diff --git a/app/witness-verifications.gradle b/app/witness-verifications.gradle
index 931d2fb46..de1d39568 100644
--- a/app/witness-verifications.gradle
+++ b/app/witness-verifications.gradle
@@ -288,8 +288,8 @@ dependencyVerification {
         ['com.googlecode.ez-vcard:ez-vcard:0.9.11',
          '7e24ad50b222d2f70ac91bdccfa3c0f6200b078d797cb784837f75e77bb4210f'],
 
-        ['com.googlecode.libphonenumber:libphonenumber:8.10.7',
-         'dbf4bf566d17a60044c19e282a619684e4b4abb0f9f9f24f843c55d19826ab5e'],
+        ['com.googlecode.libphonenumber:libphonenumber:8.11.0',
+         '833ec343e55a6910daca392af76f8e09caaab9c4e3f41ded83f4746e7ef389c7'],
 
         ['com.jpardogo.materialtabstrip:library:1.0.9',
          'c6ef812fba4f74be7dc4a905faa4c2908cba261a94c13d4f96d5e67e4aad4aaa'],
diff --git a/libsignal/service/build.gradle b/libsignal/service/build.gradle
index 6be238d25..a00ec3d55 100644
--- a/libsignal/service/build.gradle
+++ b/libsignal/service/build.gradle
@@ -28,7 +28,7 @@ repositories {
 
 dependencies {
     implementation 'com.google.protobuf:protobuf-javalite:3.10.0'
-    api 'com.googlecode.libphonenumber:libphonenumber:8.10.7'
+    api 'com.googlecode.libphonenumber:libphonenumber:8.11.0'
     api 'com.fasterxml.jackson.core:jackson-databind:2.9.9.2'
 
     api "org.signal:signal-metadata-java:${lib_signal_metadata_version}"
diff --git a/libsignal/service/witness-verifications.gradle b/libsignal/service/witness-verifications.gradle
index bb0b2253e..8d906da06 100644
--- a/libsignal/service/witness-verifications.gradle
+++ b/libsignal/service/witness-verifications.gradle
@@ -15,8 +15,8 @@ dependencyVerification {
         ['com.google.protobuf:protobuf-javalite:3.10.0',
          '215a94dbe100130295906b531bb72a26965c7ac8fcd9a75bf8054a8ac2abf4b4'],
 
-        ['com.googlecode.libphonenumber:libphonenumber:8.10.7',
-         'dbf4bf566d17a60044c19e282a619684e4b4abb0f9f9f24f843c55d19826ab5e'],
+        ['com.googlecode.libphonenumber:libphonenumber:8.11.0',
+         '833ec343e55a6910daca392af76f8e09caaab9c4e3f41ded83f4746e7ef389c7'],
 
         ['com.squareup.okhttp3:okhttp:3.12.1',
          '07c3d82ca7eaf4722f00b2da807dc7860f6169ae60cfedcf5d40218f90880a46'],