diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5dfa4aa84d..015ae18947 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ Contributed:
 
 Changes:
 
+- Loose pedantic check not to fail on all-empty values
 - Extend `createType` auto-TS decoration for `BreeMap`, `BTreeSet`, `HashMap`
 
 
diff --git a/package.json b/package.json
index d38fcfbd04..f34a68a41f 100644
--- a/package.json
+++ b/package.json
@@ -27,9 +27,9 @@
   },
   "devDependencies": {
     "@babel/core": "^7.15.0",
-    "@babel/register": "^7.14.5",
-    "@babel/runtime": "^7.14.8",
-    "@polkadot/dev": "^0.62.58",
+    "@babel/register": "^7.15.3",
+    "@babel/runtime": "^7.15.3",
+    "@polkadot/dev": "^0.62.59",
     "@polkadot/ts": "^0.4.4",
     "@polkadot/typegen": "workspace:packages/typegen",
     "@types/jest": "^26.0.24",
diff --git a/packages/api-contract/package.json b/packages/api-contract/package.json
index c63ca00c17..06860b8c7b 100644
--- a/packages/api-contract/package.json
+++ b/packages/api-contract/package.json
@@ -19,10 +19,10 @@
   "bugs": "https://github.com/polkadot-js/api/issues",
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api-contract#readme",
   "dependencies": {
-    "@babel/runtime": "^7.14.8",
+    "@babel/runtime": "^7.15.3",
     "@polkadot/api": "5.4.2-5",
     "@polkadot/types": "5.4.2-5",
-    "@polkadot/util": "^7.1.1",
+    "@polkadot/util": "^7.1.3-3",
     "rxjs": "^7.3.0"
   }
 }
diff --git a/packages/api-derive/package.json b/packages/api-derive/package.json
index f8126b0942..9d3db6118f 100644
--- a/packages/api-derive/package.json
+++ b/packages/api-derive/package.json
@@ -19,16 +19,16 @@
   "bugs": "https://github.com/polkadot-js/api/issues",
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api-derive#readme",
   "dependencies": {
-    "@babel/runtime": "^7.14.8",
+    "@babel/runtime": "^7.15.3",
     "@polkadot/api": "5.4.2-5",
     "@polkadot/rpc-core": "5.4.2-5",
     "@polkadot/types": "5.4.2-5",
-    "@polkadot/util": "^7.1.1",
-    "@polkadot/util-crypto": "^7.1.1",
+    "@polkadot/util": "^7.1.3-3",
+    "@polkadot/util-crypto": "^7.1.3-3",
     "rxjs": "^7.3.0"
   },
   "devDependencies": {
-    "@polkadot/keyring": "^7.1.1",
+    "@polkadot/keyring": "^7.1.3-3",
     "@polkadot/rpc-provider": "5.4.2-5"
   }
 }
diff --git a/packages/api/package.json b/packages/api/package.json
index 8bf2d9a3dd..0917150c9a 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -19,15 +19,15 @@
   "bugs": "https://github.com/polkadot-js/api/issues",
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api#readme",
   "dependencies": {
-    "@babel/runtime": "^7.14.8",
+    "@babel/runtime": "^7.15.3",
     "@polkadot/api-derive": "5.4.2-5",
-    "@polkadot/keyring": "^7.1.1",
+    "@polkadot/keyring": "^7.1.3-3",
     "@polkadot/rpc-core": "5.4.2-5",
     "@polkadot/rpc-provider": "5.4.2-5",
     "@polkadot/types": "5.4.2-5",
     "@polkadot/types-known": "5.4.2-5",
-    "@polkadot/util": "^7.1.1",
-    "@polkadot/util-crypto": "^7.1.1",
+    "@polkadot/util": "^7.1.3-3",
+    "@polkadot/util-crypto": "^7.1.3-3",
     "eventemitter3": "^4.0.7",
     "rxjs": "^7.3.0"
   }
diff --git a/packages/rpc-core/package.json b/packages/rpc-core/package.json
index f73df44073..6f0dc43537 100644
--- a/packages/rpc-core/package.json
+++ b/packages/rpc-core/package.json
@@ -19,13 +19,13 @@
   "bugs": "https://github.com/polkadot-js/api/issues",
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/rpc-core#readme",
   "dependencies": {
-    "@babel/runtime": "^7.14.8",
+    "@babel/runtime": "^7.15.3",
     "@polkadot/rpc-provider": "5.4.2-5",
     "@polkadot/types": "5.4.2-5",
-    "@polkadot/util": "^7.1.1",
+    "@polkadot/util": "^7.1.3-3",
     "rxjs": "^7.3.0"
   },
   "devDependencies": {
-    "@polkadot/keyring": "^7.1.1"
+    "@polkadot/keyring": "^7.1.3-3"
   }
 }
diff --git a/packages/rpc-provider/package.json b/packages/rpc-provider/package.json
index 173d4d656d..b190d1b001 100644
--- a/packages/rpc-provider/package.json
+++ b/packages/rpc-provider/package.json
@@ -19,17 +19,17 @@
   "bugs": "https://github.com/polkadot-js/api/issues",
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/rpc-provider#readme",
   "dependencies": {
-    "@babel/runtime": "^7.14.8",
+    "@babel/runtime": "^7.15.3",
     "@polkadot/types": "5.4.2-5",
-    "@polkadot/util": "^7.1.1",
-    "@polkadot/util-crypto": "^7.1.1",
-    "@polkadot/x-fetch": "^7.1.1",
-    "@polkadot/x-global": "^7.1.1",
-    "@polkadot/x-ws": "^7.1.1",
+    "@polkadot/util": "^7.1.3-3",
+    "@polkadot/util-crypto": "^7.1.3-3",
+    "@polkadot/x-fetch": "^7.1.3-3",
+    "@polkadot/x-global": "^7.1.3-3",
+    "@polkadot/x-ws": "^7.1.3-3",
     "eventemitter3": "^4.0.7"
   },
   "devDependencies": {
-    "@polkadot/keyring": "^7.1.1",
+    "@polkadot/keyring": "^7.1.3-3",
     "@polkadot/types": "5.4.2-5",
     "mock-socket": "^9.0.3",
     "nock": "^13.1.1"
diff --git a/packages/typegen/package.json b/packages/typegen/package.json
index 162ac0b84e..6509f60415 100644
--- a/packages/typegen/package.json
+++ b/packages/typegen/package.json
@@ -27,13 +27,13 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/typegen#readme",
   "dependencies": {
     "@babel/core": "^7.15.0",
-    "@babel/register": "^7.14.5",
-    "@babel/runtime": "^7.14.8",
+    "@babel/register": "^7.15.3",
+    "@babel/runtime": "^7.15.3",
     "@polkadot/api": "5.4.2-5",
     "@polkadot/rpc-provider": "5.4.2-5",
     "@polkadot/types": "5.4.2-5",
     "@polkadot/types-support": "5.4.2-5",
-    "@polkadot/util": "^7.1.1",
+    "@polkadot/util": "^7.1.3-3",
     "handlebars": "^4.7.7",
     "websocket": "^1.0.34",
     "yargs": "^17.1.0"
diff --git a/packages/types-known/package.json b/packages/types-known/package.json
index f4594271e2..fd535e9cfc 100644
--- a/packages/types-known/package.json
+++ b/packages/types-known/package.json
@@ -19,9 +19,9 @@
   "bugs": "https://github.com/polkadot-js/api/issues",
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/types-known#readme",
   "dependencies": {
-    "@babel/runtime": "^7.14.8",
-    "@polkadot/networks": "^7.1.1",
+    "@babel/runtime": "^7.15.3",
+    "@polkadot/networks": "^7.1.3-3",
     "@polkadot/types": "5.4.2-5",
-    "@polkadot/util": "^7.1.1"
+    "@polkadot/util": "^7.1.3-3"
   }
 }
diff --git a/packages/types-support/package.json b/packages/types-support/package.json
index dc2a885205..59988b3a62 100644
--- a/packages/types-support/package.json
+++ b/packages/types-support/package.json
@@ -19,7 +19,7 @@
   "bugs": "https://github.com/polkadot-js/api/issues",
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/types-support#readme",
   "dependencies": {
-    "@babel/runtime": "^7.14.8",
-    "@polkadot/util": "^7.1.1"
+    "@babel/runtime": "^7.15.3",
+    "@polkadot/util": "^7.1.3-3"
   }
 }
diff --git a/packages/types/package.json b/packages/types/package.json
index f4ba09cae5..b940dff61a 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -19,13 +19,13 @@
   "bugs": "https://github.com/polkadot-js/api/issues",
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/types#readme",
   "dependencies": {
-    "@babel/runtime": "^7.14.8",
-    "@polkadot/util": "^7.1.1",
-    "@polkadot/util-crypto": "^7.1.1",
+    "@babel/runtime": "^7.15.3",
+    "@polkadot/util": "^7.1.3-3",
+    "@polkadot/util-crypto": "^7.1.3-3",
     "rxjs": "^7.3.0"
   },
   "devDependencies": {
-    "@polkadot/keyring": "^7.1.1",
+    "@polkadot/keyring": "^7.1.3-3",
     "@polkadot/types-support": "5.4.2-5",
     "@types/bn.js": "^4.11.6",
     "bn.js": "^4.11.9"
diff --git a/packages/types/src/create/createType.ts b/packages/types/src/create/createType.ts
index 976d7ca347..ca9287a6db 100644
--- a/packages/types/src/create/createType.ts
+++ b/packages/types/src/create/createType.ts
@@ -12,18 +12,25 @@ import { createClass } from './createClass';
 
 // With isPedantic, actually check that the encoding matches that supplied. This
 // is much slower, but verifies that we have the correct types defined
-function checkInstance (created: Codec, value: Uint8Array): void {
+function checkInstance (created: Codec, matcher: Uint8Array): void {
   const u8a = created.toU8a();
   const rawType = created.toRawType();
-
-  assert(
-    u8aEq(value, u8a) || (
-      // when length-prefixed from hex, just check the actual length
+  const isOk = (
+    // full match, all ok
+    u8aEq(u8a, matcher) ||
+    (
+      // on a length-prefixed type, just check the actual length
       ['Bytes', 'Text', 'Type'].includes(rawType) &&
-      value.length === (created as Bytes).length
-    ),
-    () => `${rawType}:: Decoded input doesn't match input, received ${u8aToHex(value, 512)} (${value.length} bytes), created ${u8aToHex(u8a, 512)} (${u8a.length} bytes)`
+      matcher.length === (created as Bytes).length
+    ) ||
+    (
+      // when the created is empty and matcher is also empty, let it slide...
+      created.isEmpty &&
+      matcher.every((v) => !v)
+    )
   );
+
+  assert(isOk, () => `${rawType}:: Decoded input doesn't match input, received ${u8aToHex(matcher, 512)} (${matcher.length} bytes), created ${u8aToHex(u8a, 512)} (${u8a.length} bytes)`);
 }
 
 function checkPedantic (created: Codec, [value]: unknown[], isPedantic = false): void {
diff --git a/yarn.lock b/yarn.lock
index 719b43b31f..85388ef627 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1345,9 +1345,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@babel/register@npm:^7.14.5":
-  version: 7.14.5
-  resolution: "@babel/register@npm:7.14.5"
+"@babel/register@npm:^7.14.5, @babel/register@npm:^7.15.3":
+  version: 7.15.3
+  resolution: "@babel/register@npm:7.15.3"
   dependencies:
     clone-deep: ^4.0.1
     find-cache-dir: ^2.0.0
@@ -1356,16 +1356,16 @@ __metadata:
     source-map-support: ^0.5.16
   peerDependencies:
     "@babel/core": ^7.0.0-0
-  checksum: 5fab2384f5e3588cf5978312997afcc4cabcfc519eb6db7ebe3c5e704dc7faa7eef691b6939bc086937f732cdfbba028ea3fec0bdc23c41f19443bea13135a97
+  checksum: 7da9d0399baebe6a5e517abd864cb22eef17d608e893d4f3b95d10411f0038b2b39c954fc611da9c3dc3d87427b8bdb45a576b1528100e65b36c1e9ad31987ca
   languageName: node
   linkType: hard
 
