diff --git a/Gemfile.lock b/Gemfile.lock
index 7fd3468d8..c361195b9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    rbs (4.0.0.dev.4)
+    rbs (4.0.0.dev.5)
       logger
       prism (>= 1.3.0)
       tsort
diff --git a/lib/rbs/version.rb b/lib/rbs/version.rb
index 243ef09e1..1da78c1ef 100644
--- a/lib/rbs/version.rb
+++ b/lib/rbs/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module RBS
-  VERSION = "4.0.0.dev.4"
+  VERSION = "4.0.0.dev.5"
 end