diff --git a/package.json b/package.json
index 1f50da7e..ea44a291 100644
--- a/package.json
+++ b/package.json
@@ -90,11 +90,11 @@
     "webpack-cli": "3.3.12"
   },
   "dependencies": {
-    "@babel/runtime": "^7.10.2",
+    "@babel/runtime": "^7.11.2",
     "@stablelib/utf8": "^1.0.0",
     "buffer": "^5.6.0",
-    "did-resolver": "^2.0.1",
-    "elliptic": "^6.5.2",
+    "did-resolver": "^2.1.0",
+    "elliptic": "^6.5.3",
     "js-sha256": "^0.9.0",
     "js-sha3": "^0.8.0",
     "tweetnacl": "^1.0.3",
diff --git a/src/__tests__/VerifierAlgorithm-test.ts b/src/__tests__/VerifierAlgorithm-test.ts
index d5120585..06795a15 100644
--- a/src/__tests__/VerifierAlgorithm-test.ts
+++ b/src/__tests__/VerifierAlgorithm-test.ts
@@ -41,7 +41,7 @@ const edPublicKey2 = bytesToBase64(nacl.sign.keyPair().publicKey)
 const ecKey1 = {
   id: `${did}#keys-1`,
   type: 'Secp256k1VerificationKey2018',
-  owner: did,
+  controller: did,
   publicKeyHex:
     '04613bb3a4874d27032618f020614c21cbe4c4e4781687525f6674089f9bd3d6c7f6eb13569053d31715a3ba32e0b791b97922af6387f087d6b5548c06944ab062'
 }
@@ -49,42 +49,42 @@ const ecKey1 = {
 const ecKey2 = {
   id: `${did}#keys-2`,
   type: 'Secp256k1VerificationKey2018',
-  owner: did,
+  controller: did,
   publicKeyHex: publicKey
 }
 
 const ethAddress = {
   id: `${did}#keys-3`,
   type: 'Secp256k1VerificationKey2018',
-  owner: did,
+  controller: did,
   ethereumAddress: address
 }
 
 const compressedKey = {
   id: `${did}#keys-4`,
   type: 'Secp256k1VerificationKey2018',
-  owner: did,
+  controller: did,
   publicKeyHex: compressedPublicKey
 }
 
 const edKey = {
   id: `${did}#keys-5`,
   type: 'ED25519SignatureVerification',
-  owner: did,
+  controller: did,
   publicKeyBase64: edPublicKey
 }
 
 const edKey2 = {
   id: `${did}#keys-6`,
   type: 'ED25519SignatureVerification',
-  owner: did,
+  controller: did,
   publicKeyBase64: edPublicKey2
 }
 
 const malformedKey1 = {
   id: `${did}#keys-7`,
   type: 'Secp256k1VerificationKey2018',
-  owner: did,
+  controller: did,
   publicKeyHex:
     '05613bb3a4874d27032618f020614c21cbe4c4e4781687525f6674089f9bd3d6c7f6eb13569053d31715a3ba32e0b791b97922af6387f087d6b5548c06944ab062'
 }
@@ -92,7 +92,7 @@ const malformedKey1 = {
 const malformedKey2 = {
   id: `${did}#keys-8`,
   type: 'Secp256k1VerificationKey2018',
-  owner: did,
+  controller: did,
   publicKeyHex:
     '04613bb3a4874d27032618f020614c21cbe4c4e4781687525f6674089f9bd3d6c7f6eb13569053d31715a3ba32e0b791b97922af6387f087d6b5548c06944ab062aabbccdd'
 }
@@ -100,7 +100,7 @@ const malformedKey2 = {
 const malformedKey3 = {
   id: `${did}#keys-8`,
   type: 'Secp256k1VerificationKey2018',
-  owner: did,
+  controller: did,
   publicKeyHex:
     '04613bb3a4874d27032618f020614c21cbe4c4e4781687525f6674089f9bd3d6c7f6eb13569053d31715a3ba32e0b791b97922af6387f087d6b5548c06'
 }
diff --git a/yarn.lock b/yarn.lock
index 942bb06b..2ba7f5c5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -967,7 +967,14 @@
     "@babel/types" "^7.4.4"
     esutils "^2.0.2"
 
