diff --git a/.travis.yml b/.travis.yml
index 351cf755..1fea4316 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,6 +13,7 @@ addons:
 before_install:
   - createdb template_postgis
   - psql -c "CREATE EXTENSION postgis" template_postgis
+  - psql -c "CREATE EXTENSION plpython" template_postgis
 
 env:
   - NPROCS=1 JOBS=1 PGUSER=postgres