diff --git a/travis/linux.sh b/travis/linux.sh
index 8614967..227eeef 100644
--- a/travis/linux.sh
+++ b/travis/linux.sh
@@ -1,11 +1,11 @@
 #!/bin/bash
 
 # Build deps
-sudo add-apt-repository ppa:openjdk-r/ppa
+sudo add-apt-repository ppa:openjdk-r/ppa -y
 sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y
 sudo apt-get update -qq
-sudo apt-get upgrade
-sudo apt-get install gcc-8 g++-8 make gperf openjdk-11 cmake libssl-dev
+sudo apt-get upgrade -y
+sudo apt-get install gcc-8 g++-8 make gperf openjdk-11 cmake libssl-dev -y
 
 # Dirs
 cd src/main/jni