diff --git a/libraries/AP_Baro/AP_Baro_BMP085.h b/libraries/AP_Baro/AP_Baro_BMP085.h
index 454033ed11..9be1ba11d8 100644
--- a/libraries/AP_Baro/AP_Baro_BMP085.h
+++ b/libraries/AP_Baro/AP_Baro_BMP085.h
@@ -16,7 +16,7 @@ public:
     AP_Baro_BMP085(AP_Baro &baro, AP_HAL::OwnPtr<AP_HAL::Device> dev);
 
     /* AP_Baro public interface: */
-    void update();
+    void update() override;
 
     static AP_Baro_Backend *probe(AP_Baro &baro, AP_HAL::OwnPtr<AP_HAL::Device> dev);
 
diff --git a/libraries/AP_Baro/AP_Baro_BMP280.h b/libraries/AP_Baro/AP_Baro_BMP280.h
index a1075c0b08..f8869c1a10 100644
--- a/libraries/AP_Baro/AP_Baro_BMP280.h
+++ b/libraries/AP_Baro/AP_Baro_BMP280.h
@@ -19,7 +19,7 @@ public:
     AP_Baro_BMP280(AP_Baro &baro, AP_HAL::OwnPtr<AP_HAL::Device> dev);
 
     /* AP_Baro public interface: */
-    void update();
+    void update() override;
 
     static AP_Baro_Backend *probe(AP_Baro &baro, AP_HAL::OwnPtr<AP_HAL::Device> dev);
 
diff --git a/libraries/AP_Baro/AP_Baro_DPS280.h b/libraries/AP_Baro/AP_Baro_DPS280.h
index 35c7b1c2ee..a72ab294b4 100644
--- a/libraries/AP_Baro/AP_Baro_DPS280.h
+++ b/libraries/AP_Baro/AP_Baro_DPS280.h
@@ -18,7 +18,7 @@ public:
     AP_Baro_DPS280(AP_Baro &baro, AP_HAL::OwnPtr<AP_HAL::Device> dev);
 
     /* AP_Baro public interface: */
-    void update();
+    void update() override;
 
     static AP_Baro_Backend *probe(AP_Baro &baro, AP_HAL::OwnPtr<AP_HAL::Device> dev);
 
diff --git a/libraries/AP_Baro/AP_Baro_FBM320.h b/libraries/AP_Baro/AP_Baro_FBM320.h
index b538d9e85c..55d36858a1 100644
--- a/libraries/AP_Baro/AP_Baro_FBM320.h
+++ b/libraries/AP_Baro/AP_Baro_FBM320.h
@@ -19,7 +19,7 @@ public:
     AP_Baro_FBM320(AP_Baro &baro, AP_HAL::OwnPtr<AP_HAL::Device> dev);
 
     /* AP_Baro public interface: */
-    void update();
+    void update() override;
 
     static AP_Baro_Backend *probe(AP_Baro &baro, AP_HAL::OwnPtr<AP_HAL::Device> dev);
 
diff --git a/libraries/AP_Baro/AP_Baro_HIL.h b/libraries/AP_Baro/AP_Baro_HIL.h
index f062b88c0f..0d0811bc88 100644
--- a/libraries/AP_Baro/AP_Baro_HIL.h
+++ b/libraries/AP_Baro/AP_Baro_HIL.h
@@ -10,7 +10,7 @@ class AP_Baro_HIL : public AP_Baro_Backend
 {
 public:
     AP_Baro_HIL(AP_Baro &baro);
-    void update(void);
+    void update(void) override;
 
 private:
     uint8_t _instance;
diff --git a/libraries/AP_Baro/AP_Baro_ICM20789.h b/libraries/AP_Baro/AP_Baro_ICM20789.h
index b9a1ebe41a..f4dea7a0a1 100644
--- a/libraries/AP_Baro/AP_Baro_ICM20789.h
+++ b/libraries/AP_Baro/AP_Baro_ICM20789.h
@@ -15,7 +15,7 @@
 class AP_Baro_ICM20789 : public AP_Baro_Backend
 {
 public:
-    void update();
+    void update() override;
 
     static AP_Baro_Backend *probe(AP_Baro &baro, AP_HAL::OwnPtr<AP_HAL::I2CDevice> dev, AP_HAL::OwnPtr<AP_HAL::Device> dev_imu);
     
diff --git a/libraries/AP_Baro/AP_Baro_KellerLD.h b/libraries/AP_Baro/AP_Baro_KellerLD.h
index 29c824a40d..c14a75856d 100644
--- a/libraries/AP_Baro/AP_Baro_KellerLD.h
+++ b/libraries/AP_Baro/AP_Baro_KellerLD.h
@@ -38,7 +38,7 @@
 class AP_Baro_KellerLD : public AP_Baro_Backend
 {
 public:
-    void update();
+    void update() override;
 
     static AP_Baro_Backend *probe(AP_Baro &baro, AP_HAL::OwnPtr<AP_HAL::Device> dev);
 
diff --git a/libraries/AP_Baro/AP_Baro_LPS2XH.h b/libraries/AP_Baro/AP_Baro_LPS2XH.h
index 028f17d86d..969a55e537 100644
--- a/libraries/AP_Baro/AP_Baro_LPS2XH.h
+++ b/libraries/AP_Baro/AP_Baro_LPS2XH.h
@@ -24,7 +24,7 @@ public:
     AP_Baro_LPS2XH(AP_Baro &baro, AP_HAL::OwnPtr<AP_HAL::Device> dev);
 
     /* AP_Baro public interface: */
-    void update();
+    void update() override;
 
     static AP_Baro_Backend *probe(AP_Baro &baro, AP_HAL::OwnPtr<AP_HAL::Device> dev);
     static AP_Baro_Backend *probe_InvensenseIMU(AP_Baro &baro, AP_HAL::OwnPtr<AP_HAL::Device> dev, uint8_t imu_address);
diff --git a/libraries/AP_Baro/AP_Baro_MS5611.h b/libraries/AP_Baro/AP_Baro_MS5611.h
index b406e6f36c..6e79616dbd 100644
--- a/libraries/AP_Baro/AP_Baro_MS5611.h
+++ b/libraries/AP_Baro/AP_Baro_MS5611.h
@@ -29,7 +29,7 @@
 class AP_Baro_MS56XX : public AP_Baro_Backend
 {
 public:
-    void update();
+    void update() override;
 
     enum MS56XX_TYPE {
         BARO_MS5611 = 0,