diff --git a/esphome/components/api/api_connection.cpp b/esphome/components/api/api_connection.cpp
index 5a7994a322..199284b59f 100644
--- a/esphome/components/api/api_connection.cpp
+++ b/esphome/components/api/api_connection.cpp
@@ -1534,6 +1534,13 @@ bool APIConnection::send_hello_response_(const HelloRequest &msg) {
   ESP_LOGV(TAG, "Hello from client: '%s' | %s | API Version %" PRIu16 ".%" PRIu16, this->helper_->get_client_name(),
            this->helper_->get_peername_to(peername), this->client_api_version_major_, this->client_api_version_minor_);
 
+  if (!this->client_supports_api_version(1, 14)) {
+    ESP_LOGW(TAG,
+             "Client '%s' is using API version %" PRIu16 ".%" PRIu16
+             " which is outdated. Update the client to a version that supports API 1.14",
+             this->helper_->get_client_name(), this->client_api_version_major_, this->client_api_version_minor_);
+  }
+
   HelloResponse resp;
   resp.api_version_major = 1;
   resp.api_version_minor = 14;