diff --git a/base/Dockerfile b/base/Dockerfile
index a327a90..6027d70 100644
--- a/base/Dockerfile
+++ b/base/Dockerfile
@@ -36,7 +36,7 @@ RUN \
         ca-certificates=20210119 \
         curl=7.74.0-1.3+deb11u7 \
         jq=1.6-2.1 \
-        tzdata=2021a-1+deb11u8 \
+        tzdata=2021a-1+deb11u9 \
         xz-utils=5.2.5-2.1~deb11u1 \
     \
     && c_rehash \