diff --git a/package_versions.txt b/package_versions.txt
index 479b3d4..c7f6401 100755
--- a/package_versions.txt
+++ b/package_versions.txt
@@ -66,7 +66,7 @@ shadow-4.8.1-r0
 skalibs-2.10.0.3-r0
 sqlite-libs-3.35.5-r0
 ssl_client-1.33.1-r3
-tzdata-2021b-r0
+tzdata-2021c-r0
 utmps-0.1.0.2-r0
 xz-5.2.5-r0
 xz-libs-5.2.5-r0