diff --git a/pre_cache_action.sh b/pre_cache_action.sh
index 1cc41e9..1917b2e 100755
--- a/pre_cache_action.sh
+++ b/pre_cache_action.sh
@@ -37,7 +37,7 @@ log "done."
 versioned_packages=""
 log -n "Verifying packages..."
 for package in ${packages}; do 
-  if test ! "$(apt-get show "${package}")"; then
+  if test ! "$(apt show "${package}")"; then
     echo "aborted."
     log "Package '${package}' not found." >&2
     exit 3