diff --git a/base/trace_event/common b/base/trace_event/common
index dab187b372..ef35868044 160000
--- a/base/trace_event/common
+++ b/base/trace_event/common
@@ -1 +1 @@
-Subproject commit dab187b372fc17e51f5b9fad8201813d0aed5129
+Subproject commit ef3586804494b7e402b6c1791d5dccdf2971afff
diff --git a/build b/build
index 17f96622d0..f503a500c8 160000
--- a/build
+++ b/build
@@ -1 +1 @@
-Subproject commit 17f96622d000d09a0712c55cb394c91095dccb62
+Subproject commit f503a500c8d6da6c1fb525d445a431c6ff8a37ed
diff --git a/buildtools b/buildtools
index 4712bad481..7c62aff244 160000
--- a/buildtools
+++ b/buildtools
@@ -1 +1 @@
-Subproject commit 4712bad481f1d938e4eae3693efe5a6183f639d9
+Subproject commit 7c62aff244e3e705ad8c154c706e2aed87201611
diff --git a/third_party/zlib b/third_party/zlib
index 21c6af6f18..93be846a6c 160000
--- a/third_party/zlib
+++ b/third_party/zlib
@@ -1 +1 @@
-Subproject commit 21c6af6f18e5ad9c3b9d103f8cfdbf926ca35f7c
+Subproject commit 93be846a6cf7826ba2b372ce5c0432b4b94d64ff
diff --git a/tools/clang b/tools/clang
index 116e3ee70d..62d4c43363 160000
--- a/tools/clang
+++ b/tools/clang
@@ -1 +1 @@
-Subproject commit 116e3ee70d1877ee7d92e0d8bfdf9420b773cd43
+Subproject commit 62d4c43363c5571ca427cfea4d92d699eb26f72a
diff --git a/tools/upgrade_v8.sh b/tools/upgrade_v8.sh
index 3474b85d34..9eb50c56e1 100644
--- a/tools/upgrade_v8.sh
+++ b/tools/upgrade_v8.sh
@@ -2,7 +2,7 @@
 # paste manually to upgrade V8.
 
 export BRANCH=20200605_rusty_v8
-export COMMITDATE=2020-05-05T17:39:10.000Z
+export COMMITDATE=2020-06-25T12:06:47.000Z
 
 git submodule foreach 'git remote rm upstream; true' &&
 git -C build remote add upstream https://chromium.googlesource.com/chromium/src/build &&
diff --git a/v8 b/v8
index b9c403fda6..fb20b5d83e 160000
--- a/v8
+++ b/v8
@@ -1 +1 @@
-Subproject commit b9c403fda62e09aa6a7649df07cfdb3252447c7b
+Subproject commit fb20b5d83e381586c7b16fc7aad554eaa5432416