diff --git a/CHANGELOG.md b/CHANGELOG.md
index d60f87f718..2162fe6159 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,8 @@
 # CHANGELOG
 
-## master
+## 6.1.2 Sep 29, 2021
+
+Upgrade priority: Low. Recommended for 6.x users using historic queries.
 
 Changes:
 
diff --git a/package.json b/package.json
index ba290451a7..103613517a 100644
--- a/package.json
+++ b/package.json
@@ -35,6 +35,6 @@
     "@types/jest": "^27.0.2",
     "copyfiles": "^2.4.1"
   },
-  "version": "6.1.2-3",
+  "version": "6.1.2",
   "packageManager": "yarn@3.0.1"
 }
diff --git a/packages/api-contract/package.json b/packages/api-contract/package.json
index 52f4513754..862728cd72 100644
--- a/packages/api-contract/package.json
+++ b/packages/api-contract/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-contract",
-  "version": "6.1.2-3",
+  "version": "6.1.2",
   "type": "module",
   "description": "Interfaces for interacting with contracts and contract ABIs",
   "main": "index.js",
@@ -20,8 +20,8 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api-contract#readme",
   "dependencies": {
     "@babel/runtime": "^7.15.4",
-    "@polkadot/api": "6.1.2-3",
-    "@polkadot/types": "6.1.2-3",
+    "@polkadot/api": "6.1.2",
+    "@polkadot/types": "6.1.2",
     "@polkadot/util": "^7.4.1",
     "rxjs": "^7.3.0"
   }
diff --git a/packages/api-derive/package.json b/packages/api-derive/package.json
index 4b45fcf788..adb432166a 100644
--- a/packages/api-derive/package.json
+++ b/packages/api-derive/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-derive",
-  "version": "6.1.2-3",
+  "version": "6.1.2",
   "type": "module",
   "description": "Common functions used across Polkadot, derived from RPC calls and storage queries.",
   "main": "index.js",
@@ -20,15 +20,15 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api-derive#readme",
   "dependencies": {
     "@babel/runtime": "^7.15.4",
-    "@polkadot/api": "6.1.2-3",
-    "@polkadot/rpc-core": "6.1.2-3",
-    "@polkadot/types": "6.1.2-3",
+    "@polkadot/api": "6.1.2",
+    "@polkadot/rpc-core": "6.1.2",
+    "@polkadot/types": "6.1.2",
     "@polkadot/util": "^7.4.1",
     "@polkadot/util-crypto": "^7.4.1",
     "rxjs": "^7.3.0"
   },
   "devDependencies": {
     "@polkadot/keyring": "^7.4.1",
-    "@polkadot/rpc-provider": "6.1.2-3"
+    "@polkadot/rpc-provider": "6.1.2"
   }
 }
diff --git a/packages/api/package.json b/packages/api/package.json
index fb5203fa04..07eda1081d 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api",
-  "version": "6.1.2-3",
+  "version": "6.1.2",
   "type": "module",
   "description": "Promise and RxJS wrappers around the Polkadot JS RPC",
   "main": "index.js",
@@ -20,12 +20,12 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api#readme",
   "dependencies": {
     "@babel/runtime": "^7.15.4",
-    "@polkadot/api-derive": "6.1.2-3",
+    "@polkadot/api-derive": "6.1.2",
     "@polkadot/keyring": "^7.4.1",
-    "@polkadot/rpc-core": "6.1.2-3",
-    "@polkadot/rpc-provider": "6.1.2-3",
-    "@polkadot/types": "6.1.2-3",
-    "@polkadot/types-known": "6.1.2-3",
+    "@polkadot/rpc-core": "6.1.2",
+    "@polkadot/rpc-provider": "6.1.2",
+    "@polkadot/types": "6.1.2",
+    "@polkadot/types-known": "6.1.2",
     "@polkadot/util": "^7.4.1",
     "@polkadot/util-crypto": "^7.4.1",
     "eventemitter3": "^4.0.7",
diff --git a/packages/rpc-core/package.json b/packages/rpc-core/package.json
index 4afc2ea56b..9ace01ab8f 100644
--- a/packages/rpc-core/package.json
+++ b/packages/rpc-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/rpc-core",
-  "version": "6.1.2-3",
+  "version": "6.1.2",
   "type": "module",
   "description": "A JavaScript wrapper for the Polkadot JsonRPC interface",
   "main": "index.js",
@@ -20,8 +20,8 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/rpc-core#readme",
   "dependencies": {
     "@babel/runtime": "^7.15.4",
-    "@polkadot/rpc-provider": "6.1.2-3",
-    "@polkadot/types": "6.1.2-3",
+    "@polkadot/rpc-provider": "6.1.2",
