diff --git a/src/glayout/pdk/gf180_mapped/gf180_grules.py b/src/glayout/pdk/gf180_mapped/gf180_grules.py
index bf211155..2d8391ce 100644
--- a/src/glayout/pdk/gf180_mapped/gf180_grules.py
+++ b/src/glayout/pdk/gf180_mapped/gf180_grules.py
@@ -307,7 +307,7 @@
 grulesobj["met4"]["met4"] = {'min_width': 0.28, 'min_separation': 0.3}
 grulesobj["met4"]["via4"] = {'min_enclosure': 0.12}
 grulesobj["met4"]["met5"] = {}
-grulesobj["met4"]["capmet"] = {}
+grulesobj["met4"]["capmet"] = {'min_enclosure': 0.6}
 grulesobj["via4"]["dnwell"] = {}
 grulesobj["via4"]["pwell"] = {}
 grulesobj["via4"]["nwell"] = {}
@@ -364,5 +364,5 @@
 grulesobj["capmet"]["met4"] = {}
 grulesobj["capmet"]["via4"] = {}
 grulesobj["capmet"]["met5"] = {}
-grulesobj["capmet"]["capmet"] = {'capmettop': (42, 0), 'capmetbottom': (36, 0), 'min_separation': 1.2}
+grulesobj["capmet"]["capmet"] = {'capmettop': (81, 0), 'capmetbottom': (46, 0), 'min_separation': 1.2}