diff --git a/flow/designs/gf180/jpeg/config.mk b/flow/designs/gf180/jpeg/config.mk
index 799d1aaad6..19ca273944 100644
--- a/flow/designs/gf180/jpeg/config.mk
+++ b/flow/designs/gf180/jpeg/config.mk
@@ -6,7 +6,7 @@ export VERILOG_FILES = $(sort $(wildcard $(DESIGN_HOME)/src/$(DESIGN_NICKNAME)/*
 export VERILOG_INCLUDE_DIRS = $(DESIGN_HOME)/src/$(DESIGN_NICKNAME)/include
 export SDC_FILE      = $(DESIGN_HOME)/$(PLATFORM)/$(DESIGN_NICKNAME)/constraint.sdc
 
-export CORE_UTILIZATION = 45
+export CORE_UTILIZATION = 80
 export PLACE_DENSITY_LB_ADDON = 0.20
 export IO_CONSTRAINTS = $(DESIGN_HOME)/$(PLATFORM)/$(DESIGN_NICKNAME)/io.tcl
 
diff --git a/flow/designs/gf180/jpeg/constraint.sdc b/flow/designs/gf180/jpeg/constraint.sdc
index 4f1c46426b..22257f0043 100644
--- a/flow/designs/gf180/jpeg/constraint.sdc
+++ b/flow/designs/gf180/jpeg/constraint.sdc
@@ -2,7 +2,7 @@ current_design jpeg_encoder
 
 set clk_name clk
 set clk_port_name clk
-set clk_period 7.5
+set clk_period 6.0
 set clk_io_pct 0.2
 
 set clk_port [get_ports $clk_port_name]
diff --git a/flow/designs/gf180/jpeg/rules-base.json b/flow/designs/gf180/jpeg/rules-base.json
index df9efc47c7..5237cc69d4 100644
--- a/flow/designs/gf180/jpeg/rules-base.json
+++ b/flow/designs/gf180/jpeg/rules-base.json
@@ -1,11 +1,11 @@
 {
     "synth__canonical_netlist__hash": {
-        "value": "846f45c95e7e3ac4a05a84740e47ee07e3664aa6",
+        "value": "d55998608333567c7a195e0ceb6ddca5018555d5",
         "compare": "==",
         "level": "warning"
     },
     "synth__netlist__hash": {
-        "value": "173427f7d7c99a60367576f0f5ddb15423a88353",
+        "value": "b9428b468f768f73f53c3d4e78b414f39d599e39",
         "compare": "==",
         "level": "warning"
     },
@@ -18,11 +18,11 @@
         "compare": "=="
     },
     "placeopt__design__instance__area": {
-        "value": 2339824,
+        "value": 2338306,
         "compare": "<="
     },
     "placeopt__design__instance__count__stdcell": {
-        "value": 51103,
+        "value": 48768,
         "compare": "<="
     },
     "detailedplace__design__violations": {
@@ -30,27 +30,27 @@
         "compare": "=="
     },
     "cts__design__instance__count__setup_buffer": {
-        "value": 4444,
+        "value": 4241,
         "compare": "<="
     },
     "cts__design__instance__count__hold_buffer": {
-        "value": 4444,
+        "value": 4241,
         "compare": "<="
     },
     "cts__timing__setup__ws": {
-        "value": -0.375,
+        "value": -0.3,
         "compare": ">="
     },
     "cts__timing__setup__tns": {
-        "value": -1.5,
+        "value": -1.2,
         "compare": ">="
     },
     "cts__timing__hold__ws": {
-        "value": -0.375,
+        "value": -0.3,
         "compare": ">="
     },
     "cts__timing__hold__tns": {
-        "value": -1.5,
+        "value": -1.2,
         "compare": ">="
     },
     "globalroute__antenna_diodes_count": {
@@ -58,23 +58,23 @@
         "compare": "<="
     },
     "globalroute__timing__setup__ws": {
-        "value": -0.375,
+        "value": -0.368,
         "compare": ">="
     },
     "globalroute__timing__setup__tns": {
-        "value": -1.5,
+        "value": -1.28,
         "compare": ">="
     },
     "globalroute__timing__hold__ws": {
-        "value": -0.375,
+        "value": -0.3,
         "compare": ">="
     },
     "globalroute__timing__hold__tns": {
-        "value": -1.5,
+        "value": -1.2,
         "compare": ">="
     },
     "detailedroute__route__wirelength": {
-        "value": 2871649,
+        "value": 3169468,
         "compare": "<="
     },
     "detailedroute__route__drc_errors": {
@@ -90,23 +90,23 @@
         "compare": "<="
     },
     "finish__timing__setup__ws": {
-        "value": -0.375,
+        "value": -0.523,
         "compare": ">="
     },
     "finish__timing__setup__tns": {
-        "value": -1.5,
+        "value": -2.2,
         "compare": ">="
     },
     "finish__timing__hold__ws": {
-        "value": -0.375,
+        "value": -0.3,
         "compare": ">="
     },
     "finish__timing__hold__tns": {
-        "value": -1.5,
+        "value": -1.2,
         "compare": ">="
     },
     "finish__design__instance__area": {
-        "value": 2399302,
+        "value": 2394070,
         "compare": "<="
     }
 }
\ No newline at end of file