-"@babel/runtime@^7.10.2", "@babel/runtime@^7.7.2", "@babel/runtime@^7.8.4":
+"@babel/runtime@^7.11.2":
+  version "7.11.2"
+  resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.11.2.tgz#f549c13c754cc40b87644b9fa9f09a6a95fe0736"
+  integrity sha512-TeWkU52so0mPtDcaCTxNBI/IHiz0pZgr8VEFqXFtZWpYD08ZB6FaSwVAS8MKRQAP3bYKiVjwysOJgMFY28o6Tw==
+  dependencies:
+    regenerator-runtime "^0.13.4"
+
+"@babel/runtime@^7.7.2", "@babel/runtime@^7.8.4":
   version "7.10.2"
   resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.10.2.tgz#d103f21f2602497d38348a32e008637d506db839"
   integrity sha512-6sF3uQw2ivImfVIl62RZ7MXhO2tap69WeWK57vAaimT6AZbE4FbqjdEJIN1UqoD6wI6B+1n9UiagafH1sxjOtg==
@@ -3840,7 +3847,7 @@ debug@^3.1.0:
   dependencies:
     ms "^2.1.1"
 
-debuglog@*, debuglog@^1.0.1:
+debuglog@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/debuglog/-/debuglog-1.0.1.tgz#aa24ffb9ac3df9a2351837cfb2d279360cd78492"
   integrity sha1-qiT/uaw9+aI1GDfPstJ5NgzXhJI=
@@ -3987,10 +3994,10 @@ did-resolver@^1.0.0:
   resolved "https://registry.yarnpkg.com/did-resolver/-/did-resolver-1.1.0.tgz#27a63b6f2aa8dee3d622cd8b8b47360661e24f1e"
   integrity sha512-Q02Sc5VuQnJzzR8fQ/DzyCHiYb31WpQdocOsxppI66wwT4XalYRDeCr3a48mL6sYPQo76AkBh0mxte9ZBuQzxA==
 
-did-resolver@^2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/did-resolver/-/did-resolver-2.0.1.tgz#7246318d163250818ba71d0ad27f216a0034bb0a"
-  integrity sha512-NomJQaRiu0izKFFerYGrca48YxWtMOtOoqG3JUTLJtET8n2T1i8WlQz500zesnioZWi5RVNsUS/eMQfRWy7bbg==
+did-resolver@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/did-resolver/-/did-resolver-2.1.0.tgz#653d00499aefdd0a42bd59d265e0d470d801fc42"
+  integrity sha512-9skNafNhYB4UHAcQnv5ozCZSITW+m4kNybSuDVNpGeMqppD5DGXrpOrluFjE6TWtinT217wvy/G46IbRDZ1u2A==
 
 diff-sequences@^25.2.6:
   version "25.2.6"
@@ -4207,6 +4214,19 @@ elliptic@^6.0.0, elliptic@^6.4.1, elliptic@^6.5.2:
     minimalistic-assert "^1.0.0"
     minimalistic-crypto-utils "^1.0.0"
 
+elliptic@^6.5.3:
+  version "6.5.3"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.3.tgz#cb59eb2efdaf73a0bd78ccd7015a62ad6e0f93d6"
+  integrity sha512-IMqzv5wNQf+E6aHeIqATs0tOLeOTwj1QKbRcS3jBbYkl5oLAserA8yJTT7/VyHUYG91PRmPyeQDObKLPpeS4dw==
+  dependencies:
+    bn.js "^4.4.0"
+    brorand "^1.0.1"
+    hash.js "^1.0.0"
+    hmac-drbg "^1.0.0"
+    inherits "^2.0.1"
+    minimalistic-assert "^1.0.0"
+    minimalistic-crypto-utils "^1.0.0"
+
 emittery@^0.7.1:
   version "0.7.1"
   resolved "https://registry.yarnpkg.com/emittery/-/emittery-0.7.1.tgz#c02375a927a40948c0345cc903072597f5270451"
@@ -5835,7 +5855,7 @@ import-local@^3.0.2:
     pkg-dir "^4.2.0"
     resolve-cwd "^3.0.0"
 
-imurmurhash@*, imurmurhash@^0.1.4:
+imurmurhash@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
   integrity sha1-khi5srkoojixPcT7a21XbyMUU+o=
@@ -7363,11 +7383,6 @@ lockfile@^1.0.4:
   dependencies:
     signal-exit "^3.0.2"
 
-lodash._baseindexof@*:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/lodash._baseindexof/-/lodash._baseindexof-3.1.0.tgz#fe52b53a1c6761e42618d654e4a25789ed61822c"
-  integrity sha1-/lK1OhxnYeQmGNZU5KJXie1hgiw=
-
 lodash._baseuniq@~4.6.0:
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/lodash._baseuniq/-/lodash._baseuniq-4.6.0.tgz#0ebb44e456814af7905c6212fa2c9b2d51b841e8"
@@ -7376,33 +7391,11 @@ lodash._baseuniq@~4.6.0:
     lodash._createset "~4.0.0"
     lodash._root "~3.0.0"
 
