diff --git a/tasks/prepare.yml b/tasks/prepare.yml
index de874f791ff80c4e6b2d4d197b31773b3e287d12..48c07fd4622c150bf2f998155a522d23a1c0fdfa 100644
--- a/tasks/prepare.yml
+++ b/tasks/prepare.yml
@@ -18,6 +18,7 @@
     - 'uuid-dev'
     - 'python-dev'
     - 'python-yaml'
+    - 'python3-dev'
     - 'librsync-dev'
 
 - name: "Remove existing components"