diff --git a/build/config/sysroot.gni b/build/config/sysroot.gni
index d5daf2df2e41..46999e2e2198 100644
--- a/build/config/sysroot.gni
+++ b/build/config/sysroot.gni
@@ -32,17 +32,17 @@ if (current_os == target_os && current_cpu == target_cpu &&
   # By default build against a sysroot image downloaded from Cloud Storage
   # during gclient runhooks.
   if (current_cpu == "x64") {
-    sysroot = "$target_sysroot_dir/debian_sid_amd64-sysroot"
+    sysroot = "$target_sysroot_dir/debian_stretch_amd64-sysroot"
   } else if (current_cpu == "x86") {
-    sysroot = "$target_sysroot_dir/debian_sid_i386-sysroot"
+    sysroot = "$target_sysroot_dir/debian_stretch_i386-sysroot"
   } else if (current_cpu == "mipsel") {
-    sysroot = "$target_sysroot_dir/debian_sid_mips-sysroot"
+    sysroot = "$target_sysroot_dir/debian_stretch_mips-sysroot"
   } else if (current_cpu == "mips64el") {
-    sysroot = "$target_sysroot_dir/debian_sid_mips64el-sysroot"
+    sysroot = "$target_sysroot_dir/debian_stretch_mips64el-sysroot"
   } else if (current_cpu == "arm") {
-    sysroot = "$target_sysroot_dir/debian_sid_arm-sysroot"
+    sysroot = "$target_sysroot_dir/debian_stretch_arm-sysroot"
   } else if (current_cpu == "arm64") {
-    sysroot = "$target_sysroot_dir/debian_sid_arm64-sysroot"
+    sysroot = "$target_sysroot_dir/debian_stretch_arm64-sysroot"
   } else {
     assert(false, "No linux sysroot for cpu: $target_cpu")
   }
diff --git a/build/linux/sysroot_scripts/install-sysroot.py b/build/linux/sysroot_scripts/install-sysroot.py
index 58f09950d844..53500a0853a6 100755
--- a/build/linux/sysroot_scripts/install-sysroot.py
+++ b/build/linux/sysroot_scripts/install-sysroot.py
@@ -31,8 +31,8 @@ import urllib2
 
 SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
 
-URL_PREFIX = 'https://commondatastorage.googleapis.com'
-URL_PATH = 'chrome-linux-sysroot/toolchain'
+URL_PREFIX = 'http://s3.amazonaws.com'
+URL_PATH = 'gh-contractor-zcbenz/toolchain'
 
 VALID_ARCHS = ('arm', 'arm64', 'i386', 'amd64', 'mips', 'mips64el')
 
@@ -43,7 +43,7 @@ ARCH_TRANSLATIONS = {
     'mips64': 'mips64el',
 }
 
-DEFAULT_TARGET_PLATFORM = 'sid'
+DEFAULT_TARGET_PLATFORM = 'stretch'
 
