update config.json
diff --git a/openlane/Makefile b/openlane/Makefile
index a75e140..6c39443 100644
--- a/openlane/Makefile
+++ b/openlane/Makefile
@@ -16,9 +16,7 @@
 MAKEFLAGS+=--warn-undefined-variables
 
 export OPENLANE_RUN_TAG = $(shell date '+%y_%m_%d_%H_%M')
-#OPENLANE_TAG ?= 2021.11.23_01.42.34
-#OPENLANE_TAG ?= 2022.10.10
-OPENLANE_TAG ?= ddfeab57e3e8769ea3d40dda12be0460e09bb6d9
+OPENLANE_TAG ?= 2022.10.19
 OPENLANE_IMAGE_NAME ?= efabless/openlane:$(OPENLANE_TAG)
 designs = $(shell find * -maxdepth 0 -type d)
 current_design = null
@@ -85,9 +83,8 @@
 		echo "Deleting exisiting $(OPENLANE_ROOT)" && \
 		rm -rf $(OPENLANE_ROOT) && sleep 2; \
 		fi
-	git clone https://github.com/The-OpenROAD-Project/OpenLane $(OPENLANE_ROOT) && \
+	git clone https://github.com/The-OpenROAD-Project/OpenLane -b $(OPENLANE_TAG) --depth=1 $(OPENLANE_ROOT) && \
 		cd $(OPENLANE_ROOT) && \
-		git checkout $(OPENLANE_TAG) && \
 		export OPENLANE_IMAGE_NAME=efabless/openlane:$(OPENLANE_TAG) && \
 		export IMAGE_NAME=efabless/openlane:$(OPENLANE_TAG) && \
 		$(MAKE) pull-openlane