diff --git a/DEPS b/DEPS
index 1169781945..e803f4066e 100644
--- a/DEPS
+++ b/DEPS
@@ -57,6 +57,9 @@ deps = {
   "src/packager/third_party/tcmalloc/chromium":
     Var("chromium_git") + "/chromium/src/third_party/tcmalloc/chromium@fa1492f75861094061043a17c0f779c3d35780bf",
 
+  "src/packager/third_party/zlib":
+    Var("chromium_git") + "/chromium/src/third_party/zlib@bcf81d2e5f3a62b698d179c1fadba94604c5dad3",
+
   "src/packager/tools/clang":
     Var("chromium_git") + "/chromium/src/tools/clang@0de8f3bb6af64e13876273c601704795d5e00faf",
 
@@ -69,10 +72,6 @@ deps = {
 
 deps_os = {
   "unix": {  # Linux, actually.
-    # Required by build/linux/system.gyp.
-    "src/packager/third_party/zlib":
-      Var("chromium_git") + "/chromium/src/third_party/zlib@bcf81d2e5f3a62b698d179c1fadba94604c5dad3",
-
     # Linux gold build to build faster.
     "src/packager/third_party/gold":
       Var("chromium_git") + "/chromium/deps/gold@29ae7431b4688df544ea840b0b66784e5dd298fe",