diff --git a/make/projects-dir.mk b/make/projects-dir.mk
index 3ec41a43..dc0ab45d 100644
--- a/make/projects-dir.mk
+++ b/make/projects-dir.mk
@@ -240,6 +240,9 @@ cloc:
 pkg-manager-refresh:
 	$(PKG_MANAGER) refresh
 
+pkg-manager-dup:
+	$(PKG_MANAGER) dup
+
 pkg-install-build-deps:
 	$(PKG_MANAGER) install $(BASE_PKGS) $(shell $(JW_PKG_PY_PROJECTS) required-os-pkg --quote --skip-excluded --flavours build $(TARGET_PROJECTS))