diff --git a/package_versions.txt b/package_versions.txt
index bef1af1..c6f9a91 100755
--- a/package_versions.txt
+++ b/package_versions.txt
@@ -262,7 +262,7 @@ tdb-libs-1.4.3-r1
 tiff-4.2.0-r1
 tini-static-0.19.0-r0
 tint2-17.0.1-r0
-tzdata-2021a-r0
+tzdata-2021b-r0
 util-macros-1.19.3-r0
 utmps-0.1.0.2-r0
 wayland-libs-client-1.19.0-r0