diff --git a/.travis.yml b/.travis.yml
index 1e7d054a0a..984c02aacc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -40,7 +40,7 @@ before_install:
   # install dependencies for the coverity build (target and branch), otherwise exit early
   - if [[ "${TRAVIS_BRANCH}" = "coverity_scan" ]]; then
       if [[ "${BUILD_TARGET}" = "coverity_scan" ]]; then
-        sudo apt-get install python-empy python-jinja2;
+        sudo apt-get install python-empy python-jinja2 python-toml python-numpy;
         echo -n | openssl s_client -connect scan.coverity.com:443 | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' | sudo tee -a /etc/ssl/certs/ca-;
       else
         exit 0;