diff --git a/Makefile b/Makefile
index 0f10f330da..1276fa59ca 100644
--- a/Makefile
+++ b/Makefile
@@ -29,7 +29,7 @@ update-admin-pip-requirements:  ## Update admin requirements.
 .PHONY: update-python3-requirements
 update-python3-requirements:  ## Update Python 3 requirements with pip-compile.
 	@echo "███ Updating Python 3 requirements files..."
-	@$(SDBIN)/update-requirements
+	@SLIM_BUILD=1 $(DEVSHELL) $(SDBIN)/update-requirements
 
 .PHONY: update-pip-requirements
 update-pip-requirements: update-admin-pip-requirements update-python3-requirements ## Update all requirements with pip-compile.