diff --git a/CHANGELOG.md b/CHANGELOG.md
index e605f34..f185bf7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ## Unreleased
  * ...
 
+## 1.1.1 [2023-04-03]
+ * Drop `phpspec/prophecy-phpunit` as a dependency, move it to `require-dev`
+
 ## 1.1.0 [2021-03-04]
  * Bump minimum PHP required version to 7.3 (#1)
  * Add PHP 8 support (#6)  
diff --git a/composer.json b/composer.json
index 8672996..9396612 100644
--- a/composer.json
+++ b/composer.json
@@ -28,7 +28,6 @@
     "require": {
         "php": "^7.3 | ^8.0",
         "ext-pcntl": "*",
-        "phpspec/prophecy-phpunit": "^2.0",
         "symfony/console": "^3.4 | ^4.0 | ^5.0"
     },
     "require-dev": {
@@ -38,6 +37,7 @@
         "phpstan/phpstan": "^0.12.55",
         "phpstan/phpstan-phpunit": "^0.12.16",
         "phpunit/phpunit": "^8.5.14 | ^9.5.2",
+        "phpspec/prophecy-phpunit": "^2.0",
         "symfony/phpunit-bridge": "^5.2",
         "vimeo/psalm": "^4.6"
     }