diff --git a/.travis.yml b/.travis.yml
index 3646e8f..e511c47 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -36,7 +36,7 @@
   # https://docs.travis-ci.com/user/common-build-problems/#build-times-out-because-no-output-was-received
   # adding `travis_wait` because kerl building in the docker file takes >10 min for building erlang
   # without printing to stdout, resulting in build failures
-  - if [[ `uname` == "Linux" ]]; then travis_wait 45 build/docker/refresh.sh; fi
+  - if [[ `uname` == "Linux" ]]; then travis_wait 40 build/docker/refresh.sh; fi
 
 stages:
   - docker    # docker images