diff --git a/pkgs/applications/gis/qgis/default.nix b/pkgs/applications/gis/qgis/default.nix
index d32aaba8468..004d11fe157 100644
--- a/pkgs/applications/gis/qgis/default.nix
+++ b/pkgs/applications/gis/qgis/default.nix
@@ -5,7 +5,7 @@
 }:
 
 stdenv.mkDerivation rec {
-  name = "qgis-2.18.3";
+  name = "qgis-2.18.4";
 
   buildInputs = [ gdal qt4 flex openssl bison proj geos xlibsWrapper sqlite gsl qwt qscintilla
     fcgi libspatialindex libspatialite postgresql qjson qca2 txt2tags ] ++
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
 
   src = fetchurl {
     url = "http://qgis.org/downloads/${name}.tar.bz2";
-    sha256 = "155kz7fizhkmgc4lsmk1cph1zar03pdd8pjpmv81yyx1z0i4ygvl";
+    sha256 = "1s264pahxpn0215xmzm8q2khr5xspipd7bbvxah5kj339kyjfy3k";
   };
 
   cmakeFlags = stdenv.lib.optional withGrass "-DGRASS_PREFIX7=${grass}/${grass.name}";