diff --git a/compiler/tests/Makefile b/compiler/tests/Makefile
index cdef60ca..5801a850 100644
--- a/compiler/tests/Makefile
+++ b/compiler/tests/Makefile
@@ -4,7 +4,8 @@ include $(TOP_DIR)/openram.mk
 .DEFAULT_GOAL := all
 
 ARGS ?=
-TECHS ?= scn4m_subm freepdk45 sky130
+TEST_TECHS ?= scn4m_subm freepdk45
+TECHS ?= scn4m_subm freepdk45 sky130 gf180mcu
 
 TEST_DIR   = $(TOP_DIR)/compiler/tests
 TEST_SRCS  = $(sort $(notdir $(wildcard $(TEST_DIR)/*_test.py)))