diff --git a/.travis.yml b/.travis.yml
index f7f0d8a4c4..ed5fcf07e8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,11 +4,16 @@ dist: trusty
 addons:
   apt:
     packages:
+    - gettext
+    - libcurl4-openssl-dev
+    - libicu-dev
+    - libssl-dev
     - libunwind8
-before_install:
-  - if test "$TRAVIS_OS_NAME" == "osx"; then brew update; brew install nginx; brew install openssl; ln -s /usr/local/opt/openssl/lib/libcrypto.1.0.0.dylib /usr/local/lib/; ln -s /usr/local/opt/openssl/lib/libssl.1.0.0.dylib /usr/local/lib/; else ./install-nginx.sh; fi
-install:
-  - export PATH="$PATH:$HOME/nginxinstall/sbin/"
+    - zlib1g
+env:
+  global:
+    - DOTNET_SKIP_FIRST_TIME_EXPERIENCE: true
+    - DOTNET_CLI_TELEMETRY_OPTOUT: 1
 mono:
   - 4.0.5
 os:
@@ -21,6 +26,9 @@ branches:
     - release
     - dev
     - /^(.*\/)?ci-.*$/
+before_install:
+  - if test "$TRAVIS_OS_NAME" == "osx"; then brew update; brew install openssl nginx; ln -s /usr/local/opt/openssl/lib/libcrypto.1.0.0.dylib /usr/local/lib/; ln -s /usr/local/opt/openssl/lib/libssl.1.0.0.dylib /usr/local/lib/; else ./install-nginx.sh; fi
+install:
+  - export PATH="$PATH:$HOME/nginxinstall/sbin/"
 script:
   - ./build.sh --quiet verify
-