notification libX11 pcre libev yajl flex libXcursor perl ];
+  buildInputs = [ which pkgconfig libxcb xcbutilkeysyms xcbutil xcbutilwm
+    libstartup_notification libX11 pcre libev yajl libXcursor perl ];
 
   patchPhase = ''
     sed -i -e '/^# Pango/,/^$/d' common.mk
diff --git a/pkgs/applications/window-managers/i3/status.nix b/pkgs/applications/window-managers/i3/status.nix
index 60db6188f70c..76fc487ba4ab 100644
--- a/pkgs/applications/window-managers/i3/status.nix
+++ b/pkgs/applications/window-managers/i3/status.nix
@@ -2,11 +2,11 @@
   }:
 
 stdenv.mkDerivation rec {
-  name = "i3status-2.6";
+  name = "i3status-2.7";
 
   src = fetchurl {
     url = "http://i3wm.org/i3status/${name}.tar.bz2";
-    sha256 = "e7e710cc271887bcd22757269e1b00a5618fb53abdb3455140116b3d38797bce";
+    sha256 = "0cm6fhsc7hzsqni8pwhjl2l0rfd458paabn54cgzqnmwwdflwgq7";
   };
 
   buildInputs = [ confuse yajl alsaLib wirelesstools ];