diff --git a/package_versions.txt b/package_versions.txt
index 0a0ac8c..48e2060 100755
--- a/package_versions.txt
+++ b/package_versions.txt
@@ -136,7 +136,7 @@ soxr-0.1.3-r2
 sqlite-libs-3.35.5-r0
 ssl_client-1.33.1-r3
 tiff-4.2.0-r1
-tzdata-2021a-r0
+tzdata-2021b-r0
 utmps-0.1.0.2-r0
 v4l-utils-libs-1.20.0-r0
 vidstab-1.1.0-r1