 class Error(Exception):
   pass
diff --git a/build/linux/sysroot_scripts/sysroots.json b/build/linux/sysroot_scripts/sysroots.json
index e79b69b764b1..91ef1417a1bf 100644
--- a/build/linux/sysroot_scripts/sysroots.json
+++ b/build/linux/sysroot_scripts/sysroots.json
@@ -1,38 +1,38 @@
 {
-    "sid_amd64": {
-        "Revision": "1015a998c2adf188813cca60b558b0ea1a0b6ced",
-        "Sha1Sum": "4e7db513b0faeea8fb410f70c9909e8736f5c0ab",
-        "SysrootDir": "debian_sid_amd64-sysroot",
-        "Tarball": "debian_sid_amd64_sysroot.tar.xz"
+    "stretch_amd64": {
+        "Revision": "02772eaba5440a79c6bd2d9cb7e42fa836950366",
+        "Sha1Sum": "69457fddca3500e2dde124f77f8382b0a18d765e",
+        "SysrootDir": "debian_stretch_amd64-sysroot",
+        "Tarball": "debian_stretch_amd64_sysroot.tgz"
     },
-    "sid_arm": {
-        "Revision": "1015a998c2adf188813cca60b558b0ea1a0b6ced",
-        "Sha1Sum": "b2165ab47ab9c4cc780db53ace1b08607d68ae31",
-        "SysrootDir": "debian_sid_arm-sysroot",
-        "Tarball": "debian_sid_arm_sysroot.tar.xz"
+    "stretch_arm": {
+        "Revision": "02772eaba5440a79c6bd2d9cb7e42fa836950366",
+        "Sha1Sum": "3e880f69177992ce02b05deeac619f7591b30287",
+        "SysrootDir": "debian_stretch_arm-sysroot",
+        "Tarball": "debian_stretch_arm_sysroot.tgz"
     },
-    "sid_arm64": {
-        "Revision": "1015a998c2adf188813cca60b558b0ea1a0b6ced",
-        "Sha1Sum": "37dfa5f22e2c0e847cee34f9848eb31230c33d35",
-        "SysrootDir": "debian_sid_arm64-sysroot",
-        "Tarball": "debian_sid_arm64_sysroot.tar.xz"
+    "stretch_arm64": {
+        "Revision": "02772eaba5440a79c6bd2d9cb7e42fa836950366",
+        "Sha1Sum": "8fd58c7d4b38fa3c6785573c6310cf6ca6c88312",
+        "SysrootDir": "debian_stretch_arm64-sysroot",
+        "Tarball": "debian_stretch_arm64_sysroot.tgz"
     },
-    "sid_i386": {
-        "Revision": "1015a998c2adf188813cca60b558b0ea1a0b6ced",
-        "Sha1Sum": "b8639749e2b561a7462d7e7978ca74ee4044bdab",
-        "SysrootDir": "debian_sid_i386-sysroot",
-        "Tarball": "debian_sid_i386_sysroot.tar.xz"
+    "stretch_i386": {
+        "Revision": "02772eaba5440a79c6bd2d9cb7e42fa836950366",
+        "Sha1Sum": "1bd14db5eb0466064659126d398b38220013fb38",
+        "SysrootDir": "debian_stretch_i386-sysroot",
+        "Tarball": "debian_stretch_i386_sysroot.tgz"
     },
-    "sid_mips": {
-        "Revision": "1015a998c2adf188813cca60b558b0ea1a0b6ced",
-        "Sha1Sum": "baaf37cdcbcf251fb9a4ccaf8b479722ae61fe49",
-        "SysrootDir": "debian_sid_mips-sysroot",
-        "Tarball": "debian_sid_mips_sysroot.tar.xz"
+    "stretch_mips": {
+        "Revision": "02772eaba5440a79c6bd2d9cb7e42fa836950366",
+        "Sha1Sum": "285751660ffab14e6d052c8ddb5c90752a51704d",
+        "SysrootDir": "debian_stretch_mips-sysroot",
+        "Tarball": "debian_stretch_mips_sysroot.tgz"
     },
-    "sid_mips64el": {
-        "Revision": "1015a998c2adf188813cca60b558b0ea1a0b6ced",
-        "Sha1Sum": "bbfe1a513b849921cfcf78865faec8fc03f93b3d",
-        "SysrootDir": "debian_sid_mips64el-sysroot",
-        "Tarball": "debian_sid_mips64el_sysroot.tar.xz"
-    }
+    "stretch_mips64el": {
+        "Revision": "02772eaba5440a79c6bd2d9cb7e42fa836950366",
+        "Sha1Sum": "23f51f29bc35a550092dde41dc823780fdb50f9e",
+        "SysrootDir": "debian_stretch_mips64el-sysroot",
+        "Tarball": "debian_stretch_mips64el_sysroot.tgz"
+     }
 }