diff --git a/matrix-sdk-android/build.gradle b/matrix-sdk-android/build.gradle
index 8ff16cb159..45f3a00688 100644
--- a/matrix-sdk-android/build.gradle
+++ b/matrix-sdk-android/build.gradle
@@ -166,7 +166,7 @@ dependencies {
     implementation 'com.facebook.stetho:stetho-okhttp3:1.5.1'
 
     // Phone number https://github.com/google/libphonenumber
-    implementation 'com.googlecode.libphonenumber:libphonenumber:8.10.23'
+    implementation 'com.googlecode.libphonenumber:libphonenumber:8.12.18'
 
     testImplementation 'junit:junit:4.13.2'
     testImplementation 'org.robolectric:robolectric:4.3'
diff --git a/vector/build.gradle b/vector/build.gradle
index fe7fd5094b..0fc62d4cdb 100644
--- a/vector/build.gradle
+++ b/vector/build.gradle
@@ -338,7 +338,7 @@ dependencies {
     implementation 'com.facebook.stetho:stetho:1.5.1'
 
     // Phone number https://github.com/google/libphonenumber
-    implementation 'com.googlecode.libphonenumber:libphonenumber:8.10.23'
+    implementation 'com.googlecode.libphonenumber:libphonenumber:8.12.18'
 
     // rx
     implementation 'io.reactivex.rxjava2:rxkotlin:2.3.0'