diff --git a/cpp/README b/cpp/README
index c46fa3351..5e756a161 100644
--- a/cpp/README
+++ b/cpp/README
@@ -14,7 +14,7 @@ libphonenumber library directly.
 
 Installing the binary packages:
   - Use this if you just need to use or link against the library:
-    $ sudo apt-get install libphonenumber6 libphonenumber6-dev
+    $ sudo apt-get install libphonenumber8 libphonenumber-dev
 
 Installing the source package:
   - Use this if you wish to develop or debug the library: