diff --git a/lib/time/update.bash b/lib/time/update.bash
index e72850079f..bed82b4f40 100755
--- a/lib/time/update.bash
+++ b/lib/time/update.bash
@@ -24,8 +24,8 @@
 # in the CL match the update.bash in the CL.
 
 # Versions to use.
-CODE=2023d
-DATA=2023d
+CODE=2024a
+DATA=2024a
 
 set -e
 
diff --git a/lib/time/zoneinfo.zip b/lib/time/zoneinfo.zip
index 7cf689f830..bb38801b7a 100644
Binary files a/lib/time/zoneinfo.zip and b/lib/time/zoneinfo.zip differ