diff --git a/.buckconfig.d/external_cells/facebook/buck2-shims-meta/external_cell.buckconfig b/.buckconfig.d/external_cells/facebook/buck2-shims-meta/external_cell.buckconfig
index 6acc6694ca..411a86781c 100644
--- a/.buckconfig.d/external_cells/facebook/buck2-shims-meta/external_cell.buckconfig
+++ b/.buckconfig.d/external_cells/facebook/buck2-shims-meta/external_cell.buckconfig
@@ -6,4 +6,4 @@ gh_facebook_buck2_shims_meta = git
 
 [external_cell_gh_facebook_buck2_shims_meta]
 git_origin = https://github.com/facebook/buck2-shims-meta.git
-commit_hash = fcefc53dbcd126c5d3b483d3270e0a5ba50ab5cf
+commit_hash = df09226e8022572c3840179f33267099050db94f
diff --git a/.buckconfig.d/external_cells/facebook/folly/external_cell.buckconfig b/.buckconfig.d/external_cells/facebook/folly/external_cell.buckconfig
index 6890eac7c3..dd32da785c 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 = 14c4e179c8293abad6a0a97b2d2b90b8870d56af
+commit_hash = 4a78cb578fd4087f2a09732b37ce2aba3df63853
diff --git a/build/deps/github_hashes/facebook/folly-rev.txt b/build/deps/github_hashes/facebook/folly-rev.txt
index 72c4d525be..43081218c4 100644
--- a/build/deps/github_hashes/facebook/folly-rev.txt
+++ b/build/deps/github_hashes/facebook/folly-rev.txt
@@ -1 +1 @@
-Subproject commit 14c4e179c8293abad6a0a97b2d2b90b8870d56af
+Subproject commit 4a78cb578fd4087f2a09732b37ce2aba3df63853