+    "@polkadot/types": "6.1.2",
     "@polkadot/util": "^7.4.1",
     "rxjs": "^7.3.0"
   },
diff --git a/packages/rpc-provider/package.json b/packages/rpc-provider/package.json
index 95d6f1795c..ab4c5dfc87 100644
--- a/packages/rpc-provider/package.json
+++ b/packages/rpc-provider/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/rpc-provider",
-  "version": "6.1.2-3",
+  "version": "6.1.2",
   "type": "module",
   "description": "Transport providers for the API",
   "main": "index.js",
@@ -20,7 +20,7 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/rpc-provider#readme",
   "dependencies": {
     "@babel/runtime": "^7.15.4",
-    "@polkadot/types": "6.1.2-3",
+    "@polkadot/types": "6.1.2",
     "@polkadot/util": "^7.4.1",
     "@polkadot/util-crypto": "^7.4.1",
     "@polkadot/x-fetch": "^7.4.1",
@@ -30,7 +30,7 @@
   },
   "devDependencies": {
     "@polkadot/keyring": "^7.4.1",
-    "@polkadot/types": "6.1.2-3",
+    "@polkadot/types": "6.1.2",
     "mock-socket": "^9.0.3",
     "nock": "^13.1.3"
   }
diff --git a/packages/typegen/package.json b/packages/typegen/package.json
index 436330ebd7..94749567bb 100644
--- a/packages/typegen/package.json
+++ b/packages/typegen/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/typegen",
-  "version": "6.1.2-3",
+  "version": "6.1.2",
   "type": "module",
   "description": "Type generation scripts",
   "main": "index.js",
@@ -29,10 +29,10 @@
     "@babel/core": "^7.15.5",
     "@babel/register": "^7.15.3",
     "@babel/runtime": "^7.15.4",
-    "@polkadot/api": "6.1.2-3",
-    "@polkadot/rpc-provider": "6.1.2-3",
-    "@polkadot/types": "6.1.2-3",
-    "@polkadot/types-support": "6.1.2-3",
+    "@polkadot/api": "6.1.2",
+    "@polkadot/rpc-provider": "6.1.2",
+    "@polkadot/types": "6.1.2",
+    "@polkadot/types-support": "6.1.2",
     "@polkadot/util": "^7.4.1",
     "handlebars": "^4.7.7",
     "websocket": "^1.0.34",
diff --git a/packages/types-known/package.json b/packages/types-known/package.json
index 4faed4eb59..12fe869111 100644
--- a/packages/types-known/package.json
+++ b/packages/types-known/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/types-known",
-  "version": "6.1.2-3",
+  "version": "6.1.2",
   "type": "module",
   "description": "Known type definitions",
   "main": "index.js",
@@ -21,7 +21,7 @@
   "dependencies": {
     "@babel/runtime": "^7.15.4",
     "@polkadot/networks": "^7.4.1",
-    "@polkadot/types": "6.1.2-3",
+    "@polkadot/types": "6.1.2",
     "@polkadot/util": "^7.4.1"
   }
 }
diff --git a/packages/types-support/package.json b/packages/types-support/package.json
index a5a720e0f1..a1af59f4ca 100644
--- a/packages/types-support/package.json
+++ b/packages/types-support/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/types-support",
-  "version": "6.1.2-3",
+  "version": "6.1.2",
   "type": "module",
   "description": "Supporting files for types, mostly for testing",
   "main": "index.js",
diff --git a/packages/types/package.json b/packages/types/package.json
index 28ccee685d..4222862aa9 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/types",
-  "version": "6.1.2-3",
+  "version": "6.1.2",
   "type": "module",
   "description": "Implementation of the Parity codec",
   "main": "index.js",
@@ -26,7 +26,7 @@
   },
   "devDependencies": {
     "@polkadot/keyring": "^7.4.1",
-    "@polkadot/types-support": "6.1.2-3",
+    "@polkadot/types-support": "6.1.2",
     "@types/bn.js": "^4.11.6",
     "bn.js": "^4.12.0"
   }
diff --git a/yarn.lock b/yarn.lock
index ddb3fc4b52..f11a973f5a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1842,40 +1842,40 @@ __metadata:
   resolution: "@polkadot/api-contract@workspace:packages/api-contract"
   dependencies:
     "@babel/runtime": ^7.15.4
-    "@polkadot/api": 6.1.2-3
-    "@polkadot/types": 6.1.2-3
+    "@polkadot/api": 6.1.2
+    "@polkadot/types": 6.1.2
     "@polkadot/util": ^7.4.1
     rxjs: ^7.3.0
   languageName: unknown
   linkType: soft
 
