diff --git a/composer.json b/composer.json
index 7623b9a2cb05f2c0d768b2c941e9b287294f8f7d..52ad5a68f117dece1199f7b82ca9d7304b292d4c 100644
--- a/composer.json
+++ b/composer.json
@@ -11,12 +11,12 @@
     ],
     "require": {
         "php": ">=7.1",
-        "jangregor/phpstan-prophecy": "0.5.0",
-        "phpstan/phpstan": "~0.11.7",
-        "phpstan/phpstan-beberlei-assert": "~0.11.0",
-        "phpstan/phpstan-doctrine": "~0.11.1",
-        "phpstan/phpstan-phpunit": "~0.11.0",
-        "phpstan/phpstan-symfony": "~0.11.1"
+        "jangregor/phpstan-prophecy": "~0.6",
+        "phpstan/phpstan": "~0.12.0",
+        "phpstan/phpstan-beberlei-assert": "~0.12.0",
+        "phpstan/phpstan-doctrine": "~0.12.0",
+        "phpstan/phpstan-phpunit": "~0.12.0",
+        "phpstan/phpstan-symfony": "~0.12.0"
     },
     "bin": [
         "bin/phpstan-watch"
@@ -31,7 +31,7 @@
     },
     "extra": {
 	"branch-alias": {
-            "dev-master": "2.x-dev"
+            "dev-master": "3.x-dev"
         }
     },
     "archive": {
diff --git a/phpunit.neon b/phpunit.neon
index 4824995876193704000426bdc8edf060571193e1..cc15a9f41aab132ddc2b29503082bb2d269102c8 100644
--- a/phpunit.neon
+++ b/phpunit.neon
@@ -1,4 +1,4 @@
 includes:
     - %rootDir%/../phpstan-phpunit/extension.neon
     - %rootDir%/../phpstan-phpunit/rules.neon
-    - %rootDir%/../../jangregor/phpstan-prophecy/src/extension.neon
+    - %rootDir%/../../jangregor/phpstan-prophecy/extension.neon