diff --git a/ci/generate_cache_install.sh b/ci/generate_cache_install.sh
index ab2b80c9c0..579b4c650e 100755
--- a/ci/generate_cache_install.sh
+++ b/ci/generate_cache_install.sh
@@ -25,7 +25,7 @@ travis_retry() {
 if [ "$TRAVIS_OS_NAME" = "linux" ] ; 
 then 
   travis_retry sudo apt-get update
-  travis_retry sudo apt-get install git libglew-dev freeglut3 freeglut3-dev libgcrypt11-dev zlib1g-dev g++ libssl-dev nasm autoconf libyaml-dev cmake  gdb
+  travis_retry sudo apt-get install git libglew-dev freeglut3 freeglut3-dev libgcrypt11-dev zlib1g-dev g++ libssl-dev nasm autoconf libyaml-dev cmake gdb quilt
 fi
 
 if [ "$TRAVIS_OS_NAME" = "osx" ] ;