diff --git a/.idea/runConfigurations.xml b/.idea/runConfigurations.xml
deleted file mode 100644
index e497da9..0000000
--- a/.idea/runConfigurations.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="RunConfigurationProducerService">
-    <option name="ignoredProducers">
-      <set>
-        <option value="com.android.tools.idea.compose.preview.runconfiguration.ComposePreviewRunConfigurationProducer" />
-        <option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
-        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
-        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
-      </set>
-    </option>
-  </component>
-</project>
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
index 2a96c29..ba4f699 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,7 +6,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.2.2'
+        classpath 'com.android.tools.build:gradle:7.0.0'
     }
 }
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index de3e6ac..ff912a2 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.7.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.0.2-all.zip
diff --git a/usbSerialExamples/build.gradle b/usbSerialExamples/build.gradle
index 0e8a05c..4d2ede9 100644
--- a/usbSerialExamples/build.gradle
+++ b/usbSerialExamples/build.gradle
@@ -27,6 +27,6 @@ android {
 
 dependencies {
     implementation project(':usbSerialForAndroid')
-    implementation 'androidx.appcompat:appcompat:1.3.0'
-    implementation 'com.google.android.material:material:1.3.0'
+    implementation 'androidx.appcompat:appcompat:1.3.1'
+    implementation 'com.google.android.material:material:1.4.0'
 }
diff --git a/usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/UsbId.java b/usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/UsbId.java
index bd32918..c67e92a 100644
--- a/usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/UsbId.java
+++ b/usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/UsbId.java
@@ -53,8 +53,8 @@ public final class UsbId {
     public static final int PROLIFIC_PL2303 = 0x2303;   // device type 01, T, HX
     public static final int PROLIFIC_PL2303GC = 0x23a3; // device type HXN
     public static final int PROLIFIC_PL2303GB = 0x23b3; // "
-    public static final int PROLIFIC_PL2303GT = 0x23cd; // "
-    public static final int PROLIFIC_PL2303GL = 0x23e3; // "
+    public static final int PROLIFIC_PL2303GT = 0x23c3; // "
+    public static final int PROLIFIC_PL2303GL = 0x23d3; // "
     public static final int PROLIFIC_PL2303GE = 0x23e3; // "
     public static final int PROLIFIC_PL2303GS = 0x23f3; // "