diff --git a/.travis.yml b/.travis.yml
index df87e00dd45deef175680e5be134df2e951f8368..52f1bb7a6ccaa6284be6e27aadcf2b41581d7660 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 dist: trusty
 
 before_install:
-  - sudo apt-get install coreutils realpath doxygen graphviz python-lesscpy cppcheck coccinelle pcregrep
+  - sudo apt-get install coreutils realpath doxygen graphviz python-lesscpy cppcheck coccinelle pcregrep python3-flake8
 
 script:
   - make static-test