diff --git a/vendor/doctest b/vendor/doctest
index 2d2554f7..6f57b912 160000
--- a/vendor/doctest
+++ b/vendor/doctest
@@ -1 +1 @@
-Subproject commit 2d2554f78e86dc528d45e38f6f9a351dfd84315c
+Subproject commit 6f57b91261fef5d19fd1abd7b917eec847cc7389
diff --git a/vendor/valgrind b/vendor/valgrind
index 0cbe2633..a196a500 160000
--- a/vendor/valgrind
+++ b/vendor/valgrind
@@ -1 +1 @@
-Subproject commit 0cbe2633f76e061349d10337a39bc666e8adc89f
+Subproject commit a196a50056be5e6ef0c5f7456e95b4234b799a33