diff --git a/vendor/valgrind b/vendor/valgrind
index 9ec97aa4..e1568695 160000
--- a/vendor/valgrind
+++ b/vendor/valgrind
@@ -1 +1 @@
-Subproject commit 9ec97aa43bfe4e745ae046ae757860d2d62f05ea
+Subproject commit e1568695f0e6c7ad0a7cc21adfad53b412d09a76
diff --git a/vendor/zlib b/vendor/zlib
index 34e75f06..93538c2b 160000
--- a/vendor/zlib
+++ b/vendor/zlib
@@ -1 +1 @@
-Subproject commit 34e75f067a0ec4999470ccb736b71024c081a70a
+Subproject commit 93538c2b9403ec5b8ed673a3a5f3874430569b70