diff --git a/pkgs/applications/networking/browsers/chromium/default.nix b/pkgs/applications/networking/browsers/chromium/default.nix
index 908e54f3e43..eba32738e0b 100644
--- a/pkgs/applications/networking/browsers/chromium/default.nix
+++ b/pkgs/applications/networking/browsers/chromium/default.nix
@@ -51,15 +51,18 @@ let
     patches = singleton ./sandbox_userns_31.patch;
 
     postPatch = ''
-      sed -i -r -e 's/-f(stack-protector)(-all)?/-fno-\1/' build/common.gypi
-    '' + (if versionOlder version "32.0.0.0" then ''
-      sed -i -e 's|/usr/bin/gcc|gcc|' third_party/WebKit/Source/core/core.gypi
-    '' else ''
+      sed -i -r \
+        -e 's/-f(stack-protector)(-all)?/-fno-\1/' \
+        -e 's|/bin/echo|echo|' \
+        build/common.gypi
+      sed -i '/not RunGN/,+1d' build/gyp_chromium
       sed -i -e 's|/usr/bin/gcc|gcc|' \
         third_party/WebKit/Source/build/scripts/scripts.gypi \
         third_party/WebKit/Source/build/scripts/preprocessor.pm
-    '') + optionalString useOpenSSL ''
+    '' + optionalString useOpenSSL ''
       cat $opensslPatches | patch -p1 -d third_party/openssl/openssl
+    '' + optionalString (!versionOlder version "34.0.0.0") ''
+      sed -i '/import.*depot/d' build/gyp_chromium
     '';
 
     outputs = [ "out" "sandbox" "bundled" "main" ];
diff --git a/pkgs/applications/networking/browsers/chromium/sources.nix b/pkgs/applications/networking/browsers/chromium/sources.nix
index b7a30ef63f7..6ad9d9090d5 100644
--- a/pkgs/applications/networking/browsers/chromium/sources.nix
+++ b/pkgs/applications/networking/browsers/chromium/sources.nix
@@ -1,18 +1,18 @@
 # This file is autogenerated from update.sh in the same directory.
 {
   dev = {
-    version = "33.0.1712.4";
-    url = "http://commondatastorage.googleapis.com/chromium-browser-official/chromium-33.0.1712.4.tar.xz";
-    sha256 = "1c1m0y3nnz2lclqi21j6hgqmb46p1hv7c22zz9fn7dax7jkimydk";
+    version = "34.0.1809.0";
+    url = "http://commondatastorage.googleapis.com/chromium-browser-official/chromium-34.0.1809.0.tar.xz";
+    sha256 = "0hyqqqq2hzbzk325pk9bc70lsh0al2nqf1mlahybp5vigy5jzy88";
   };
   beta = {
-    version = "32.0.1700.19";
-    url = "http://commondatastorage.googleapis.com/chromium-browser-official/chromium-32.0.1700.19.tar.xz";
-    sha256 = "0d0kgy160pyg472ka43gxk7n09pqhhs9nd93jyxrp9qsyllfc425";
+    version = "33.0.1750.46";
+    url = "http://commondatastorage.googleapis.com/chromium-browser-official/chromium-33.0.1750.46.tar.xz";
+    sha256 = "04n43c4vn8i7qhlybqb19c2c8kri8nc1wpa2l83vin4sqxkq519h";
   };
   stable = {
-    version = "32.0.1700.77";
-    url = "http://commondatastorage.googleapis.com/chromium-browser-official/chromium-32.0.1700.77.tar.xz";
-    sha256 = "1mwqa5k32d168swpw0bdcnhglxwcqdsx766fq0iz22h3hd4ccdwa";
+    version = "32.0.1700.102";
+    url = "http://commondatastorage.googleapis.com/chromium-browser-official/chromium-32.0.1700.102.tar.xz";
+    sha256 = "0jxwhd7cd60ivisrnzcglqqnmy99np1vvjqa27y42d852xjx84ys";
   };
 }