-lodash._bindcallback@*:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/lodash._bindcallback/-/lodash._bindcallback-3.0.1.tgz#e531c27644cf8b57a99e17ed95b35c748789392e"
-  integrity sha1-5THCdkTPi1epnhftlbNcdIeJOS4=
-
-lodash._cacheindexof@*:
-  version "3.0.2"
-  resolved "https://registry.yarnpkg.com/lodash._cacheindexof/-/lodash._cacheindexof-3.0.2.tgz#3dc69ac82498d2ee5e3ce56091bafd2adc7bde92"
-  integrity sha1-PcaayCSY0u5ePOVgkbr9Ktx73pI=
-
-lodash._createcache@*:
-  version "3.1.2"
-  resolved "https://registry.yarnpkg.com/lodash._createcache/-/lodash._createcache-3.1.2.tgz#56d6a064017625e79ebca6b8018e17440bdcf093"
-  integrity sha1-VtagZAF2JeeevKa4AY4XRAvc8JM=
-  dependencies:
-    lodash._getnative "^3.0.0"
-
 lodash._createset@~4.0.0:
   version "4.0.3"
   resolved "https://registry.yarnpkg.com/lodash._createset/-/lodash._createset-4.0.3.tgz#0f4659fbb09d75194fa9e2b88a6644d363c9fe26"
   integrity sha1-D0ZZ+7CddRlPqeK4imZE02PJ/iY=
 
-lodash._getnative@*, lodash._getnative@^3.0.0:
-  version "3.9.1"
-  resolved "https://registry.yarnpkg.com/lodash._getnative/-/lodash._getnative-3.9.1.tgz#570bc7dede46d61cdcde687d65d3eecbaa3aaff5"
-  integrity sha1-VwvH3t5G1hzc3mh9ZdPuy6o6r/U=
-
 lodash._root@~3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/lodash._root/-/lodash._root-3.0.1.tgz#fba1c4524c19ee9a5f8136b4609f017cf4ded692"
@@ -7473,11 +7466,6 @@ lodash.pick@^4.4.0:
   resolved "https://registry.yarnpkg.com/lodash.pick/-/lodash.pick-4.4.0.tgz#52f05610fff9ded422611441ed1fc123a03001b3"
   integrity sha1-UvBWEP/53tQiYRRB7R/BI6AwAbM=
 
-lodash.restparam@*:
-  version "3.6.1"
-  resolved "https://registry.yarnpkg.com/lodash.restparam/-/lodash.restparam-3.6.1.tgz#936a4e309ef330a7645ed4145986c85ae5b20805"
-  integrity sha1-k2pOMJ7zMKdkXtQUWYbIWuWyCAU=
-
 lodash.sortby@^4.7.0:
   version "4.7.0"
   resolved "https://registry.yarnpkg.com/lodash.sortby/-/lodash.sortby-4.7.0.tgz#edd14c824e2cc9c1e0b0a1b42bb5210516a42438"
@@ -8375,7 +8363,6 @@ npm@^6.10.3:
     cmd-shim "^3.0.3"
     columnify "~1.5.4"
     config-chain "^1.1.12"
-    debuglog "*"
     detect-indent "~5.0.0"
     detect-newline "^2.1.0"
     dezalgo "~1.0.3"
@@ -8390,7 +8377,6 @@ npm@^6.10.3:
     has-unicode "~2.0.1"
     hosted-git-info "^2.8.8"
     iferr "^1.0.2"
-    imurmurhash "*"
     infer-owner "^1.0.4"
     inflight "~1.0.6"
     inherits "^2.0.4"
@@ -8409,14 +8395,8 @@ npm@^6.10.3:
     libnpx "^10.2.2"
     lock-verify "^2.1.0"
     lockfile "^1.0.4"
-    lodash._baseindexof "*"
     lodash._baseuniq "~4.6.0"
-    lodash._bindcallback "*"
-    lodash._cacheindexof "*"
-    lodash._createcache "*"
-    lodash._getnative "*"
     lodash.clonedeep "~4.5.0"
-    lodash.restparam "*"
     lodash.union "~4.6.0"
     lodash.uniq "~4.5.0"
     lodash.without "~4.4.0"