diff --git a/package_versions.txt b/package_versions.txt
index cf0bed7..0519533 100755
--- a/package_versions.txt
+++ b/package_versions.txt
@@ -137,10 +137,10 @@ sqlite-libs-3.28.0-r0
 ssl_client-1.30.1-r2
 taglib-1.11.1-r2
 tar-1.32-r0
-tiff-4.0.10-r0
-tzdata-2019a-r0
+tiff-4.0.10-r1
+tzdata-2019b-r0
 v4l-utils-libs-1.16.6-r0
-wavpack-5.1.0-r7
+wavpack-5.1.0-r8
 wayland-libs-client-1.17.0-r0
 wayland-libs-egl-1.17.0-r0
 wayland-libs-server-1.17.0-r0