diff --git a/CHANGELOG.md b/CHANGELOG.md
index 20c6ff6..f3a7802 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,9 @@
-1.1.1 (unreleased)
+1.2.0
 =====
 
 * (improvement) Remove duplicate space in command.
+* (improvement) Bump PHPStan 
+* (feature) Add PHPUnit extension for PHPStan
 
 
 1.1.0
diff --git a/_init/library/vendor-bin/phpstan/composer.json b/_init/library/vendor-bin/phpstan/composer.json
index 1029b45..cf165ff 100644
--- a/_init/library/vendor-bin/phpstan/composer.json
+++ b/_init/library/vendor-bin/phpstan/composer.json
@@ -4,10 +4,11 @@
 	},
 	"require-dev": {
 		"phpstan/extension-installer": "^1.3.1",
-		"phpstan/phpstan": "^1.10.67",
-		"phpstan/phpstan-deprecation-rules": "^1.1.4",
-		"phpstan/phpstan-doctrine": "^1.3.69",
-		"phpstan/phpstan-symfony": "^1.3.12",
+		"phpstan/phpstan": "^1.11",
+		"phpstan/phpstan-deprecation-rules": "^1.2",
+		"phpstan/phpstan-doctrine": "^1.4",
+		"phpstan/phpstan-phpunit": "^1.4",
+		"phpstan/phpstan-symfony": "^1.4",
 		"roave/security-advisories": "dev-latest",
 		"staabm/phpstan-todo-by": "^0.1.25"
 	},
diff --git a/_init/symfony/vendor-bin/phpstan/composer.json b/_init/symfony/vendor-bin/phpstan/composer.json
index 1029b45..cf165ff 100644
--- a/_init/symfony/vendor-bin/phpstan/composer.json
+++ b/_init/symfony/vendor-bin/phpstan/composer.json
@@ -4,10 +4,11 @@
 	},
 	"require-dev": {
 		"phpstan/extension-installer": "^1.3.1",
-		"phpstan/phpstan": "^1.10.67",
-		"phpstan/phpstan-deprecation-rules": "^1.1.4",
-		"phpstan/phpstan-doctrine": "^1.3.69",
-		"phpstan/phpstan-symfony": "^1.3.12",
+		"phpstan/phpstan": "^1.11",
+		"phpstan/phpstan-deprecation-rules": "^1.2",
+		"phpstan/phpstan-doctrine": "^1.4",
+		"phpstan/phpstan-phpunit": "^1.4",
+		"phpstan/phpstan-symfony": "^1.4",
 		"roave/security-advisories": "dev-latest",
 		"staabm/phpstan-todo-by": "^0.1.25"
 	},
diff --git a/phpstan/lib.neon b/phpstan/lib.neon
index ae098f5..4301639 100644
--- a/phpstan/lib.neon
+++ b/phpstan/lib.neon
@@ -9,9 +9,7 @@ parameters:
     checkUninitializedProperties: true
     inferPrivatePropertyTypeFromConstructor: true
     polluteScopeWithLoopInitialAssignments: false
-    # as soon as PHPStan 1.11 is released
-    # reportPossiblyNonexistentConstantArrayOffset: true
-    # reportPossiblyNonexistentGeneralArrayOffset: true
+    reportPossiblyNonexistentConstantArrayOffset: true
     reportUnmatchedIgnoredErrors: false
     treatPhpDocTypesAsCertain: false