diff --git a/manifest.yml b/manifest.yml
index 00f3056..dd3f939 100644
--- a/manifest.yml
+++ b/manifest.yml
@@ -3,4 +3,5 @@ dependencies:
   python:
     - pygobject
   system:
-  apt-get: libcairo-dev
+    - apt-get:
+        libcairo-dev