diff --git a/util/bot/DEPS b/util/bot/DEPS
index 4a5148191..096abeca5 100644
--- a/util/bot/DEPS
+++ b/util/bot/DEPS
@@ -22,7 +22,7 @@ vars = {
 
 deps = {
   'boringssl/util/bot/android_ndk': {
-    'url': Var('chromium_git') + '/android_ndk.git' + '@' + '635bc380968a76f6948fee65f80a0b28db53ae81',
+    'url': Var('chromium_git') + '/android_ndk.git' + '@' + '5cd86312e794bdf542a3685c6f10cbb96072990b',
     'condition': 'checkout_android',
   },
 
@@ -35,7 +35,7 @@ deps = {
     Var('chromium_git') + '/external/gyp.git' + '@' + 'd61a9397e668fa9843c4aa7da9e79460fe590bfb',
 
   'boringssl/util/bot/libFuzzer': {
-    'url': Var('chromium_git') + '/chromium/llvm-project/compiler-rt/lib/fuzzer.git' + '@' + 'ba2c1cd6f87accb32b5dbce297387c56a2e53a2f',
+    'url': Var('chromium_git') + '/chromium/llvm-project/compiler-rt/lib/fuzzer.git' + '@' + 'fda403cf93ecb8792cb1d061564d89a6553ca020',
     'condition': 'checkout_fuzzer',
   },
 }
diff --git a/util/bot/go/bootstrap.py b/util/bot/go/bootstrap.py
index ae38ccf21..b66b13a11 100755
--- a/util/bot/go/bootstrap.py
+++ b/util/bot/go/bootstrap.py
@@ -45,7 +45,7 @@ WORKSPACE = os.path.join(ROOT, 'go')
 EXE_SFX = '.exe' if sys.platform == 'win32' else ''
 
 # Pinned version of Go toolset to download.
-TOOLSET_VERSION = 'go1.10.1'
+TOOLSET_VERSION = 'go1.10.2'
 
 # Platform dependent portion of a download URL. See http://golang.org/dl/.
 TOOLSET_VARIANTS = {
diff --git a/util/bot/update_clang.py b/util/bot/update_clang.py
index 982031f80..33b249eb3 100644
--- a/util/bot/update_clang.py
+++ b/util/bot/update_clang.py
@@ -19,7 +19,7 @@ import urllib2
 # CLANG_REVISION and CLANG_SUB_REVISION determine the build of clang
 # to use. These should be synced with tools/clang/scripts/update.py in
 # Chromium.
-CLANG_REVISION = '328575'
+CLANG_REVISION = '332838'
 CLANG_SUB_REVISION=1
 
 PACKAGE_VERSION = "%s-%s" % (CLANG_REVISION, CLANG_SUB_REVISION)
diff --git a/util/bot/vs_toolchain.py b/util/bot/vs_toolchain.py
index 71b59c898..d313ed493 100644
--- a/util/bot/vs_toolchain.py
+++ b/util/bot/vs_toolchain.py
@@ -87,9 +87,8 @@ def _GetDesiredVsToolchainHashes():
     # Update 3 final with 10.0.15063.468 SDK and no vctip.exe.
     return ['f53e4598951162bad6330f7a167486c7ae5db1e5']
   if env_version == '2017':
-    # VS 2017 Update 3.2 with 10.0.15063.468 SDK, patched setenv.cmd, and
-    # 10.0.16299.15 debuggers.
-    return ['1180cb75833ea365097e279efb2d5d7a42dee4b0']
+    # VS 2017 Update 7.1 (15.7.1) with 10.0.17134.12 SDK.
+    return ['5454e45bf3764c03d3fc1024b3bf5bc41e3ab62c']
   raise Exception('Unsupported VS version %s' % env_version)