diff --git a/app/witness-verifications.gradle b/app/witness-verifications.gradle
index 5f713b4e8..3ab6bd3a4 100644
--- a/app/witness-verifications.gradle
+++ b/app/witness-verifications.gradle
@@ -432,8 +432,8 @@ dependencyVerification {
         ['com.googlecode.ez-vcard:ez-vcard:0.9.11',
          '7e24ad50b222d2f70ac91bdccfa3c0f6200b078d797cb784837f75e77bb4210f'],
 
-        ['com.googlecode.libphonenumber:libphonenumber:8.12.17',
-         '729483057ef874b01537da8395d67e23b419d504f8ff29ddf5f69da21bf816ac'],
+        ['com.googlecode.libphonenumber:libphonenumber:8.12.33',
+         'eb983d0b10104f5f31592dacf691dde6032139e626bd95ec22e1ae949ef1806d'],
 
         ['com.jpardogo.materialtabstrip:library:1.0.9',
          'c6ef812fba4f74be7dc4a905faa4c2908cba261a94c13d4f96d5e67e4aad4aaa'],
diff --git a/dependencies.gradle b/dependencies.gradle
index 4996531e7..b333a47a5 100644
--- a/dependencies.gradle
+++ b/dependencies.gradle
@@ -52,7 +52,7 @@ dependencyResolutionManagement {
 
             // Google
             alias('google-protobuf-javalite').to('com.google.protobuf:protobuf-javalite:3.11.4')
-            alias('google-libphonenumber').to('com.googlecode.libphonenumber:libphonenumber:8.12.17')
+            alias('google-libphonenumber').to('com.googlecode.libphonenumber:libphonenumber:8.12.33')
             alias('google-play-services-maps').to('com.google.android.gms:play-services-maps:16.1.0')
             alias('google-play-services-auth').to('com.google.android.gms:play-services-auth:16.0.1')
             alias('google-play-services-wallet').to('com.google.android.gms:play-services-wallet:18.1.3')
diff --git a/libsignal/service/witness-verifications.gradle b/libsignal/service/witness-verifications.gradle
index c1eef2383..f2541b273 100644
--- a/libsignal/service/witness-verifications.gradle
+++ b/libsignal/service/witness-verifications.gradle
@@ -15,8 +15,8 @@ dependencyVerification {
         ['com.google.protobuf:protobuf-javalite:3.11.4',
          '8cacea2f7a042dabae295c509dcdbfe32a49aa3708eec6ddb8efd8593aa0b4a3'],
 
-        ['com.googlecode.libphonenumber:libphonenumber:8.12.17',
-         '729483057ef874b01537da8395d67e23b419d504f8ff29ddf5f69da21bf816ac'],
+        ['com.googlecode.libphonenumber:libphonenumber:8.12.33',
+         'eb983d0b10104f5f31592dacf691dde6032139e626bd95ec22e1ae949ef1806d'],
 
         ['com.squareup.okhttp3:okhttp:3.12.13',
          '508234e024ef7e270ab1a6d5b356f5b98e786511239ca986d684fd1e2cf7bc82'],