diff --git a/composer.json b/composer.json
index a5e2796..fc80f9d 100644
--- a/composer.json
+++ b/composer.json
@@ -35,7 +35,7 @@
   },
   "require-dev": {
     "bbqueue/bunny": "dev-main",
-    "bunny/bunny": "^0.6@dev",
+    "bunny/bunny": "0.6.0-alpha.1@dev",
     "wyrihaximus/async-test-utilities": "^9.4.1",
     "wyrihaximus/makefiles": "^0.4.3"
   },