diff --git a/README.md b/README.md
index 09d54f3..179d9fe 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,7 @@ A very simple AUR/ABS helper. Doesn't build packages, only gets the sources.
 	          -A        Search only in AUR. Implies -s.
 	        -d        Get the package sources (default). Set twice to also get the dependencies.
 	          -n      Don't update existing git repos.
+	        -U        Print out all outdated AUR packages.
 	        -w <dir>  Set the working directory.
 	        --nossl   Set curl's --insecure flag.
 
diff --git a/prm b/prm
index 3273c9d..579e593 100755
--- a/prm
+++ b/prm
@@ -24,6 +24,7 @@ usage() {
 		          -A        Search only in AUR. Implies -s.
 		        -d        Get the package sources (default). Set twice to also get the dependencies.
 		          -n      Don't update existing git repos.
+		        -U        Print out all outdated AUR packages.
 		        -w <dir>  Set the working directory.
 		        --nossl   Set curl's --insecure flag.
 	EOF
@@ -63,6 +64,31 @@ aur.info() {
 	printf '%s' "$pkg_aur_info"
 }
 
+aur.get_updates() {
+	declare -a foreign_packages
+	declare p_aur_info p_localver p_aur_version
+
+	read -d '' -r -a foreign_packages < <( pacman -Qqm )
+
+	for p in "${foreign_packages[@]}"; do
+		unset p_aur_info
+		read -r p_aur_info < <( aur.info "$p" )
+
+		if [[ "$p_aur_info" ]]; then
+			read -r p_aur_version < <(
+				jshon -e results -e Version -u <<< "$p_aur_info"
+			)
+
+			read -r _ p_localver < <( pacman -Q "$p" )
+
+
+			if (( $(vercmp "$p_aur_version" "$p_localver") )); then
+				printf '%s\n' "$p"
+			fi
+		fi
+	done
+}
+
 aur.get() {
 	declare i pkg_aur_info pkg_base tarball_path depends makedepends dep_name aur_api_multireq dep_name aur_deps_api_data aur_deps_count aur_deps
 	
@@ -97,7 +123,8 @@ aur.get() {
 		cd "${cfg_workdir}/${pkg_base}"
 
 		read -d '' -r -a depends < <(
-			jshon -e results -e Depends -a -u -p -p -e MakeDepends -a -u <<< "$pkg_aur_info" 2>/dev/null
+			jshon -e results -e Depends -a -u <<< "$pkg_aur_info" 2>/dev/null
+			jshon -e results -e MakeDepends -a -u <<< "$pkg_aur_info" 2>/dev/null
 		)
 
 		for i in "${depends[@]}"; do
@@ -198,6 +225,9 @@ main() {
 				cfg_aur_url="$2"
 				shift;;
 
+			(-U)
+				action='update';;
+
 			(-d)
 				if [[ "$action" == 'get' ]]; then
 					flag_get_deps=1
@@ -238,9 +268,9 @@ main() {
 
 	if [[ "$1" ]]; then
 		package="$1"
-	else
-		usage
-		return 1
+#	else
+#		usage
+#		return 1
 	fi
 
 	case "$action" in
@@ -302,6 +332,10 @@ main() {
 				fi
 			fi
 		;;
+
+		(update)
+			aur.get_updates
+		;;
 	esac
 }