diff --git a/matrix-sdk-android/build.gradle b/matrix-sdk-android/build.gradle
index e30b63e751..90be941b6f 100644
--- a/matrix-sdk-android/build.gradle
+++ b/matrix-sdk-android/build.gradle
@@ -169,7 +169,7 @@ dependencies {
     implementation 'com.otaliastudios:transcoder:0.10.3'
 
     // Phone number https://github.com/google/libphonenumber
-    implementation 'com.googlecode.libphonenumber:libphonenumber:8.12.30'
+    implementation 'com.googlecode.libphonenumber:libphonenumber:8.12.31'
 
     testImplementation 'junit:junit:4.13.2'
     testImplementation 'org.robolectric:robolectric:4.5.1'
diff --git a/vector/build.gradle b/vector/build.gradle
index 6494436c13..a9a3217042 100644
--- a/vector/build.gradle
+++ b/vector/build.gradle
@@ -366,7 +366,7 @@ dependencies {
     implementation 'com.facebook.stetho:stetho:1.6.0'
 
     // Phone number https://github.com/google/libphonenumber
-    implementation 'com.googlecode.libphonenumber:libphonenumber:8.12.30'
+    implementation 'com.googlecode.libphonenumber:libphonenumber:8.12.31'
 
     // rx
     implementation 'io.reactivex.rxjava2:rxkotlin:2.4.0'