diff --git a/.dapp.json b/.dapp.json
index 43d25a6e..b1a9c570 100644
--- a/.dapp.json
+++ b/.dapp.json
@@ -290,15 +290,17 @@
         "url": "https://github.com/makerdao/flipper-mom"
       }
     },
-    "ilk-registry_5995cde": {
+    "ilk-registry_2393e47": {
       "deps": {
-        "ds-test": "ds-test_eb7148d"
+        "ds-test": "ds-test_eb7148d",
+        "ds-value": "ds-value_f3dc6c8",
+        "dss": "dss_ee01dab"
       },
       "name": "ilk-registry",
       "repo": {
-        "name": "ilk-registry-5995cde",
+        "name": "ilk-registry-2393e47",
         "ref": "HEAD",
-        "rev": "5995cdec069020892d39b57404381f54ad01279a",
+        "rev": "2393e4714fb1c24991d101fbd4ce1991fe375edb",
         "url": "https://github.com/makerdao/ilk-registry"
       }
     },
@@ -432,7 +434,7 @@
       "dss-deploy-pause-proxy-actions": "dss-deploy-pause-proxy-actions_3033e39",
       "dss-proxy-actions": "dss-proxy-actions_8045d9c",
       "flipper-mom": "flipper-mom_9ba73a4",
-      "ilk-registry": "ilk-registry_5995cde",
+      "ilk-registry": "ilk-registry_2393e47",
       "mkr-authority": "mkr-authority_62380ee",
       "multicall": "multicall_57967fc",
       "osm": "osm_ec26fd0",
diff --git a/default.nix b/default.nix
index 5cf9f71e..fe1a4bac 100644
--- a/default.nix
+++ b/default.nix
@@ -41,7 +41,7 @@ let
   # Create derivations from lock file data
   packages = packageSpecs (deps' // {
     # Package overrides
-    ilk-registry = deps'.ilk-registry           // { name = "ilk-registry-optimized";      solcFlags = "--optimize"; solc = solc-versions.solc_0_6_7; };
+    ilk-registry = deps'.ilk-registry           // { name = "ilk-registry-optimized";      solcFlags = "--optimize --optimize-runs 1000000"; solc = solc-versions.solc_0_6_7; };
     dss-proxy-actions = deps'.dss-proxy-actions // { name = "dss-proxy-actions-optimized"; solcFlags = "--optimize"; };
     dss-deploy-optimized = deps'.dss-deploy     // { name = "dss-deploy-optimized";        solcFlags = "--optimize"; };
   });
diff --git a/libexec/base-deploy b/libexec/base-deploy
index 3cc19767..86345eb9 100755
--- a/libexec/base-deploy
+++ b/libexec/base-deploy
@@ -182,7 +182,7 @@ FLIPPER_MOM=$(dappCreate flipper-mom FlipperMom "$MCD_CAT")
 log "FLIPPER_MOM=$FLIPPER_MOM"
 
 # Deploy IlkRegistry
-ILK_REGISTRY=$(dappCreate ilk-registry-optimized IlkRegistry "$(seth --to-checksum-address "$MCD_END")")
+ILK_REGISTRY=$(dappCreate ilk-registry-optimized IlkRegistry "$MCD_VAT" "$MCD_CAT" "$MCD_SPOT")
 log "ILK_REGISTRY=$ILK_REGISTRY"
 
 for token in $tokens; do