diff --git a/.travis.yml b/.travis.yml
index 69ba4d1535..1c8abd7b40 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -32,8 +32,8 @@ before_install:
 install:
   - if [[ $OSX ]]; then brew install icu4c pango; brew link --force gettext; fi
   - if [[ $OSX ]]; then export ICU_ROOT=/usr/local/opt/icu4c ; fi
-  - wget --no-check-certificate https://www.cmake.org/files/v3.4/cmake-3.4.1-Linux-x86_64.sh
-  - sudo sh cmake-3.4.1-Linux-x86_64.sh --skip-license --prefix=/usr
+  - wget https://www.cmake.org/files/v3.6/cmake-3.6.1-Linux-x86_64.sh
+  - sudo sh cmake-3.6.1-Linux-x86_64.sh --skip-license --prefix=/usr
   - wget -O leptonica.zip https://github.com/DanBloomberg/leptonica/archive/v$LEPT_VER.zip
   - unzip leptonica.zip -d .
   - cmake -Hleptonica-$LEPT_VER -Bleptonica-$LEPT_VER/build