diff --git a/.travis.yml b/.travis.yml
index 6ac5202..dc33aff 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,7 @@
 - gcc
 sudo: false
 before_install:
-- wget http://cmake.org/files/v3.3/cmake-3.3.1-Linux-x86_64.tar.gz  -O /tmp/cmake.tar.gz
+- wget http://cmake.org/files/v3.3/cmake-3.3.1-Linux-x86_64.tar.gz  -O /tmp/cmake.tar.gz --no-check-certificate --debug
 - tar xzf /tmp/cmake.tar.gz
 - export PATH=$PWD/cmake-3.3.1-Linux-x86_64/bin/:$PATH
 script: