diff --git a/manifests/profile/jenkins/tester.pp b/manifests/profile/jenkins/tester.pp
index c0cb8f5d226bb37e2e666a64c8a3a9076f90eb02..f216bc100b237bfe52ecbc6c2642871352e9295c 100644
--- a/manifests/profile/jenkins/tester.pp
+++ b/manifests/profile/jenkins/tester.pp
@@ -50,6 +50,7 @@ class tails::profile::jenkins::tester (
     'python3-opencv',
     'python3-pil',
     'python3-slixmpp',
+    'python3-typeguard',
     'python3-typing-extensions',
     'qemu-system-x86',
     'qrencode',