diff --git a/ci/build-2-install.sh b/ci/build-2-install.sh
index f5955fc..41c7d4b 100755
--- a/ci/build-2-install.sh
+++ b/ci/build-2-install.sh
@@ -18,4 +18,6 @@ uname -a
 mount
 sudo setcap cap_net_raw+ep src/fping
 sudo setcap cap_net_raw+ep src/fping6
+
+sudo apt-get install strace
 sudo strace setcap cap_net_raw+ep src/fping