diff --git a/lib/time/update.bash b/lib/time/update.bash
index 4f15caec8e..605afa76d3 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=2022g
-DATA=2022g
+CODE=2023c
+DATA=2023c
 
 set -e
 
diff --git a/lib/time/zoneinfo.zip b/lib/time/zoneinfo.zip
index 9b31ec1994..417ee2b194 100644
Binary files a/lib/time/zoneinfo.zip and b/lib/time/zoneinfo.zip differ