diff --git a/zos.kovan.json b/zos.kovan.json
index d7168d6d6..b124d802d 100644
--- a/zos.kovan.json
+++ b/zos.kovan.json
@@ -818,7 +818,7 @@
   "solidityLibs": {},
   "proxies": {},
   "zosversion": "2",
-  "frozen": false,
+  "frozen": true,
   "app": {
     "address": "0xf5829d56998ccc1405b7eabccac78164af270d39"
   },
diff --git a/zos.mainnet.json b/zos.mainnet.json
index dfe07dab9..ff7a45a59 100644
--- a/zos.mainnet.json
+++ b/zos.mainnet.json
@@ -818,7 +818,7 @@
   "solidityLibs": {},
   "proxies": {},
   "zosversion": "2",
-  "frozen": false,
+  "frozen": true,
   "app": {
     "address": "0x2ba1a8c7352a5b5ea3ea3408f89e1ba7920d36ce"
   },
diff --git a/zos.rinkeby.json b/zos.rinkeby.json
index fc1b0c7a3..02aab6f3d 100644
--- a/zos.rinkeby.json
+++ b/zos.rinkeby.json
@@ -818,7 +818,7 @@
   "solidityLibs": {},
   "proxies": {},
   "zosversion": "2",
-  "frozen": false,
+  "frozen": true,
   "app": {
     "address": "0x291439e6444daec9e47ae359aa79fd1811a42679"
   },
diff --git a/zos.ropsten.json b/zos.ropsten.json
index 22bfb0fdf..4543e59d6 100644
--- a/zos.ropsten.json
+++ b/zos.ropsten.json
@@ -818,7 +818,7 @@
   "solidityLibs": {},
   "proxies": {},
   "zosversion": "2",
-  "frozen": false,
+  "frozen": true,
   "app": {
     "address": "0x27a09abca2c4d9f914dbc7bea164b0e6b74ce7a9"
   },