diff --git a/package_versions.txt b/package_versions.txt
index 3bb6a00..895fb91 100755
--- a/package_versions.txt
+++ b/package_versions.txt
@@ -41,7 +41,7 @@ shadow-4.8.1-r0
 sqlite-libs-3.32.1-r1
 ssl_client-1.31.1-r20
 sudo-1.9.5p2-r0
-tzdata-2021a-r0
+tzdata-2021b-r0
 xz-5.2.5-r0
 xz-libs-5.2.5-r0
 zlib-1.2.11-r3