diff --git a/debian/rules b/debian/rules
index 14be9c13b476e3394ae1dd77f6726051309ce6b9..c4e2d709bf6f604434d4f695a55de4daefd549cc 100755
--- a/debian/rules
+++ b/debian/rules
@@ -27,8 +27,7 @@
 include /usr/share/dpkg/pkg-info.mk
 
 PYTHON_VERSIONS := $(shell py3versions --installed)
-RUBY_VERSIONS   := $(shell find /usr/bin/ -name 'ruby[12]*' \
-			| xargs -n1 readlink -f | xargs -n1 basename)
+RUBY_VERSIONS   := $(shell dh_ruby --print-supported)
 
 # Determine the number of builds needed due to script language version
 # variants