diff --git a/.travis.yml b/.travis.yml
index c2a88a6..0113cd4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,7 @@ addons:
 before_install:
   #- sudo apt-get install -q postgresql-9.3-postgis-2.1
   - sudo apt-get install -q postgresql-server-dev-9.3
+  - sudo apt-get install -q postgresql-plpython-9.3
   # Install schema_triggers
   - hg clone https://bitbucket.org/malloclabs/pg_schema_triggers &&
     cd pg_schema_triggers && make && sudo make install && cd -