diff --git a/roles/common/defaults/main.yml b/roles/common/defaults/main.yml
index 11e746f1b1b0033f8b4ff22c57d3e477f1f6ef6c..a13792dab9b7d216427e296eced01dcc515cd924 100644
--- a/roles/common/defaults/main.yml
+++ b/roles/common/defaults/main.yml
@@ -12,6 +12,11 @@ prompt_id: null
 extra_backup_patterns:
   - "/root"
   - "/home"
+pip_check_requirements:
+  - click==6.7
+  - first==2.0.1
+  - pip-tools==1.9.0
+  - six==1.10.0
 
 # Internal use only.
 prompt_colour_mapping: