diff --git a/package_versions.txt b/package_versions.txt
index 6031a1a9..82315ece 100755
--- a/package_versions.txt
+++ b/package_versions.txt
@@ -192,7 +192,7 @@ sudo-1.9.7_p1-r1
 tdb-libs-1.4.3-r1
 tiff-4.2.0-r1
 tini-static-0.19.0-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