diff --git a/.tool-versions b/.tool-versions
new file mode 100644
index 0000000..c3373e9
--- /dev/null
+++ b/.tool-versions
@@ -0,0 +1,2 @@
+ruby 3.2.0
+postgres 9.6.22
diff --git a/lib/queue_classic_plus/version.rb b/lib/queue_classic_plus/version.rb
index 7d2591e..201cb7a 100644
--- a/lib/queue_classic_plus/version.rb
+++ b/lib/queue_classic_plus/version.rb
@@ -1,3 +1,3 @@
 module QueueClassicPlus
-  VERSION = '4.0.0.alpha10'.freeze
+  VERSION = '4.0.0.alpha11'.freeze
 end