diff --git a/debian/davical.postinst b/debian/davical.postinst
index e0ab0892..0f2d84ea 100644
--- a/debian/davical.postinst
+++ b/debian/davical.postinst
@@ -20,6 +20,9 @@ fi
 
 case $1 in
   configure)
+      # Attempt to run the database upgrade script with default
+      # settings, but ignore any possible failure.
+      /usr/share/davical/dba/update-davical-database || true
     ;;
 esac