diff --git a/.buckconfig.d/external_cells/facebook/folly/external_cell.buckconfig b/.buckconfig.d/external_cells/facebook/folly/external_cell.buckconfig
index e8d5eea03d..54a3443b9e 100644
--- a/.buckconfig.d/external_cells/facebook/folly/external_cell.buckconfig
+++ b/.buckconfig.d/external_cells/facebook/folly/external_cell.buckconfig
@@ -6,4 +6,4 @@ gh_facebook_folly = git
 
 [external_cell_gh_facebook_folly]
 git_origin = https://github.com/facebook/folly.git
-commit_hash = ad12236877cd0e06b54c24d49df2eff9d268d71d
+commit_hash = 819b4c4d46a7d6447584e46a7eb0731297622acf
diff --git a/build/deps/github_hashes/facebook/folly-rev.txt b/build/deps/github_hashes/facebook/folly-rev.txt
index fbe83f9201..24cd2b417c 100644
--- a/build/deps/github_hashes/facebook/folly-rev.txt
+++ b/build/deps/github_hashes/facebook/folly-rev.txt
@@ -1 +1 @@
-Subproject commit ad12236877cd0e06b54c24d49df2eff9d268d71d
+Subproject commit 819b4c4d46a7d6447584e46a7eb0731297622acf