diff --git PKGBUILD PKGBUILD
index 3758457..b6f6aaf 100644
--- PKGBUILD
+++ PKGBUILD
@@ -18,8 +18,8 @@ source=(
   git+$url-vendor-doctest#commit=a70a8ee973f6d15b962af28a6d369c6cb248cd59
   git+$url-vendor-lzma-sdk#commit=f0b8d236c1bdf66532a198c983469da5c05593cf
   git+$url-vendor-ucl#commit=2c68ae51994892b9080328617a84296ee55f0c80
-  git+$url-vendor-valgrind#commit=26d213e8bbed72b79537f2fb067b7ead833116b7
-  git+$url-vendor-zlib#commit=9515b39de38c58a9a5a548b661c580a818ceb6bf
+  git+$url-vendor-valgrind#commit=f86c669e0112e5cf88027264eb6be8c4921a512a
+  git+$url-vendor-zlib#commit=29fceaffe38ef80e404bfa92a47b192b6e887d15
   "git+$url#commit=d14fa5f8a410da566f61bb1ca49cb2157b54ed93") # tag: v4.2.1
 b2sums=('SKIP'
         'SKIP'