diff --git a/README.md b/README.md
index 3a79954..f58714d 100644
--- a/README.md
+++ b/README.md
@@ -224,6 +224,8 @@ Supported sensors (sensor_type) for meters:
 - `multical21`
   - total_water_m3
   - target_water_m3
+  - flow_temperature_c (depends on meter configuration)
+  - external_temperature_c (depends on meter configuration)
 - `qheat`
   - total_energy_consumption_kwh
 - `qwater`
diff --git a/components/wmbus/__init__.py b/components/wmbus/__init__.py
index 84a050d..9c0c610 100755
--- a/components/wmbus/__init__.py
+++ b/components/wmbus/__init__.py
@@ -127,5 +127,5 @@ async def to_code(config):
     cg.add_library(
         None,
         None,
-        "https://github.com/SzczepanLeon/wmbus-drivers#1.3.12",
+        "https://github.com/SzczepanLeon/wmbus-drivers#1.3.13",
     )
diff --git a/components/wmbus/sensor/__init__.py b/components/wmbus/sensor/__init__.py
index 280fab1..41469fe 100755
--- a/components/wmbus/sensor/__init__.py
+++ b/components/wmbus/sensor/__init__.py
@@ -310,6 +310,13 @@ def my_key(value):
             state_class=STATE_CLASS_MEASUREMENT,
             icon="mdi:coolant-temperature",
         ),
+        cv.Optional("external_temperature_c"): sensor.sensor_schema(
+            accuracy_decimals=0,
+            unit_of_measurement=UNIT_CELSIUS,
+            device_class=DEVICE_CLASS_TEMPERATURE,
+            state_class=STATE_CLASS_MEASUREMENT,
+            icon="mdi:thermometer",
+        ),
         cv.Optional("voltage_at_phase_1_v"): sensor.sensor_schema(
             accuracy_decimals=0,
             unit_of_measurement=UNIT_VOLT,
diff --git a/components/wmbus/version.h b/components/wmbus/version.h
index 1d0be59..2a0e1b1 100755
--- a/components/wmbus/version.h
+++ b/components/wmbus/version.h
@@ -1,3 +1,3 @@
 #ifndef MY_VERSION
-#define MY_VERSION "3.2.2"
+#define MY_VERSION "3.2.3"
 #endif