diff --git a/src/config.json b/src/config.json
index e30c9fe..0e29be7 100644
--- a/src/config.json
+++ b/src/config.json
@@ -21,6 +21,6 @@
   "//": "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!",
 
   "//": "Power nets for IR drop analysis",
-  "PWR_NETS_VOLTAGES": "{VPWR 1.2}",
+  "PWR_NETS_VOLTAGES": "{VPWR 1.5}",
   "GND_NETS_VOLTAGES": "{VGND 0.0}"
 }