diff --git a/package-lock.json b/package-lock.json
index 6ca59926..51379bb8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@identity.com/credential-commons",
-  "version": "1.1.4",
+  "version": "1.1.5",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -414,35 +414,15 @@
       }
     },
     "@identity.com/uca": {
-      "version": "1.0.21",
-      "resolved": "https://registry.npmjs.org/@identity.com/uca/-/uca-1.0.21.tgz",
-      "integrity": "sha512-jKAPhIgbFoNNN3qM+Acb9U0nNVg2vIqvjqBFT7GpVfK5N8PcfhJ32PrE9tOZmFw+/8DojS5uvTwxQr2LpOI67A==",
+      "version": "1.0.22",
+      "resolved": "https://registry.npmjs.org/@identity.com/uca/-/uca-1.0.22.tgz",
+      "integrity": "sha512-QgMdw3lVeLMfKJIwiZT+SZAlU7uR7hWvWx6IGEWSWdMBKfxUH28VlwNXQwxlykXtkZdLfgIkonNT5yA4rI3mug==",
       "requires": {
         "flat": "^4.1.0",
         "lodash": "^4.17.11",
         "unix-timestamp": "^0.2.0",
-        "uuid": "^3.3.2",
+        "uuid": "^8.3.2",
         "winston": "^3.1.0"
-      },
-      "dependencies": {
-        "flat": {
-          "version": "4.1.1",
-          "resolved": "https://registry.npmjs.org/flat/-/flat-4.1.1.tgz",
-          "integrity": "sha512-FmTtBsHskrU6FJ2VxCnsDb84wu9zhmO3cUX2kGFb5tuwhfXxGciiT0oRY+cck35QmG+NmGh5eLz6lLCpWTqwpA==",
-          "requires": {
-            "is-buffer": "~2.0.3"
-          }
-        },
-        "is-buffer": {
-          "version": "2.0.5",
-          "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-2.0.5.tgz",
-          "integrity": "sha512-i2R6zNFDwgEHJyQUtJEk0XFi1i0dPFn/oqjK3/vPCcDeJvW5NQ83V8QbicfF1SupOaB0h8ntgBC2YiE7dfyctQ=="
-        },
-        "uuid": {
-          "version": "3.4.0",
-          "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.4.0.tgz",
-          "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A=="
-        }
       }
     },
     "@jest/console": {
@@ -4981,14 +4961,12 @@
     "fast-deep-equal": {
       "version": "3.1.3",
       "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
-      "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==",
-      "dev": true
+      "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q=="
     },
     "fast-json-stable-stringify": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz",
-      "integrity": "sha512-lhd/wF+Lk98HZoTCtlVraHtfh5XYijIjalXck7saUtuanSDyLMxnHhSXEDJqHxD7msR8D0uCmqlkwjCV8xvwHw==",
-      "dev": true
+      "integrity": "sha512-lhd/wF+Lk98HZoTCtlVraHtfh5XYijIjalXck7saUtuanSDyLMxnHhSXEDJqHxD7msR8D0uCmqlkwjCV8xvwHw=="
     },
     "fast-levenshtein": {
       "version": "2.0.6",
@@ -5088,9 +5066,19 @@
       }
     },
     "flat": {
-      "version": "5.0.2",
-      "resolved": "https://registry.npmjs.org/flat/-/flat-5.0.2.tgz",
-      "integrity": "sha512-b6suED+5/3rTpUBdG1gupIl8MPFCAMA0QXwmljLhvCUKcUvdE4gWky9zpuGCcXHOsz4J9wPGNWq6OKpmIzz3hQ=="
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/flat/-/flat-4.1.1.tgz",
+      "integrity": "sha512-FmTtBsHskrU6FJ2VxCnsDb84wu9zhmO3cUX2kGFb5tuwhfXxGciiT0oRY+cck35QmG+NmGh5eLz6lLCpWTqwpA==",
+      "requires": {
+        "is-buffer": "~2.0.3"
+      },
+      "dependencies": {
+        "is-buffer": {
+          "version": "2.0.5",
+          "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-2.0.5.tgz",
+          "integrity": "sha512-i2R6zNFDwgEHJyQUtJEk0XFi1i0dPFn/oqjK3/vPCcDeJvW5NQ83V8QbicfF1SupOaB0h8ntgBC2YiE7dfyctQ=="
+        }
+      }
     },
     "flat-cache": {
