diff --git a/build.gradle b/build.gradle
index f7fa280..2a96c29 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,7 +6,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.2.0'
+        classpath 'com.android.tools.build:gradle:4.2.2'
     }
 }
 
diff --git a/usbSerialExamples/build.gradle b/usbSerialExamples/build.gradle
index 404096a..0e8a05c 100644
--- a/usbSerialExamples/build.gradle
+++ b/usbSerialExamples/build.gradle
@@ -27,6 +27,6 @@ android {
 
 dependencies {
     implementation project(':usbSerialForAndroid')
-    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'androidx.appcompat:appcompat:1.3.0'
     implementation 'com.google.android.material:material:1.3.0'
 }
diff --git a/usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/FtdiSerialDriver.java b/usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/FtdiSerialDriver.java
index dbbc01c..5f88d32 100644
--- a/usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/FtdiSerialDriver.java
+++ b/usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/FtdiSerialDriver.java
@@ -128,7 +128,8 @@ public class FtdiSerialDriver implements UsbSerialDriver {
                 throw new IOException("Could not get device descriptors");
             }
             int deviceType = rawDescriptors[13];
-            baudRateWithPort = deviceType == 7 || deviceType == 8 || deviceType == 9; // ...H devices
+            baudRateWithPort = deviceType == 7 || deviceType == 8 || deviceType == 9 // ...H devices
+                    || mDevice.getInterfaceCount() > 1; // FT2232C
         }
 
         @Override