diff --git a/build/.gitignore b/build/.gitignore
index 0c6f306..869cdb4 100644
--- a/build/.gitignore
+++ b/build/.gitignore
@@ -4,7 +4,5 @@
 # Pulled Debian wheezy sysroots
 linux/debian_jessie_arm-sysroot
 linux/debian_jessie_arm64-sysroot
-linux/debian_wheezy_amd64-sysroot
 linux/debian_jessie_amd64-sysroot
-linux/debian_wheezy_arm-sysroot
-linux/debian_wheezy_i386-sysroot
+linux/debian_jessie_i386-sysroot
diff --git a/build/config/linux/BUILD.gn b/build/config/linux/BUILD.gn
index 215025b..62f7524 100644
--- a/build/config/linux/BUILD.gn
+++ b/build/config/linux/BUILD.gn
@@ -18,12 +18,12 @@
                              ],
                              "value") ]
 
-    # When using the pulled wheezy sysroot with gcc, we have to specify these
+    # When using the pulled Debian sysroot with gcc, we have to specify these
     # excplicitly.
-    if (dart_use_wheezy_sysroot && !is_clang) {
+    if (dart_use_debian_sysroot && !is_clang) {
       cflags += [
-        "-I=/usr/include/c++/4.6",
-        "-I=/usr/include/c++/4.6/i486-linux-gnu",
+        "-I=/usr/include/c++/4.8",
+        "-I=/usr/include/c++/4.8/i486-linux-gnu",
       ]
     }
   }
diff --git a/build/config/sysroot.gni b/build/config/sysroot.gni
index b1acdf6..a4364ac 100644
--- a/build/config/sysroot.gni
+++ b/build/config/sysroot.gni
@@ -10,25 +10,21 @@
   # the target toolchain.
   target_sysroot = ""
 
-  # Whether the Debian wheezy sysroot should be used.
-  dart_use_wheezy_sysroot = false
+  # Whether the Debian sysroot should be used.
+  dart_use_debian_sysroot = false
 }
 
-if (is_linux && dart_use_wheezy_sysroot) {
+if (is_linux && dart_use_debian_sysroot) {
   if (current_cpu == "x86") {
-    target_sysroot = rebase_path("//build/linux/debian_wheezy_i386-sysroot", root_build_dir)
+    target_sysroot = rebase_path("//build/linux/debian_jessie_i386-sysroot", root_build_dir)
   } else if (current_cpu == "x64") {
-    if (is_asan || is_lsan || is_msan || is_tsan) {
-      target_sysroot = rebase_path("//build/linux/debian_jessie_amd64-sysroot", root_build_dir)
-    } else {
-      target_sysroot = rebase_path("//build/linux/debian_wheezy_amd64-sysroot", root_build_dir)
-    }
+    target_sysroot = rebase_path("//build/linux/debian_jessie_amd64-sysroot", root_build_dir)
   } else if (current_cpu == "arm") {
-    target_sysroot = rebase_path("//build/linux/debian_wheezy_arm-sysroot", root_build_dir)
+    target_sysroot = rebase_path("//build/linux/debian_jessie_arm-sysroot", root_build_dir)
   } else if (current_cpu == "arm64") {
     target_sysroot = rebase_path("//build/linux/debian_jessie_arm64-sysroot", root_build_dir)
   } else {
-    print("There is no Debian wheezy sysroot present for $current_cpu")
+    print("There is no Debian sysroot present for $current_cpu")
     assert(false)
   }
 }
diff --git a/build/linux/sysroot_scripts/install-sysroot.py b/build/linux/sysroot_scripts/install-sysroot.py
index 88bdd62..4500023 100755
--- a/build/linux/sysroot_scripts/install-sysroot.py
+++ b/build/linux/sysroot_scripts/install-sysroot.py
@@ -95,16 +95,15 @@
 
 def InstallDefaultSysrootForArch(target_arch):
   if target_arch == 'amd64':
-    InstallSysroot('Wheezy', 'amd64')
     InstallSysroot('Jessie', 'amd64')
   elif target_arch == 'arm':
-    InstallSysroot('Wheezy', 'arm')
+    InstallSysroot('Jessie', 'arm')
   elif target_arch == 'arm64':
     InstallSysroot('Jessie', 'arm64')
   elif target_arch == 'i386':
-    InstallSysroot('Wheezy', 'i386')
+    InstallSysroot('Jessie', 'i386')
   elif target_arch == 'mips':
-    InstallSysroot('Wheezy', 'mips')
+    InstallSysroot('Jessie', 'mips')
   else:
     raise Error('Unknown architecture: %s' % target_arch)
 
diff --git a/tools/gn.py b/tools/gn.py
index 50740ef..9b34862 100755
--- a/tools/gn.py
+++ b/tools/gn.py
@@ -248,7 +248,7 @@
 
