diff --git a/build_package.sh b/build_package.sh
index c1fd979..bb6d540 100644
--- a/build_package.sh
+++ b/build_package.sh
@@ -4,7 +4,7 @@ if [ "$TRAVIS_OS_NAME" = "osx" ] ; then
     bash -x build_macos_binary.sh
 elif [ "$TRAVIS_OS_NAME" = "linux" ] ; then
     sudo apt -qq update
-    sudo apt install -y fakeroot
+    sudo apt install -y fakeroot libczmq-dev
 
     bash -x build_deb_package.sh
 fi