diff --git a/.changeset/quiet-dolls-do.md b/.changeset/quiet-dolls-do.md
deleted file mode 100644
index c933451e9e..0000000000
--- a/.changeset/quiet-dolls-do.md
+++ /dev/null
@@ -1,6 +0,0 @@
----
-"@nomiclabs/hardhat-etherscan": patch
----
-
-- Added Arbitrum Goerli to the list of supported networks.
-- Fixed the Optimism Goerli URLs.
diff --git a/.changeset/tall-llamas-remember.md b/.changeset/tall-llamas-remember.md
deleted file mode 100644
index 27f20f3649..0000000000
--- a/.changeset/tall-llamas-remember.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"hardhat": patch
----
-
-Fixed a problem that was preventing Hardhat from being used in Alpine Linux.
diff --git a/.changeset/twelve-camels-peel.md b/.changeset/twelve-camels-peel.md
deleted file mode 100644
index d5f47df5ec..0000000000
--- a/.changeset/twelve-camels-peel.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"@nomiclabs/hardhat-ethers": patch
----
-
-`getContractAt` doesn't throw anymore if the given address is not a contract.
diff --git a/packages/hardhat-core/CHANGELOG.md b/packages/hardhat-core/CHANGELOG.md
index 3046123d5f..1dbf4bffa5 100644
--- a/packages/hardhat-core/CHANGELOG.md
+++ b/packages/hardhat-core/CHANGELOG.md
@@ -1,5 +1,11 @@
 # hardhat
 
+## 2.12.1
+
+### Patch Changes
+
+- 145b12c7d: Fixed a problem that was preventing Hardhat from being used in Alpine Linux.
+
 ## 2.12.0
 
 ### Minor Changes
diff --git a/packages/hardhat-core/package.json b/packages/hardhat-core/package.json
index 29fa293ce1..234af5a991 100644
--- a/packages/hardhat-core/package.json
+++ b/packages/hardhat-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "hardhat",
-  "version": "2.12.0",
+  "version": "2.12.1",
   "author": "Nomic Labs LLC",
   "license": "MIT",
   "homepage": "https://hardhat.org",
diff --git a/packages/hardhat-ethers/CHANGELOG.md b/packages/hardhat-ethers/CHANGELOG.md
index 74a8c4495b..295af4ff67 100644
--- a/packages/hardhat-ethers/CHANGELOG.md
+++ b/packages/hardhat-ethers/CHANGELOG.md
@@ -1,5 +1,11 @@
 # @nomiclabs/hardhat-ethers
 
+## 2.2.1
+
+### Patch Changes
+
+- 136f25a9e: `getContractAt` doesn't throw anymore if the given address is not a contract.
+
 ## 2.2.0
 
 ### Minor Changes
diff --git a/packages/hardhat-ethers/package.json b/packages/hardhat-ethers/package.json
index 7544dd5066..7a2d25da11 100644
--- a/packages/hardhat-ethers/package.json
+++ b/packages/hardhat-ethers/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nomiclabs/hardhat-ethers",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "description": "Hardhat plugin for ethers",
   "homepage": "https://github.com/nomiclabs/hardhat/tree/master/packages/hardhat-ethers",
   "repository": "github:nomiclabs/hardhat",
diff --git a/packages/hardhat-etherscan/CHANGELOG.md b/packages/hardhat-etherscan/CHANGELOG.md
index de12862ac8..7835e8f01b 100644
--- a/packages/hardhat-etherscan/CHANGELOG.md
+++ b/packages/hardhat-etherscan/CHANGELOG.md
@@ -1,5 +1,12 @@
 # @nomiclabs/hardhat-etherscan
 
+## 3.1.2
+
+### Patch Changes
+
+- eb3f7a7bd: - Added Arbitrum Goerli to the list of supported networks.
+  - Fixed the Optimism Goerli URLs.
+
 ## 3.1.1
 
 ### Patch Changes
diff --git a/packages/hardhat-etherscan/package.json b/packages/hardhat-etherscan/package.json
index cbf1db312f..471c59240a 100644
--- a/packages/hardhat-etherscan/package.json
+++ b/packages/hardhat-etherscan/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nomiclabs/hardhat-etherscan",
-  "version": "3.1.1",
+  "version": "3.1.2",
   "description": "Hardhat plugin for verifying contracts on etherscan",
   "repository": "github:nomiclabs/hardhat",
   "homepage": "https://github.com/nomiclabs/hardhat/tree/master/packages/hardhat-etherscan",