--- a/debian/rules	2019-08-21 14:18:25.684639715 -0700
--- b/debian/rules	2019-08-21 14:32:41.024401555 -0700
@@ -1,6 +1,8 @@
 #!/usr/bin/make -f
 # -*- makefile -*-
 
+include /usr/share/dpkg/default.mk
+
 # Uncomment this to turn on verbose mode.
 #export DH_VERBOSE=1
 export NODE_PATH=debian/node_modules
@@ -15,6 +17,8 @@
 override_dh_install:
 	dh_components --no-purge
 	dh_components --build_stage install
+	find build -newermt @$(SOURCE_DATE_EPOCH) -print0 | \
+		xargs -0r touch --no-dereference --date=@$(SOURCE_DATE_EPOCH)
 	dh_install
 
 #override_dh_auto_test: