diff --git a/.travis.yml b/.travis.yml
index 44b78b1e..bf04939c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,7 @@ sudo: required
 
 env:
   - ci_distro=ubuntu ci_suite=trusty
-  - ci_docker=debian:jessie ci_distro=debian ci_suite=jessie
+  - ci_docker=debian:jessie-slim ci_distro=debian ci_suite=jessie
   - ci_docker=ubuntu:xenial ci_distro=ubuntu ci_suite=xenial
 
 script: