diff --git a/CHANGELOG.md b/CHANGELOG.md
index e2e11a18..b0784f78 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # CHANGELOG
 
+## 0.78.1 May 29, 2021
+
+Changes:
+
+- Updated to `@polkadot/{hw-ledger, keyring, util, util-crypto}` 6.6.1
+
+
 ## 0.77.1 May 25, 2021
 
 Changes:
diff --git a/package.json b/package.json
index eb3c14e5..54a8f14c 100644
--- a/package.json
+++ b/package.json
@@ -29,8 +29,8 @@
   "devDependencies": {
     "@babel/core": "^7.14.3",
     "@babel/runtime": "^7.14.0",
-    "@polkadot/dev": "^0.62.17",
-    "@polkadot/ts": "^0.3.66",
+    "@polkadot/dev": "^0.62.20",
+    "@polkadot/ts": "^0.3.69",
     "@types/jest": "^26.0.23",
     "babel-plugin-transform-vue-template": "^0.4.2",
     "empty": "^0.10.1",
@@ -43,5 +43,5 @@
     "webpack-cli": "^3.3.12",
     "webpack-serve": "^3.2.0"
   },
-  "version": "0.77.2-2"
+  "version": "0.78.0"
 }
diff --git a/packages/example-react/package.json b/packages/example-react/package.json
index a9a8c4db..607475ec 100644
--- a/packages/example-react/package.json
+++ b/packages/example-react/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/example-react",
-  "version": "0.77.2-2",
+  "version": "0.78.0",
   "description": "A very basic example with ui-* & react-* packages",
   "main": "index.js",
   "author": "Jaco Greeff <jacogr@gmail.com>",
diff --git a/packages/example-vue/package.json b/packages/example-vue/package.json
index 7ec17fbd..bfcfaac8 100644
--- a/packages/example-vue/package.json
+++ b/packages/example-vue/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/example-vue",
-  "version": "0.77.2-2",
+  "version": "0.78.0",
   "description": "A very basic example with ui-* & vue-* packages",
   "main": "index.js",
   "author": "Jaco Greeff <jacogr@gmail.com>",
diff --git a/packages/exampleReactNative/package.json b/packages/exampleReactNative/package.json
index cc262ae7..ba2f6b2f 100644
--- a/packages/exampleReactNative/package.json
+++ b/packages/exampleReactNative/package.json
@@ -1,6 +1,6 @@
 {
   "name": "exampleReactNative",
-  "version": "0.77.2-2",
+  "version": "0.78.0",
   "private": true,
   "scripts": {
     "copy-workspace-packages": "yarn copy-identicon && yarn copy-ui-shared",
@@ -12,12 +12,12 @@
     "test": "jest"
   },
   "dependencies": {
-    "@polkadot/keyring": "^6.5.2-0",
-    "@polkadot/reactnative-identicon": "0.77.2-2",
-    "@polkadot/ui-keyring": "0.77.2-2",
-    "@polkadot/ui-settings": "0.77.2-2",
-    "@polkadot/util": "^6.5.2-0",
-    "@polkadot/util-crypto": "^6.5.2-0",
+    "@polkadot/keyring": "^6.6.1",
+    "@polkadot/reactnative-identicon": "0.78.0",
+    "@polkadot/ui-keyring": "0.78.0",
+    "@polkadot/ui-settings": "0.78.0",
+    "@polkadot/util": "^6.6.1",
+    "@polkadot/util-crypto": "^6.6.1",
     "@react-native-community/async-storage": "^1.12.1",
     "fast-text-encoding": "^1.0.3",
     "get-yarn-workspaces": "^1.0.2",
diff --git a/packages/react-identicon/package.json b/packages/react-identicon/package.json
index 62cf3b9a..772092c8 100644
--- a/packages/react-identicon/package.json
+++ b/packages/react-identicon/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/react-identicon",
-  "version": "0.77.2-2",
+  "version": "0.78.0",
   "type": "module",
   "description": "Renders an SVG picture representing an address",
   "main": "index.js",
@@ -13,11 +13,11 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@babel/runtime": "^7.14.0",
-    "@polkadot/keyring": "^6.5.2-0",
-    "@polkadot/ui-settings": "0.77.2-2",
-    "@polkadot/ui-shared": "0.77.2-2",
-    "@polkadot/util": "^6.5.2-0",
-    "@polkadot/util-crypto": "^6.5.2-0",
+    "@polkadot/keyring": "^6.6.1",
+    "@polkadot/ui-settings": "0.78.0",
+    "@polkadot/ui-shared": "0.78.0",
+    "@polkadot/util": "^6.6.1",
+    "@polkadot/util-crypto": "^6.6.1",
     "color": "^3.1.3",
     "ethereum-blockies-base64": "^1.0.2",
     "jdenticon": "3.1.0",
diff --git a/packages/react-qr/package.json b/packages/react-qr/package.json
index 5ee84f83..480199b4 100644
--- a/packages/react-qr/package.json
+++ b/packages/react-qr/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/react-qr",
-  "version": "0.77.2-2",
+  "version": "0.78.0",
   "type": "module",
   "description": "Generates and reads QR codes",
   "main": "index.js",
@@ -10,8 +10,8 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@babel/runtime": "^7.14.0",
-    "@polkadot/util": "^6.5.2-0",
-    "@polkadot/util-crypto": "^6.5.2-0",
+    "@polkadot/util": "^6.6.1",
+    "@polkadot/util-crypto": "^6.6.1",
     "qrcode-generator": "^1.4.4",
     "react-qr-reader": "^2.2.1",
     "styled-components": "^5.3.0"
diff --git a/packages/reactnative-identicon/package.json b/packages/reactnative-identicon/package.json
index cdd58507..59b50e8e 100644
--- a/packages/reactnative-identicon/package.json
+++ b/packages/reactnative-identicon/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/reactnative-identicon",
-  "version": "0.77.2-2",
+  "version": "0.78.0",
   "type": "module",
   "description": "Renders an SVG picture representing an address",
   "main": "index.js",
@@ -13,9 +13,9 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@babel/runtime": "^7.14.0",
-    "@polkadot/ui-shared": "0.77.2-2",
-    "@polkadot/util": "^6.5.2-0",
-    "@polkadot/util-crypto": "^6.5.2-0",
+    "@polkadot/ui-shared": "0.78.0",
+    "@polkadot/util": "^6.6.1",
+    "@polkadot/util-crypto": "^6.6.1",
     "react-native-svg": "^12.1.1"
   },
   "peerDependencies": {
@@ -25,6 +25,6 @@
     "react-native": "*"
   },
   "devDependencies": {
-    "@types/react-native": "^0.64.6"
+    "@types/react-native": "^0.64.7"
   }
 }
diff --git a/packages/ui-assets/package.json b/packages/ui-assets/package.json
index 77655f86..f76bda1d 100644
--- a/packages/ui-assets/package.json
+++ b/packages/ui-assets/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/ui-assets",
-  "version": "0.77.2-2",
+  "version": "0.78.0",
   "description": "Static assets shared accross projects",
   "main": "index.js",
   "author": "Jaco Greeff <jacogr@gmail.com>",
diff --git a/packages/ui-keyring/package.json b/packages/ui-keyring/package.json
index 135191dc..98f1f3b7 100644
--- a/packages/ui-keyring/package.json
+++ b/packages/ui-keyring/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/ui-keyring",
-  "version": "0.77.2-2",
+  "version": "0.78.0",
   "type": "module",
   "main": "index.js",
   "sideEffects": [
@@ -14,11 +14,11 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@babel/runtime": "^7.14.0",
-    "@polkadot/hw-ledger": "^6.5.2-0",
-    "@polkadot/keyring": "^6.5.2-0",
-    "@polkadot/ui-settings": "0.77.2-2",
-    "@polkadot/util": "^6.5.2-0",
-    "@polkadot/x-rxjs": "^6.5.2-0",
+    "@polkadot/hw-ledger": "^6.6.1",
+    "@polkadot/keyring": "^6.6.1",
+    "@polkadot/ui-settings": "0.78.0",
+    "@polkadot/util": "^6.6.1",
+    "@polkadot/x-rxjs": "^6.6.1",
     "mkdirp": "^1.0.4",
     "store": "^2.0.12"
   },
diff --git a/packages/ui-settings/package.json b/packages/ui-settings/package.json
index b3c074cc..9342be2d 100644
--- a/packages/ui-settings/package.json
+++ b/packages/ui-settings/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/ui-settings",
-  "version": "0.77.2-2",
+  "version": "0.78.0",
   "type": "module",
   "description": "Manages app settings",
   "main": "index.js",
@@ -10,8 +10,8 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@babel/runtime": "^7.14.0",
-    "@polkadot/networks": "^6.5.2-0",
-    "@polkadot/util": "^6.5.2-0",
+    "@polkadot/networks": "^6.6.1",
+    "@polkadot/util": "^6.6.1",
     "eventemitter3": "^4.0.7",
     "store": "^2.0.12"
   },
diff --git a/packages/ui-shared/package.json b/packages/ui-shared/package.json
index 39287882..b625573c 100644
--- a/packages/ui-shared/package.json
+++ b/packages/ui-shared/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/ui-shared",
-  "version": "0.77.2-2",
+  "version": "0.78.0",
   "type": "module",
   "description": "Shared logic that is usable accross all frameworks-specific areas",
   "main": "index.js",
@@ -17,8 +17,8 @@
     "@polkadot/util-crypto": "*"
   },
   "devDependencies": {
-    "@polkadot/util": "^6.5.2-0",
-    "@polkadot/util-crypto": "^6.5.2-0",
+    "@polkadot/util": "^6.6.1",
+    "@polkadot/util-crypto": "^6.6.1",
     "@types/color": "^3.0.1",
     "@types/xmlserializer": "^0.6.2"
   }
diff --git a/packages/vue-identicon/package.json b/packages/vue-identicon/package.json
index e6b071b7..7eeff827 100644
--- a/packages/vue-identicon/package.json
+++ b/packages/vue-identicon/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/vue-identicon",
-  "version": "0.77.2-2",
+  "version": "0.78.0",
   "type": "module",
   "description": "Renders an SVG picture representing an address",
   "author": "Jaco Greeff <jacogr@gmail.com>",
@@ -13,9 +13,9 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@babel/runtime": "^7.14.0",
-    "@polkadot/ui-shared": "0.77.2-2",
-    "@polkadot/util": "^6.5.2-0",
-    "@polkadot/util-crypto": "^6.5.2-0",
+    "@polkadot/ui-shared": "0.78.0",
+    "@polkadot/util": "^6.6.1",
+    "@polkadot/util-crypto": "^6.6.1",
     "jdenticon": "3.1.0"
   },
   "peerDependencies": {
diff --git a/yarn.lock b/yarn.lock
index e8818ec8..db85e3e1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -50,10 +50,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@babel/compat-data@npm:^7.13.11, @babel/compat-data@npm:^7.13.15, @babel/compat-data@npm:^7.14.0":
-  version: 7.14.0
-  resolution: "@babel/compat-data@npm:7.14.0"
-  checksum: d2d9de745e7a6f83ddf699865656e9298025bda5d350497845c57af440685723de28e7c1f34315e0028c6ad08bca0173436252ada7ac38eb2227c069d40916dd
+"@babel/compat-data@npm:^7.13.11, @babel/compat-data@npm:^7.14.4":
+  version: 7.14.4
+  resolution: "@babel/compat-data@npm:7.14.4"
+  checksum: 35c1152702c158814260944836f4c21b94acc6397d9e64129077b10c0f1c0b887786760d8366cf91621fb9dda1ed5ae9a5ba50c44d3e6b92b51ccd0276346794
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@@ -110,33 +110,33 @@ __metadata:
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-"@babel/helper-compilation-targets@npm:^7.13.0, @babel/helper-compilation-targets@npm:^7.13.16":
-  version: 7.13.16
-  resolution: "@babel/helper-compilation-targets@npm:7.13.16"
+"@babel/helper-compilation-targets@npm:^7.13.0, @babel/helper-compilation-targets@npm:^7.13.16, @babel/helper-compilation-targets@npm:^7.14.4":
+  version: 7.14.4
+  resolution: "@babel/helper-compilation-targets@npm:7.14.4"
   dependencies:
-    "@babel/compat-data": ^7.13.15
+    "@babel/compat-data": ^7.14.4
     "@babel/helper-validator-option": ^7.12.17
-    browserslist: ^4.14.5
+    browserslist: ^4.16.6
     semver: ^6.3.0
   peerDependencies:
     "@babel/core": ^7.0.0
-  checksum: baa1e4cdd562996c6af0a8cedb097cd72f67c44577faf4b657015f477d4930ebcc40ca21dc1e5fcffe91a1517de6e4114bc21f805ca701dfac2ddd2e9b006228
+  checksum: d4725417dcb5f63a71f50038802a57c3ef5ef6f7830f563210b672c684583ddfbd03b542fd3c322aa32c8ada3ac4c1c5676971dfee28e63fd2886379300c6b31
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-"@babel/helper-create-class-features-plugin@npm:^7.13.0, @babel/helper-create-class-features-plugin@npm:^7.14.0":
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-  resolution: "@babel/helper-create-class-features-plugin@npm:7.14.0"
