diff --git a/esphome/components/update/update_entity.cpp b/esphome/components/update/update_entity.cpp
index 515e4c2c18..7edea2fe22 100644
--- a/esphome/components/update/update_entity.cpp
+++ b/esphome/components/update/update_entity.cpp
@@ -2,12 +2,21 @@
 #include "esphome/core/defines.h"
 #include "esphome/core/controller_registry.h"
 #include "esphome/core/log.h"
+#include "esphome/core/progmem.h"
 
 namespace esphome {
 namespace update {
 
 static const char *const TAG = "update";
 
+// Update state strings indexed by UpdateState enum (0-3): UNKNOWN, NO UPDATE, UPDATE AVAILABLE, INSTALLING
+PROGMEM_STRING_TABLE(UpdateStateStrings, "UNKNOWN", "NO UPDATE", "UPDATE AVAILABLE", "INSTALLING");
+
+const LogString *update_state_to_string(UpdateState state) {
+  return UpdateStateStrings::get_log_str(static_cast<uint8_t>(state),
+                                         static_cast<uint8_t>(UpdateState::UPDATE_STATE_UNKNOWN));
+}
+
 void UpdateEntity::publish_state() {
   ESP_LOGD(TAG,
            "'%s' >>\n"
diff --git a/esphome/components/update/update_entity.h b/esphome/components/update/update_entity.h
index 8eba78b44b..405346bee4 100644
--- a/esphome/components/update/update_entity.h
+++ b/esphome/components/update/update_entity.h
@@ -27,6 +27,8 @@ enum UpdateState : uint8_t {
   UPDATE_STATE_INSTALLING,
 };
 
+const LogString *update_state_to_string(UpdateState state);
+
 class UpdateEntity : public EntityBase, public EntityBase_DeviceClass {
  public:
   void publish_state();
diff --git a/esphome/components/web_server/web_server.cpp b/esphome/components/web_server/web_server.cpp
index 42219f3aac..dfd602be6b 100644
--- a/esphome/components/web_server/web_server.cpp
+++ b/esphome/components/web_server/web_server.cpp
@@ -29,6 +29,10 @@
 #include "esphome/components/climate/climate.h"
 #endif
 
+#ifdef USE_UPDATE
+#include "esphome/components/update/update_entity.h"
+#endif
+
 #ifdef USE_WATER_HEATER
 #include "esphome/components/water_heater/water_heater.h"
 #endif
@@ -2104,19 +2108,6 @@ std::string WebServer::event_json_(event::Event *obj, StringRef event_type, Json
 #endif
 
 #ifdef USE_UPDATE
-static const LogString *update_state_to_string(update::UpdateState state) {
-  switch (state) {
-    case update::UPDATE_STATE_NO_UPDATE:
-      return LOG_STR("NO UPDATE");
-    case update::UPDATE_STATE_AVAILABLE:
-      return LOG_STR("UPDATE AVAILABLE");
-    case update::UPDATE_STATE_INSTALLING:
-      return LOG_STR("INSTALLING");
-    default:
-      return LOG_STR("UNKNOWN");
-  }
-}
-
 void WebServer::on_update(update::UpdateEntity *obj) {
   this->events_.deferrable_send_state(obj, "state", update_state_json_generator);
 }
@@ -2158,7 +2149,7 @@ std::string WebServer::update_json_(update::UpdateEntity *obj, JsonDetail start_
   JsonObject root = builder.root();
 
   char buf[PSTR_LOCAL_SIZE];
-  set_json_icon_state_value(root, obj, "update", PSTR_LOCAL(update_state_to_string(obj->state)),
+  set_json_icon_state_value(root, obj, "update", PSTR_LOCAL(update::update_state_to_string(obj->state)),
                             obj->update_info.latest_version, start_config);
   if (start_config == DETAIL_ALL) {
     root[ESPHOME_F("current_version")] = obj->update_info.current_version;