diff --git a/app/build.gradle b/app/build.gradle
index ce96e1a9..813af5de 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -7,8 +7,8 @@ android {
         applicationId = 'com.tutpro.baresip'
         minSdkVersion 21
         targetSdkVersion 30
-        versionCode = 171
-        versionName = '31.2.0'
+        versionCode = 172
+        versionName = '31.2.1'
         externalNativeBuild {
             cmake {
                 cFlags '-DHAVE_INTTYPES_H'
@@ -48,7 +48,7 @@ dependencies {
     implementation 'androidx.appcompat:appcompat:1.3.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
-    implementation 'com.google.android.material:material:1.3.0'
+    implementation 'com.google.android.material:material:1.4.0'
     implementation 'androidx.cardview:cardview:1.0.0'
     implementation 'androidx.localbroadcastmanager:localbroadcastmanager:1.0.0'
     implementation "androidx.swiperefreshlayout:swiperefreshlayout:1.1.0"