-"@babel/runtime@npm:^7.14.6, @babel/runtime@npm:^7.14.8, @babel/runtime@npm:^7.8.4":
-  version: 7.14.8
-  resolution: "@babel/runtime@npm:7.14.8"
+"@babel/runtime@npm:^7.14.6, @babel/runtime@npm:^7.14.8, @babel/runtime@npm:^7.15.3, @babel/runtime@npm:^7.8.4":
+  version: 7.15.3
+  resolution: "@babel/runtime@npm:7.15.3"
   dependencies:
     regenerator-runtime: ^0.13.4
-  checksum: d2dd0ce51ddab78ac93928b04042425145d0dc8cc2b70150d47934f8703f55702eb0b2894f9bd47f66794ad04d8bb03a6a847d0138fbb7aa0b970b5ccd5cc8b7
+  checksum: 2f0b8d2d4e36035ab1d84af0ec26aafa098536870f27c8e07de0a0e398f7a394fdea68a88165535ffb52ded6a68912bdc3450bdf91f229eb132e1c89470789f5
   languageName: node
   linkType: hard
 
@@ -1866,10 +1866,10 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@polkadot/api-contract@workspace:packages/api-contract"
   dependencies:
-    "@babel/runtime": ^7.14.8
+    "@babel/runtime": ^7.15.3
     "@polkadot/api": 5.4.2-5
     "@polkadot/types": 5.4.2-5
-    "@polkadot/util": ^7.1.1
+    "@polkadot/util": ^7.1.3-3
     rxjs: ^7.3.0
   languageName: unknown
   linkType: soft
@@ -1878,14 +1878,14 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@polkadot/api-derive@workspace:packages/api-derive"
   dependencies:
-    "@babel/runtime": ^7.14.8
+    "@babel/runtime": ^7.15.3
     "@polkadot/api": 5.4.2-5
-    "@polkadot/keyring": ^7.1.1
+    "@polkadot/keyring": ^7.1.3-3
     "@polkadot/rpc-core": 5.4.2-5
     "@polkadot/rpc-provider": 5.4.2-5
     "@polkadot/types": 5.4.2-5
-    "@polkadot/util": ^7.1.1
-    "@polkadot/util-crypto": ^7.1.1
+    "@polkadot/util": ^7.1.3-3
+    "@polkadot/util-crypto": ^7.1.3-3
     rxjs: ^7.3.0
   languageName: unknown
   linkType: soft
@@ -1894,23 +1894,23 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@polkadot/api@workspace:packages/api"
   dependencies:
-    "@babel/runtime": ^7.14.8
+    "@babel/runtime": ^7.15.3
     "@polkadot/api-derive": 5.4.2-5
-    "@polkadot/keyring": ^7.1.1
+    "@polkadot/keyring": ^7.1.3-3
     "@polkadot/rpc-core": 5.4.2-5
     "@polkadot/rpc-provider": 5.4.2-5
     "@polkadot/types": 5.4.2-5
     "@polkadot/types-known": 5.4.2-5
-    "@polkadot/util": ^7.1.1
-    "@polkadot/util-crypto": ^7.1.1
+    "@polkadot/util": ^7.1.3-3
+    "@polkadot/util-crypto": ^7.1.3-3
     eventemitter3: ^4.0.7
     rxjs: ^7.3.0
   languageName: unknown
   linkType: soft
 
-"@polkadot/dev@npm:^0.62.58":
-  version: 0.62.58
-  resolution: "@polkadot/dev@npm:0.62.58"
+"@polkadot/dev@npm:^0.62.59":
+  version: 0.62.59
+  resolution: "@polkadot/dev@npm:0.62.59"
   dependencies:
     "@babel/cli": ^7.14.8
     "@babel/core": ^7.15.0
@@ -1997,30 +1997,30 @@ __metadata:
     polkadot-exec-rollup: scripts/polkadot-exec-rollup.cjs
     polkadot-exec-tsc: scripts/polkadot-exec-tsc.cjs
     polkadot-exec-webpack: scripts/polkadot-exec-webpack.cjs
-  checksum: 10dfbc5b2afa1131a6643b69777e13c9d298a6e15c743a475f2eaa4849e44372cd22672ad838010a31cd7b0428ac5326f4dd6a75dbf9c3864c1044e858416a63
+  checksum: 2955f2b907bd23447b98f3b567284cb994ad0f75b6564286dfa96d90b072fc58ca7333865768a76c887e31ead100e4b9f6da476c90046d7ac38b40f4110a091e
   languageName: node
   linkType: hard
 
-"@polkadot/keyring@npm:^7.1.1":
-  version: 7.1.1
-  resolution: "@polkadot/keyring@npm:7.1.1"
+"@polkadot/keyring@npm:^7.1.3-3":
+  version: 7.1.3-3
+  resolution: "@polkadot/keyring@npm:7.1.3-3"
   dependencies:
-    "@babel/runtime": ^7.14.8
-    "@polkadot/util": 7.1.1
-    "@polkadot/util-crypto": 7.1.1
+    "@babel/runtime": ^7.15.3
+    "@polkadot/util": 7.1.3-3
+    "@polkadot/util-crypto": 7.1.3-3
   peerDependencies:
-    "@polkadot/util": 7.1.1
-    "@polkadot/util-crypto": 7.1.1
-  checksum: 5600b0eea911f0cc0725091f153aeb71e92825c8c24a43d360634d74037b3078cd893b508e3297046a39a4b2a960e578636b242e61e9852dcb488b5becb0471c
+    "@polkadot/util": 7.1.3-3
+    "@polkadot/util-crypto": 7.1.3-3
+  checksum: 06b21fda3d023749ba29e7e43e797b489e6917a8eee60cbc9e78cee412d471019fd5d0238d59609da4ede5dc862130ec872bea7650feca2227bd21d136e49f9e
   languageName: node
   linkType: hard
 
-"@polkadot/networks@npm:7.1.1, @polkadot/networks@npm:^7.1.1":
-  version: 7.1.1
-  resolution: "@polkadot/networks@npm:7.1.1"
+"@polkadot/networks@npm:7.1.3-3, @polkadot/networks@npm:^7.1.3-3":
+  version: 7.1.3-3
+  resolution: "@polkadot/networks@npm:7.1.3-3"
   dependencies:
-    "@babel/runtime": ^7.14.8
-  checksum: 85cc0aec74d6a927c2757ce1c6a2ccf77970b9b7495383f731191178752d9b2a815aad7355094dcdf7cd2762ef28101921925733a8a459cb84902c541cf57d94
+    "@babel/runtime": ^7.15.3
+  checksum: 87cab47a496372299a33e57f59fb2b34bc896e5819adb5483e40abe349bcde2cb8fd46f1b07cd208453c844e33491adf54f6a5c0aff88361059e4ce7b140d78e
   languageName: node
   linkType: hard
 
@@ -2028,11 +2028,11 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@polkadot/rpc-core@workspace:packages/rpc-core"
   dependencies:
-    "@babel/runtime": ^7.14.8
-    "@polkadot/keyring": ^7.1.1
+    "@babel/runtime": ^7.15.3
+    "@polkadot/keyring": ^7.1.3-3
     "@polkadot/rpc-provider": 5.4.2-5
     "@polkadot/types": 5.4.2-5
-    "@polkadot/util": ^7.1.1
+    "@polkadot/util": ^7.1.3-3
     rxjs: ^7.3.0
   languageName: unknown
   linkType: soft
@@ -2041,14 +2041,14 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@polkadot/rpc-provider@workspace:packages/rpc-provider"
   dependencies:
-    "@babel/runtime": ^7.14.8
-    "@polkadot/keyring": ^7.1.1
+    "@babel/runtime": ^7.15.3
+    "@polkadot/keyring": ^7.1.3-3
     "@polkadot/types": 5.4.2-5
-    "@polkadot/util": ^7.1.1
-    "@polkadot/util-crypto": ^7.1.1
-    "@polkadot/x-fetch": ^7.1.1
-    "@polkadot/x-global": ^7.1.1
-    "@polkadot/x-ws": ^7.1.1
+    "@polkadot/util": ^7.1.3-3
+    "@polkadot/util-crypto": ^7.1.3-3
+    "@polkadot/x-fetch": ^7.1.3-3
+    "@polkadot/x-global": ^7.1.3-3
+    "@polkadot/x-ws": ^7.1.3-3
     eventemitter3: ^4.0.7
     mock-socket: ^9.0.3
     nock: ^13.1.1
@@ -2069,13 +2069,13 @@ __metadata:
   resolution: "@polkadot/typegen@workspace:packages/typegen"
   dependencies:
     "@babel/core": ^7.15.0
-    "@babel/register": ^7.14.5
-    "@babel/runtime": ^7.14.8
+    "@babel/register": ^7.15.3
+    "@babel/runtime": ^7.15.3
     "@polkadot/api": 5.4.2-5
     "@polkadot/rpc-provider": 5.4.2-5
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