diff --git a/build/deps/github_hashes/facebook/folly-rev.txt b/build/deps/github_hashes/facebook/folly-rev.txt
index fe47be97b..832544b84 100644
--- a/build/deps/github_hashes/facebook/folly-rev.txt
+++ b/build/deps/github_hashes/facebook/folly-rev.txt
@@ -1 +1 @@
-Subproject commit ed95b0497c1d5213f60f4ee2f3700f9ee271fe3e
+Subproject commit 4b2646cdcc3eea1af46122a5c960581fc8ed29b7
diff --git a/build/deps/github_hashes/facebookincubator/fizz-rev.txt b/build/deps/github_hashes/facebookincubator/fizz-rev.txt
index ed0dd629e..fb7db5af1 100644
--- a/build/deps/github_hashes/facebookincubator/fizz-rev.txt
+++ b/build/deps/github_hashes/facebookincubator/fizz-rev.txt
@@ -1 +1 @@
-Subproject commit 20bfa5a8a7b5ad0c9df13f29b74cc2c4ced5a4b9
+Subproject commit b4fe5162940111897b74b16bae8d02911413aa38