diff --git a/.github/workflows/backward-compatibility.yml b/.github/workflows/backward-compatibility.yml
index 49af305c..ecfb7fbd 100644
--- a/.github/workflows/backward-compatibility.yml
+++ b/.github/workflows/backward-compatibility.yml
@@ -6,7 +6,7 @@ on:
   pull_request:
   push:
     branches:
-      - "2.0.x"
+      - "2.1.x"
 
 jobs:
   backward-compatibility:
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0c05365c..9118fafd 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -6,7 +6,7 @@ on:
   pull_request:
   push:
     branches:
-      - "2.0.x"
+      - "2.1.x"
 
 jobs:
   lint:
diff --git a/.github/workflows/release-tweet.yml b/.github/workflows/release-tweet.yml
index 58485c77..5e4d56bc 100644
--- a/.github/workflows/release-tweet.yml
+++ b/.github/workflows/release-tweet.yml
@@ -10,7 +10,7 @@ jobs:
   tweet:
     runs-on: ubuntu-latest
     steps:
-      - uses: Eomm/why-don-t-you-tweet@v1
+      - uses: Eomm/why-don-t-you-tweet@v2
         if: ${{ !github.event.repository.private }}
         with:
           # GitHub event payload
diff --git a/.github/workflows/send-pr.yml b/.github/workflows/send-pr.yml
index 2503256e..b2836aa6 100644
--- a/.github/workflows/send-pr.yml
+++ b/.github/workflows/send-pr.yml
@@ -35,7 +35,7 @@ jobs:
 
       - name: "Create Pull Request"
         id: create-pr
-        uses: peter-evans/create-pull-request@v6
+        uses: peter-evans/create-pull-request@v7
         with:
           token: ${{ secrets.PHPSTAN_BOT_TOKEN }}
           path: ./phpstan-src
diff --git a/.github/workflows/test-slevomat-coding-standard.yml b/.github/workflows/test-slevomat-coding-standard.yml
index be6353b9..8ce55469 100644
--- a/.github/workflows/test-slevomat-coding-standard.yml
+++ b/.github/workflows/test-slevomat-coding-standard.yml
@@ -6,7 +6,7 @@ on:
   pull_request:
   push:
     branches:
-      - "2.0.x"
+      - "2.1.x"
 
 jobs:
   tests:
diff --git a/README.md b/README.md
index ff6e808e..2dae7b2d 100644
--- a/README.md
+++ b/README.md
@@ -13,9 +13,9 @@ For the complete list of supported PHPDoc features check out PHPStan documentati
 
 * [PHPDoc Basics](https://phpstan.org/writing-php-code/phpdocs-basics) (list of PHPDoc tags)
 * [PHPDoc Types](https://phpstan.org/writing-php-code/phpdoc-types) (list of PHPDoc types)
-* [phpdoc-parser API Reference](https://phpstan.github.io/phpdoc-parser/2.0.x/namespace-PHPStan.PhpDocParser.html) with all the AST node types etc.
+* [phpdoc-parser API Reference](https://phpstan.github.io/phpdoc-parser/2.1.x/namespace-PHPStan.PhpDocParser.html) with all the AST node types etc.
 
-This parser also supports parsing [Doctrine Annotations](https://github.com/doctrine/annotations). The AST nodes live in the [PHPStan\PhpDocParser\Ast\PhpDoc\Doctrine namespace](https://phpstan.github.io/phpdoc-parser/2.0.x/namespace-PHPStan.PhpDocParser.Ast.PhpDoc.Doctrine.html).
+This parser also supports parsing [Doctrine Annotations](https://github.com/doctrine/annotations). The AST nodes live in the [PHPStan\PhpDocParser\Ast\PhpDoc\Doctrine namespace](https://phpstan.github.io/phpdoc-parser/2.1.x/namespace-PHPStan.PhpDocParser.Ast.PhpDoc.Doctrine.html).
 
 ## Installation