diff --git a/package_versions.txt b/package_versions.txt
index 7771f37..1992e89 100755
--- a/package_versions.txt
+++ b/package_versions.txt
@@ -92,7 +92,7 @@ sqlite-libs-3.30.1-r2
 ssl_client-1.31.1-r10
 tar-1.32-r2
 tiff-4.1.0-r0
-tzdata-2021b-r0
+tzdata-2021c-r0
 unrar-5.8.5-r0
 unzip-6.0-r7
 v4l-utils-libs-1.18.0-r0