diff --git a/neko/messages/install_pgroonga b/neko/messages/20231128_install_pgroonga
similarity index 100%
rename from neko/messages/install_pgroonga
rename to neko/messages/20231128_install_pgroonga
diff --git a/neko/messages/docker_compose_rename b/neko/messages/20231129_docker_compose_rename
similarity index 100%
rename from neko/messages/docker_compose_rename
rename to neko/messages/20231129_docker_compose_rename
diff --git a/neko/messages/temp_upgrade_node_to_v21.resolved b/neko/messages/20231229_upgrade_node_to_v21.resolved
similarity index 100%
rename from neko/messages/temp_upgrade_node_to_v21.resolved
rename to neko/messages/20231229_upgrade_node_to_v21.resolved
diff --git a/neko/messages/add_volume_to_docker_compose b/neko/messages/20240102_add_volume_to_docker_compose
similarity index 100%
rename from neko/messages/add_volume_to_docker_compose
rename to neko/messages/20240102_add_volume_to_docker_compose
diff --git a/neko/update/patch.sh b/neko/update/patch.sh
new file mode 100755
index 000000000..218b4817c
--- /dev/null
+++ b/neko/update/patch.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+set -eu
+
+[ ! -f neko/flags/install_pgroonga ]             || mv neko/flags/install_pgroonga             neko/flags/20231128_install_pgroonga
+[ ! -f neko/flags/docker_compose_rename ]        || mv neko/flags/docker_compose_rename        neko/flags/20231129_docker_compose_rename
+[ ! -f neko/flags/temp_upgrade_node_to_v21 ]     || mv neko/flags/temp_upgrade_node_to_v21     neko/flags/20231229_upgrade_node_to_v21
+[ ! -f neko/flags/add_volume_to_docker_compose ] || mv neko/flags/add_volume_to_docker_compose neko/flags/20240102_add_volume_to_docker_compose
diff --git a/update.sh b/update.sh
index ac2887b4d..c572fb5ae 100755
--- a/update.sh
+++ b/update.sh
@@ -6,6 +6,10 @@ set -eu
 say 'Start upgrading Firefish!'
 br
 
+# Apply patches
+run './neko/update/patch.sh'
+br
+
 # Pull changes
 ## git pull
 OLD_COMMIT=$(git rev-parse --short HEAD)