+"@babel/helper-create-class-features-plugin@npm:^7.13.0, @babel/helper-create-class-features-plugin@npm:^7.14.0, @babel/helper-create-class-features-plugin@npm:^7.14.3":
+  version: 7.14.4
+  resolution: "@babel/helper-create-class-features-plugin@npm:7.14.4"
   dependencies:
     "@babel/helper-annotate-as-pure": ^7.12.13
-    "@babel/helper-function-name": ^7.12.13
+    "@babel/helper-function-name": ^7.14.2
     "@babel/helper-member-expression-to-functions": ^7.13.12
     "@babel/helper-optimise-call-expression": ^7.12.13
-    "@babel/helper-replace-supers": ^7.13.12
+    "@babel/helper-replace-supers": ^7.14.4
     "@babel/helper-split-export-declaration": ^7.12.13
   peerDependencies:
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-  checksum: 88be63caab73c506543955508530cad33d36c618accaff4d099add36c64bb2a79cd432c03c3269e283e95729c213cc1d6dbbf6c68db8f24806617d052f11dd39
+  checksum: f1b1092f75c3fbc5c2dfc339024a8c131ce80769408cfd96bb0a1461b421c09b2ffa3f02273a02085bd820178bcb38088998064a04f6fb1397d2aa40687f3bb7
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@@ -270,15 +270,15 @@ __metadata:
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-"@babel/helper-replace-supers@npm:^7.12.13, @babel/helper-replace-supers@npm:^7.13.12":
-  version: 7.13.12
-  resolution: "@babel/helper-replace-supers@npm:7.13.12"
+"@babel/helper-replace-supers@npm:^7.12.13, @babel/helper-replace-supers@npm:^7.13.12, @babel/helper-replace-supers@npm:^7.14.4":
+  version: 7.14.4
+  resolution: "@babel/helper-replace-supers@npm:7.14.4"
   dependencies:
     "@babel/helper-member-expression-to-functions": ^7.13.12
     "@babel/helper-optimise-call-expression": ^7.12.13
-    "@babel/traverse": ^7.13.0
-    "@babel/types": ^7.13.12
-  checksum: 38b79cb56a9a5324e32567660fcafbac4efae6f2c2c2ef048deb2d022476fc1c7acfda5ab841f7135d07b4f39e62142f9d253cfe824232030432c86f94d226f1
+    "@babel/traverse": ^7.14.2
+    "@babel/types": ^7.14.4
+  checksum: 00d08b8489daf9a2973d54c36b41de1a2aa45178b05de4cfaaee5c5ed0945523f50a13360f262ab6bb5b49b358edb9d397a5b23416a23b6fa602dc1589c2f0e6
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@@ -404,15 +404,16 @@ __metadata:
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-"@babel/plugin-proposal-class-static-block@npm:^7.13.11":
-  version: 7.13.11
-  resolution: "@babel/plugin-proposal-class-static-block@npm:7.13.11"
+"@babel/plugin-proposal-class-static-block@npm:^7.14.3":
+  version: 7.14.3
+  resolution: "@babel/plugin-proposal-class-static-block@npm:7.14.3"
   dependencies:
+    "@babel/helper-create-class-features-plugin": ^7.14.3
     "@babel/helper-plugin-utils": ^7.13.0
     "@babel/plugin-syntax-class-static-block": ^7.12.13
   peerDependencies:
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+  checksum: cc5896f0df9964cf30deddc9d2bee0250c4202be3a5748d71a18c6d5f64f3e724b85c34ac36552fcd28014d391293d0cf774b89fb285889d7898b6fa489ac750
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-  resolution: "@babel/plugin-proposal-object-rest-spread@npm:7.14.2"
+"@babel/plugin-proposal-object-rest-spread@npm:^7.0.0, @babel/plugin-proposal-object-rest-spread@npm:^7.14.4":
+  version: 7.14.4
+  resolution: "@babel/plugin-proposal-object-rest-spread@npm:7.14.4"
   dependencies:
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-    "@babel/helper-compilation-targets": ^7.13.16
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     "@babel/helper-plugin-utils": ^7.13.0
     "@babel/plugin-syntax-object-rest-spread": ^7.8.3
     "@babel/plugin-transform-parameters": ^7.14.2
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+"@babel/plugin-transform-block-scoping@npm:^7.0.0, @babel/plugin-transform-block-scoping@npm:^7.14.4":
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