diff --git a/package_versions.txt b/package_versions.txt
index bf2e8f8..e834b26 100644
--- a/package_versions.txt
+++ b/package_versions.txt
@@ -33,7 +33,7 @@ scanelf-1.2.8-r0
 shadow-4.8.1-r0
 skalibs-2.10.0.0-r0
 ssl_client-1.32.1-r6
-tzdata-2021b-r0
+tzdata-2021c-r0
 utmps-0.1.0.0-r0
 xz-5.2.5-r0
 xz-libs-5.2.5-r0