       "version": "1.3.4",
@@ -5322,7 +5310,26 @@
       "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-5.1.5.tgz",
       "integrity": "sha512-nmT2T0lljbxdQZfspsno9hgrG3Uir6Ks5afism62poxqBM6sDnMEuPmzTq8XN0OEwqKLLdh1jQI3qyE66Nzb3w==",
       "requires": {
+        "ajv": "^6.12.3",
         "har-schema": "^2.0.0"
+      },
+      "dependencies": {
+        "ajv": {
+          "version": "6.12.6",
+          "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+          "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
+          "requires": {
+            "fast-deep-equal": "^3.1.1",
+            "fast-json-stable-stringify": "^2.0.0",
+            "json-schema-traverse": "^0.4.1",
+            "uri-js": "^4.2.2"
+          }
+        },
+        "json-schema-traverse": {
+          "version": "0.4.1",
+          "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
+          "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg=="
+        }
       }
     },
     "has": {
@@ -10896,9 +10903,8 @@
       "dev": true
     },
     "sjcl": {
-      "version": "1.0.8",
-      "resolved": "https://registry.npmjs.org/sjcl/-/sjcl-1.0.8.tgz",
-      "integrity": "sha512-LzIjEQ0S0DpIgnxMEayM1rq9aGwGRG4OnZhCdjx7glTaJtf4zRfpg87ImfjSJjoW9vKpagd82McDOwbRT5kQKQ=="
+      "version": "github:civicteam/sjcl#74fcc71a486a41d39200767d9235f6eac9e51f26",
+      "from": "github:civicteam/sjcl#v1.0.8-ecc"
     },
     "slash": {
       "version": "1.0.0",
@@ -11705,7 +11711,6 @@
       "version": "4.4.1",
       "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz",
       "integrity": "sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==",
-      "dev": true,
       "requires": {
         "punycode": "^2.1.0"
       }
diff --git a/package.json b/package.json
index 5d94f0c2..43824c0c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@identity.com/credential-commons",
-  "version": "1.1.4",
+  "version": "1.1.5",
   "author": "Identity.com Community",
   "license": "MIT",
   "description": "Verifiable Credential and Attestation Library",
@@ -63,7 +63,7 @@
     "ajv": "^7.0.3"
   },
   "dependencies": {
-    "@identity.com/uca": "^1.0.21",
+    "@identity.com/uca": "^1.0.22",
     "babel-runtime": "^6.26.0",
     "bitcoinjs-lib": "git+https://github.com/dabura667/bitcoinjs-lib.git#bcash330",
     "bluebird": "^3.7.2",
@@ -74,7 +74,7 @@
     "cross-env": "^7.0.3",
     "dotenv": "^8.2.0",
     "figlet": "^1.5.0",
-    "flat": "^5.0.2",
+    "flat": "^4.1.0",
     "inquirer": "^7.3.3",
     "json-format": "^1.0.1",
     "lodash": "^4.17.20",
@@ -88,7 +88,7 @@
     "request-promise-native": "^1.0.9",
     "shelljs": "^0.8.4",
     "sift": "^13.5.0",
-    "sjcl": "^1.0.7",
+    "sjcl": "github:civicteam/sjcl#v1.0.8-ecc",
     "type-of-is": "^3.5.1",
     "unix-timestamp": "^0.2.0",
     "uuid": "^8.3.2",
diff --git a/src/creds/VerifiableCredential.js b/src/creds/VerifiableCredential.js
index cb198ecc..a2fcc8fa 100644
--- a/src/creds/VerifiableCredential.js
+++ b/src/creds/VerifiableCredential.js
@@ -539,7 +539,7 @@ function VerifiableCredentialBaseConstructor(identifier, issuer, expiryIn, ucas,
    * @return true or false for the validation
    */
   this.verifySignature = (pinnedPubKey) => {
-    if (this.proof.type === 'transient') {
+    if (this.proof.anchor.type === 'transient') {
       return true;
     }
     return services.container.AnchorService.verifySignature(this.proof, pinnedPubKey);