diff --git a/src/libbson b/src/libbson
index f000d9650..0b4ea913f 160000
--- a/src/libbson
+++ b/src/libbson
@@ -1 +1 @@
-Subproject commit f000d96508737c7433c1f815eee012912719f7b6
+Subproject commit 0b4ea913f3da76eecbc24ae226c5c6cb15d0ac07
diff --git a/src/libmongoc b/src/libmongoc
index 4039c2865..20f0b759d 160000
--- a/src/libmongoc
+++ b/src/libmongoc
@@ -1 +1 @@
-Subproject commit 4039c286539fc9150f90c10baef3ca3598c50e56
+Subproject commit 20f0b759d377a14a94c278c0439dfa34b5e652d1