update config.json
diff --git a/openlane/tiny_user_project/config.json b/openlane/tiny_user_project/config.json
index a6d955f..e60fc27 100644
--- a/openlane/tiny_user_project/config.json
+++ b/openlane/tiny_user_project/config.json
@@ -11,13 +11,13 @@
     "CLOCK_PORT": "io_in[0]",
     "CLOCK_NET": "io_in[0]",
     "FP_PIN_ORDER_CFG": "dir::pin_order.cfg",
-    "DIE_AREA": "0 0 300 300",
-    "FP_CORE_UTIL": 40,
+    "DIE_AREA": "0 0 350 350",
+    "FP_SIZING": "absolute",
+    "FP_CORE_UTIL": 35,
     "PL_BASIC_PLACEMENT": 1,
-    "PL_TARGET_DENSITY": 0.45,
+    "PL_TARGET_DENSITY": 0.4,
     "SYNTH_READ_BLACKBOX_LIB": 1,
     "SYNTH_USE_PG_PINS_DEFINES": "USE_POWER_PINS",
-    "SYNTH_STRATEGY": "AREA 0",
     "DIODE_INSERTION_STRATEGY": 4,
     "RUN_CVC": 1,
     "RUN_KLAYOUT_XOR": 0,