diff --git a/package_versions.txt b/package_versions.txt
index da2ea7b..937cdab 100755
--- a/package_versions.txt
+++ b/package_versions.txt
@@ -37,7 +37,7 @@ snappy-1.1.8-r2
 sqlite-3.32.1-r1
 sqlite-libs-3.32.1-r1
 ssl_client-1.31.1-r20
-tzdata-2021b-r0
+tzdata-2021c-r0
 xz-5.2.5-r0
 xz-libs-5.2.5-r0
 zlib-1.2.11-r3