-"@polkadot/api-derive@6.1.2-3, @polkadot/api-derive@workspace:packages/api-derive":
+"@polkadot/api-derive@6.1.2, @polkadot/api-derive@workspace:packages/api-derive":
   version: 0.0.0-use.local
   resolution: "@polkadot/api-derive@workspace:packages/api-derive"
   dependencies:
     "@babel/runtime": ^7.15.4
-    "@polkadot/api": 6.1.2-3
+    "@polkadot/api": 6.1.2
     "@polkadot/keyring": ^7.4.1
-    "@polkadot/rpc-core": 6.1.2-3
-    "@polkadot/rpc-provider": 6.1.2-3
-    "@polkadot/types": 6.1.2-3
+    "@polkadot/rpc-core": 6.1.2
+    "@polkadot/rpc-provider": 6.1.2
+    "@polkadot/types": 6.1.2
     "@polkadot/util": ^7.4.1
     "@polkadot/util-crypto": ^7.4.1
     rxjs: ^7.3.0
   languageName: unknown
   linkType: soft
 
-"@polkadot/api@6.1.2-3, @polkadot/api@workspace:packages/api":
+"@polkadot/api@6.1.2, @polkadot/api@workspace:packages/api":
   version: 0.0.0-use.local
   resolution: "@polkadot/api@workspace:packages/api"
   dependencies:
     "@babel/runtime": ^7.15.4
-    "@polkadot/api-derive": 6.1.2-3
+    "@polkadot/api-derive": 6.1.2
     "@polkadot/keyring": ^7.4.1
-    "@polkadot/rpc-core": 6.1.2-3
-    "@polkadot/rpc-provider": 6.1.2-3
-    "@polkadot/types": 6.1.2-3
-    "@polkadot/types-known": 6.1.2-3
+    "@polkadot/rpc-core": 6.1.2
+    "@polkadot/rpc-provider": 6.1.2
+    "@polkadot/types": 6.1.2
+    "@polkadot/types-known": 6.1.2
     "@polkadot/util": ^7.4.1
     "@polkadot/util-crypto": ^7.4.1
     eventemitter3: ^4.0.7
@@ -2000,26 +2000,26 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot/rpc-core@6.1.2-3, @polkadot/rpc-core@workspace:packages/rpc-core":
+"@polkadot/rpc-core@6.1.2, @polkadot/rpc-core@workspace:packages/rpc-core":
   version: 0.0.0-use.local
   resolution: "@polkadot/rpc-core@workspace:packages/rpc-core"
   dependencies:
     "@babel/runtime": ^7.15.4
     "@polkadot/keyring": ^7.4.1
-    "@polkadot/rpc-provider": 6.1.2-3
-    "@polkadot/types": 6.1.2-3
+    "@polkadot/rpc-provider": 6.1.2
+    "@polkadot/types": 6.1.2
     "@polkadot/util": ^7.4.1
     rxjs: ^7.3.0
   languageName: unknown
   linkType: soft
 
-"@polkadot/rpc-provider@6.1.2-3, @polkadot/rpc-provider@workspace:packages/rpc-provider":
+"@polkadot/rpc-provider@6.1.2, @polkadot/rpc-provider@workspace:packages/rpc-provider":
   version: 0.0.0-use.local
   resolution: "@polkadot/rpc-provider@workspace:packages/rpc-provider"
   dependencies:
     "@babel/runtime": ^7.15.4
     "@polkadot/keyring": ^7.4.1
-    "@polkadot/types": 6.1.2-3
+    "@polkadot/types": 6.1.2
     "@polkadot/util": ^7.4.1
     "@polkadot/util-crypto": ^7.4.1
     "@polkadot/x-fetch": ^7.4.1
@@ -2047,10 +2047,10 @@ __metadata:
     "@babel/core": ^7.15.5
     "@babel/register": ^7.15.3
     "@babel/runtime": ^7.15.4
-    "@polkadot/api": 6.1.2-3
-    "@polkadot/rpc-provider": 6.1.2-3
-    "@polkadot/types": 6.1.2-3
-    "@polkadot/types-support": 6.1.2-3
+    "@polkadot/api": 6.1.2
+    "@polkadot/rpc-provider": 6.1.2
+    "@polkadot/types": 6.1.2
+    "@polkadot/types-support": 6.1.2
     "@polkadot/util": ^7.4.1
     "@types/websocket": ^1.0.4
     "@types/yargs": ^17.0.3
@@ -2066,18 +2066,18 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/types-known@6.1.2-3, @polkadot/types-known@workspace:packages/types-known":
+"@polkadot/types-known@6.1.2, @polkadot/types-known@workspace:packages/types-known":
   version: 0.0.0-use.local
   resolution: "@polkadot/types-known@workspace:packages/types-known"
   dependencies:
     "@babel/runtime": ^7.15.4
     "@polkadot/networks": ^7.4.1
-    "@polkadot/types": 6.1.2-3
+    "@polkadot/types": 6.1.2
     "@polkadot/util": ^7.4.1
   languageName: unknown
   linkType: soft
 
-"@polkadot/types-support@6.1.2-3, @polkadot/types-support@workspace:packages/types-support":
+"@polkadot/types-support@6.1.2, @polkadot/types-support@workspace:packages/types-support":
   version: 0.0.0-use.local
   resolution: "@polkadot/types-support@workspace:packages/types-support"
   dependencies:
@@ -2086,13 +2086,13 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/types@6.1.2-3, @polkadot/types@workspace:packages/types":
+"@polkadot/types@6.1.2, @polkadot/types@workspace:packages/types":
   version: 0.0.0-use.local
   resolution: "@polkadot/types@workspace:packages/types"
   dependencies:
     "@babel/runtime": ^7.15.4
     "@polkadot/keyring": ^7.4.1
-    "@polkadot/types-support": 6.1.2-3
+    "@polkadot/types-support": 6.1.2
     "@polkadot/util": ^7.4.1
     "@polkadot/util-crypto": ^7.4.1
     "@types/bn.js": ^4.11.6