   # Setup the user-defined sysroot.
   if UseSysroot(args, gn_args):
-    gn_args['dart_use_wheezy_sysroot'] = True
+    gn_args['dart_use_debian_sysroot'] = True
   else:
     sysroot = TargetSysroot(args)
     if sysroot:
diff --git a/tools/set_ia32_sysroot.sh b/tools/set_ia32_sysroot.sh
index c7156ce..1944330 100755
--- a/tools/set_ia32_sysroot.sh
+++ b/tools/set_ia32_sysroot.sh
@@ -4,16 +4,16 @@
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
-# Sets the compiler environment variables to use a downloaded wheezy sysroot
+# Sets the compiler environment variables to use a downloaded Debian sysroot
 # when building Dart with architecture ia32.
-# Run this in the same working directory that you have run 
+# Run this in the same working directory that you have run
 # sdk/tools/download_chromium_sysroot.sh in.
 # Must be sourced, not run in a subshell, to modify the environment.
 # Run with the command ". sdk/tools/set_ia32_sysroot.sh"
 # Only tested and used on Ubuntu trusty linux. Used to build dart with
 # no requirement for glibc greater than version 2.14.
 
-export CXXFLAGS="--sysroot=$PWD/build/linux/debian_wheezy_i386-sysroot -I=/usr/include/c++/4.6 -I=/usr/include/c++/4.6/i486-linux-gnu"
+export CXXFLAGS="--sysroot=$PWD/build/linux/debian_jessie_i386-sysroot -I=/usr/include/c++/4.8 -I=/usr/include/c++/4.8/i486-linux-gnu"
 
-export LDFLAGS=--sysroot=$PWD/build/linux/debian_wheezy_i386-sysroot
-export CFLAGS=--sysroot=$PWD/build/linux/debian_wheezy_i386-sysroot
+export LDFLAGS=--sysroot=$PWD/build/linux/debian_jessie_i386-sysroot
+export CFLAGS=--sysroot=$PWD/build/linux/debian_jessie_i386-sysroot
diff --git a/tools/set_x64_sysroot.sh b/tools/set_x64_sysroot.sh
index bc28961..9c199ff 100755
--- a/tools/set_x64_sysroot.sh
+++ b/tools/set_x64_sysroot.sh
@@ -4,16 +4,16 @@
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
-# Sets the compiler environment variables to use a downloaded wheezy sysroot
+# Sets the compiler environment variables to use a downloaded Debian sysroot
 # when building Dart with architecture x64.
-# Run this in the same working directory that you have run 
+# Run this in the same working directory that you have run
 # sdk/tools/download_chromium_sysroot.sh in.
 # Must be sourced, not run in a subshell, to modify the environment.
 # Run with the command ". sdk/tools/set_x64_sysroot.sh"
 # Only tested and used on Ubuntu trusty linux. Used to build dart with
 # no requirement for glibc greater than version 2.14.
 
-export CXXFLAGS="--sysroot=$PWD/build/linux/debian_wheezy_amd64-sysroot -I=/usr/include/c++/4.6 -I=/usr/include/c++/4.6/x86_64-linux-gnu"
+export CXXFLAGS="--sysroot=$PWD/build/linux/debian_jessie_amd64-sysroot -I=/usr/include/c++/4.8 -I=/usr/include/c++/4.8/x86_64-linux-gnu"
 
-export LDFLAGS=--sysroot=$PWD/build/linux/debian_wheezy_amd64-sysroot
-export CFLAGS=--sysroot=$PWD/build/linux/debian_wheezy_amd64-sysroot
+export LDFLAGS=--sysroot=$PWD/build/linux/debian_jessie_amd64-sysroot
+export CFLAGS=--sysroot=$PWD/build/linux/debian_jessie_amd64-sysroot