diff --git a/DEPS b/DEPS
index 633305a573df0..84d0243263efe 100644
--- a/DEPS
+++ b/DEPS
@@ -521,7 +521,7 @@ vars = {
 
   # If you change this, also update the libc++ revision in
   # //buildtools/deps_revisions.gni.
-  'libcxx_revision':       '645470002f05eb47f5ec978559b1270e46ce3c72',
+  'libcxx_revision':       '26cbb86c20fea9562e31742a25f5577b724ab664',
 
   # GN CIPD package version.
   'gn_version': 'git_revision:991530ce394efb58fcd848195469022fa17ae126',
diff --git a/buildtools/deps_revisions.gni b/buildtools/deps_revisions.gni
index 27bb2980c2318..df6bf33e6650e 100644
--- a/buildtools/deps_revisions.gni
+++ b/buildtools/deps_revisions.gni
@@ -5,5 +5,5 @@
 declare_args() {
   # Used to cause full rebuilds on libc++ rolls. This should be kept in sync
   # with the libcxx_revision vars in //DEPS.
-  libcxx_revision = "645470002f05eb47f5ec978559b1270e46ce3c72"
+  libcxx_revision = "26cbb86c20fea9562e31742a25f5577b724ab664"
 }
diff --git a/third_party/libc++/src b/third_party/libc++/src
index 645470002f05e..26cbb86c20fea 160000
--- a/third_party/libc++/src
+++ b/third_party/libc++/src
@@ -1 +1 @@
-Subproject commit 645470002f05eb47f5ec978559b1270e46ce3c72
+Subproject commit 26cbb86c20fea9562e31742a25f5577b724ab664