diff --git a/esphome/components/number/__init__.py b/esphome/components/number/__init__.py
index 07164be5c..ecc2ab2ee 100644
--- a/esphome/components/number/__init__.py
+++ b/esphome/components/number/__init__.py
@@ -62,6 +62,7 @@ from esphome.const import (
     DEVICE_CLASS_VOLATILE_ORGANIC_COMPOUNDS_PARTS,
     DEVICE_CLASS_VOLTAGE,
     DEVICE_CLASS_VOLUME,
+    DEVICE_CLASS_VOLUME_FLOW_RATE,
     DEVICE_CLASS_VOLUME_STORAGE,
     DEVICE_CLASS_WATER,
     DEVICE_CLASS_WEIGHT,
@@ -117,6 +118,7 @@ DEVICE_CLASSES = [
     DEVICE_CLASS_VOLATILE_ORGANIC_COMPOUNDS_PARTS,
     DEVICE_CLASS_VOLTAGE,
     DEVICE_CLASS_VOLUME,
+    DEVICE_CLASS_VOLUME_FLOW_RATE,
     DEVICE_CLASS_VOLUME_STORAGE,
     DEVICE_CLASS_WATER,
     DEVICE_CLASS_WEIGHT,
diff --git a/esphome/components/sensor/__init__.py b/esphome/components/sensor/__init__.py
index b3bf53369..46295fe95 100644
--- a/esphome/components/sensor/__init__.py
+++ b/esphome/components/sensor/__init__.py
@@ -82,6 +82,7 @@ from esphome.const import (
     DEVICE_CLASS_VOLATILE_ORGANIC_COMPOUNDS_PARTS,
     DEVICE_CLASS_VOLTAGE,
     DEVICE_CLASS_VOLUME,
+    DEVICE_CLASS_VOLUME_FLOW_RATE,
     DEVICE_CLASS_VOLUME_STORAGE,
     DEVICE_CLASS_WATER,
     DEVICE_CLASS_WEIGHT,
@@ -141,6 +142,7 @@ DEVICE_CLASSES = [
     DEVICE_CLASS_VOLATILE_ORGANIC_COMPOUNDS_PARTS,
     DEVICE_CLASS_VOLTAGE,
     DEVICE_CLASS_VOLUME,
+    DEVICE_CLASS_VOLUME_FLOW_RATE,
     DEVICE_CLASS_VOLUME_STORAGE,
     DEVICE_CLASS_WATER,
     DEVICE_CLASS_WEIGHT,
diff --git a/esphome/const.py b/esphome/const.py
index a95d1d5ac..8f9606c5f 100644
--- a/esphome/const.py
+++ b/esphome/const.py
@@ -1082,6 +1082,7 @@ DEVICE_CLASS_VOLATILE_ORGANIC_COMPOUNDS = "volatile_organic_compounds"
 DEVICE_CLASS_VOLATILE_ORGANIC_COMPOUNDS_PARTS = "volatile_organic_compounds_parts"
 DEVICE_CLASS_VOLTAGE = "voltage"
 DEVICE_CLASS_VOLUME = "volume"
+DEVICE_CLASS_VOLUME_FLOW_RATE = "volume_flow_rate"
 DEVICE_CLASS_VOLUME_STORAGE = "volume_storage"
 DEVICE_CLASS_WATER = "water"
 DEVICE_CLASS_WEIGHT = "weight"