diff --git a/docs/testsuite b/docs/testsuite
index 00beacb1..795be042 100644
--- a/docs/testsuite
+++ b/docs/testsuite
@@ -82,6 +82,8 @@ The tests additionally require +Xephyr(1)+ to run a nested X server. Install
 $ cd ~/i3/testcases
 $ sudo apt-get install cpanminus
 $ sudo cpanm .
+$ cd ~/i3/AnyEvent-I3
+$ sudo cpanm .
 --------------------------------------------------------------------------------
 
 If you don’t want to use cpanminus for some reason, the same works with cpan:
@@ -90,6 +92,8 @@ If you don’t want to use cpanminus for some reason, the same works with cpan:
 --------------------------------------------------------------------------------
 $ cd ~/i3/testcases
 $ sudo cpan .
+$ cd ~/i3/AnyEvent-I3
+$ sudo cpan .
 --------------------------------------------------------------------------------
 
 In case you don’t have root permissions, you can also install into your home