diff --git a/.github/workflows/documentation.yaml b/.github/workflows/documentation.yaml
index b09344d0..ea447cb6 100644
--- a/.github/workflows/documentation.yaml
+++ b/.github/workflows/documentation.yaml
@@ -24,7 +24,7 @@ jobs:
 
         steps:
             - name: Checkout
-              uses: actions/checkout@v3
+              uses: actions/checkout@v4
 
             - name: Set up Python 3.11
               uses: actions/setup-python@v4
@@ -45,7 +45,7 @@ jobs:
 
         steps:
             - name: Checkout
-              uses: actions/checkout@v3
+              uses: actions/checkout@v4
 
             - name: Run DOCtor-RST
               uses: docker://oskarstark/doctor-rst
diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
index 720b3b52..4c46caca 100644
--- a/.github/workflows/lint.yaml
+++ b/.github/workflows/lint.yaml
@@ -24,12 +24,12 @@ jobs:
 
         steps:
             - name: Checkout
-              uses: actions/checkout@v3
+              uses: actions/checkout@v4
 
             - name: Install PHP with extensions
               uses: shivammathur/setup-php@v2
               with:
-                  php-version: '8.2'
+                  php-version: '8.3'
                   coverage: none
                   tools: composer:v2
                   extensions: mongodb
@@ -49,12 +49,12 @@ jobs:
 
         steps:
             - name: Checkout
-              uses: actions/checkout@v3
+              uses: actions/checkout@v4
 
             - name: Install PHP with extensions
               uses: shivammathur/setup-php@v2
               with:
-                  php-version: '8.2'
+                  php-version: '8.3'
                   coverage: none
                   tools: composer:v2, composer-normalize:2
               env:
@@ -70,7 +70,7 @@ jobs:
 
         steps:
             - name: Checkout
-              uses: actions/checkout@v3
+              uses: actions/checkout@v4
 
             - name: Install yamllint
               run: sudo apt-get install yamllint
@@ -85,7 +85,7 @@ jobs:
 
         steps:
             - name: Checkout
-              uses: actions/checkout@v3
+              uses: actions/checkout@v4
 
             - name: Install required dependencies
               run: sudo apt-get update && sudo apt-get install libxml2-utils
diff --git a/.github/workflows/qa.yaml b/.github/workflows/qa.yaml
index 0091daf4..6e8d2e46 100644
--- a/.github/workflows/qa.yaml
+++ b/.github/workflows/qa.yaml
@@ -24,12 +24,12 @@ jobs:
 
         steps:
             - name: Checkout
-              uses: actions/checkout@v3
+              uses: actions/checkout@v4
 
             - name: Install PHP with extensions
               uses: shivammathur/setup-php@v2
               with:
-                  php-version: '8.2'
+                  php-version: '8.3'
                   coverage: none
                   tools: composer:v2
                   extensions: mongodb
@@ -49,12 +49,12 @@ jobs:
 
         steps:
             - name: Checkout code
-              uses: actions/checkout@v3
+              uses: actions/checkout@v4
 
             - name: Install PHP with extensions
               uses: shivammathur/setup-php@v2
               with:
-                  php-version: '8.2'
+                  php-version: '8.3'
                   coverage: none
                   tools: composer:v2
                   extensions: mongodb
@@ -65,7 +65,7 @@ jobs:
                   dependency-versions: highest
 
             - name: Psalm
-              run: vendor/bin/psalm --no-progress --show-info=false --stats --output-format=github --threads=$(nproc) --shepherd --php-version=8.2
+              run: vendor/bin/psalm --no-progress --show-info=false --stats --output-format=github --threads=$(nproc) --shepherd --php-version=8.3
 
     rector:
         name: Rector
@@ -74,12 +74,12 @@ jobs:
 
         steps:
             - name: Checkout code
-              uses: actions/checkout@v3
+              uses: actions/checkout@v4
 
             - name: Install PHP with extensions
               uses: shivammathur/setup-php@v2
               with:
-                  php-version: '8.2'
+                  php-version: '8.3'
                   coverage: none
                   tools: composer:v2
                   extensions: mongodb
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index d8e3b73f..5151674f 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -39,6 +39,7 @@ jobs:
                     - '8.0'
                     - '8.1'
                     - '8.2'
+                    - '8.3'
                 dependencies: [highest]
                 allowed-to-fail: [false]
                 symfony-require: ['']
@@ -48,22 +49,22 @@ jobs:
                       dependencies: lowest
                       allowed-to-fail: false
                       variant: normal
-                    - php-version: '8.2'
+                    - php-version: '8.3'
                       dependencies: highest
                       allowed-to-fail: false
                       symfony-require: 5.4.*
                       variant: symfony/symfony:"5.4.*"
-                    - php-version: '8.2'
+                    - php-version: '8.3'
                       dependencies: highest
                       allowed-to-fail: false
                       symfony-require: 6.3.*
                       variant: symfony/symfony:"6.3.*"
-                    - php-version: '8.2'
+                    - php-version: '8.3'
                       dependencies: highest
                       allowed-to-fail: false
                       symfony-require: 6.4.*
                       variant: symfony/symfony:"6.4.*"
-                    - php-version: '8.2'
+                    - php-version: '8.3'
                       dependencies: highest
                       allowed-to-fail: false
                       symfony-require: 7.0.*
@@ -71,25 +72,19 @@ jobs:
 
         steps:
             - name: Checkout
-              uses: actions/checkout@v3
+              uses: actions/checkout@v4
 
             - name: Install PHP with extensions
               uses: shivammathur/setup-php@v2
               with:
                   php-version: ${{ matrix.php-version }}
                   coverage: pcov
-                  tools: composer:v2
+                  tools: composer:v2, flex
                   extensions: mongodb
 
             - name: Add PHPUnit matcher
               run: echo "::add-matcher::${{ runner.tool_cache }}/phpunit.json"
 
-            - name: Globally install symfony/flex
-              if: matrix.symfony-require != ''
-              run: |
-                  composer global config --no-plugins allow-plugins.symfony/flex true
-                  composer global require --no-progress --no-scripts --no-plugins symfony/flex
-
             - name: Install variant
               if: matrix.variant != 'normal' && !startsWith(matrix.variant, 'symfony/symfony')
               run: composer require ${{ matrix.variant }} --no-update
diff --git a/Makefile b/Makefile
index a2c8f03b..fbf6349d 100644
--- a/Makefile
+++ b/Makefile
@@ -98,7 +98,7 @@ phpstan:
 .PHONY: phpstan
 
 psalm:
-	vendor/bin/psalm --php-version=8.2
+	vendor/bin/psalm --php-version=8.3
 .PHONY: psalm
 
 rector: