diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index cb276976c9..6e152f3d77 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -14,9 +14,9 @@ jobs:
         strategy:
             matrix:
                 php:
-                    - '8.0'
+                    - '8.1'
         steps:
-            - uses: actions/checkout@v2
+            - uses: actions/checkout@v5
 
             - name: Setup PHP Action
               uses: shivammathur/setup-php@v2
@@ -26,7 +26,7 @@ jobs:
                   extensions: 'pdo_sqlite, gd'
                   tools: cs2pr
 
-            - uses: "ramsey/composer-install@v1"
+            - uses: ramsey/composer-install@v3
               with:
                   dependency-versions: "highest"
 
@@ -47,7 +47,7 @@ jobs:
                     - '8.1'
 
         steps:
-            - uses: actions/checkout@v2
+            - uses: actions/checkout@v5
 
             - name: Setup PHP Action
               uses: shivammathur/setup-php@v2
@@ -57,7 +57,7 @@ jobs:
                   extensions: pdo_sqlite, gd
                   tools: cs2pr
 
-            - uses: "ramsey/composer-install@v1"
+            - uses: ramsey/composer-install@v3
               with:
                   dependency-versions: "highest"
 
@@ -102,7 +102,7 @@ jobs:
                     - '8.1'
 
         steps:
-            -   uses: actions/checkout@v2
+            -   uses: actions/checkout@v5
 
             -   name: Setup PHP Action
                 uses: shivammathur/setup-php@v2
@@ -112,7 +112,7 @@ jobs:
                     extensions: pdo_pgsql, gd
                     tools: cs2pr
 
-            -   uses: "ramsey/composer-install@v1"
+            -   uses: ramsey/composer-install@v3
                 with:
                     dependency-versions: "highest"
 
@@ -157,7 +157,7 @@ jobs:
                     - '8.1'
 
         steps:
-            -   uses: actions/checkout@v2
+            -   uses: actions/checkout@v5
 
             -   name: Setup PHP Action
                 uses: shivammathur/setup-php@v2
@@ -167,7 +167,7 @@ jobs:
                     extensions: pdo_mysql, gd, redis
                     tools: cs2pr
 
-            -   uses: "ramsey/composer-install@v1"
+            -   uses: ramsey/composer-install@v3
                 with:
                     dependency-versions: "highest"
 
@@ -211,7 +211,7 @@ jobs:
                     - '8.1'
 
         steps:
-            -   uses: actions/checkout@v2
+            -   uses: actions/checkout@v5
 
             -   name: Setup PHP Action
                 uses: shivammathur/setup-php@v2
@@ -221,7 +221,7 @@ jobs:
                     extensions: pdo_mysql, gd, redis
                     tools: cs2pr
 
-            -   uses: "ramsey/composer-install@v1"
+            -   uses: ramsey/composer-install@v3
                 with:
                     dependency-versions: "highest"
 
@@ -246,7 +246,7 @@ jobs:
                 image: redis
                 ports:
                     - 6379:6379
-                options: 
+                options:
                     --memory=60m
             solr:
                 image: ghcr.io/ibexa/core/solr
@@ -264,8 +264,8 @@ jobs:
                     - '7.4'
                     - '8.0'
                     - '8.1'
-        steps:   
-            - uses: actions/checkout@v2
+        steps:
+            - uses: actions/checkout@v5
               with:
                   fetch-depth: 0
 
@@ -274,13 +274,13 @@ jobs:
               with:
                   php-version: ${{ matrix.php }}
                   coverage: none
-            
+
             - name: Add solr dependency
               run: |
                 VERSION=$(jq -r '.extra | ."branch-alias" | ."dev-main"' < composer.json)
                 composer require --no-update "ibexa/solr:$VERSION"
 
-            - uses: "ramsey/composer-install@v1"
+            - uses: ramsey/composer-install@v3
               with:
                   dependency-versions: "highest"
 
diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
index 6b08a18e76..9ab6b0278e 100644
--- a/phpstan-baseline.neon
+++ b/phpstan-baseline.neon
@@ -13350,12 +13350,6 @@ parameters:
 			count: 1
 			path: src/lib/Limitation/LanguageLimitationType.php
 
-		-
-			message: '#^Method Ibexa\\Core\\Limitation\\LanguageLimitationType\:\:valueSchema\(\) return type has no value type specified in iterable type array\.$#'
-			identifier: missingType.iterableValue
-			count: 1
-			path: src/lib/Limitation/LanguageLimitationType.php
-
 		-
 			message: '#^Property Ibexa\\Core\\Limitation\\LanguageLimitationType\:\:\$versionTargetEvaluators \(array\<Ibexa\\Core\\Limitation\\LanguageLimitation\\VersionTargetEvaluator\>\) does not accept iterable\<Ibexa\\Core\\Limitation\\LanguageLimitation\\VersionTargetEvaluator\>\.$#'
 			identifier: assign.propertyType
@@ -26592,6 +26586,12 @@ parameters:
 			count: 1
 			path: src/lib/Search/Legacy/Content/Common/Gateway/CriterionHandler/DateMetadata.php
 
+		-
+			message: '#^Cannot access an offset on list\|string\|false\.$#'
+			identifier: offsetAccess.nonOffsetAccessible
+			count: 1
+			path: src/lib/Search/Legacy/Content/Common/Gateway/CriterionHandler/Field.php
+
 		-
 			message: '#^Method Ibexa\\Core\\Search\\Legacy\\Content\\Common\\Gateway\\CriterionHandler\\Field\:\:getFieldsInformation\(\) return type has no value type specified in iterable type array\.$#'
 			identifier: missingType.iterableValue