diff --git a/steep/Gemfile b/steep/Gemfile
index 906154ceb..11182dbbb 100644
--- a/steep/Gemfile
+++ b/steep/Gemfile
@@ -1,4 +1,4 @@
 source "https://rubygems.org"
 
-gem "rbs", "~> 3.7.0"
+gem "rbs", "~> 3.8.1"
 gem "steep", "~> 1.9.2"
diff --git a/steep/Gemfile.lock b/steep/Gemfile.lock
index 633a722c1..3605fc2fa 100644
--- a/steep/Gemfile.lock
+++ b/steep/Gemfile.lock
@@ -41,10 +41,10 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)
       ffi (~> 1.0)
-    rbs (3.7.0)
+    rbs (3.8.1)
       logger
     securerandom (0.4.1)
-    steep (1.9.2)
+    steep (1.9.3)
       activesupport (>= 5.1)
       concurrent-ruby (>= 1.1.10)
       csv (>= 3.0.9)
@@ -55,7 +55,7 @@ GEM
       logger (>= 1.3.0)
       parser (>= 3.1)
       rainbow (>= 2.2.2, < 4.0)
-      rbs (~> 3.7.0)
+      rbs (~> 3.8)
       securerandom (>= 0.1)
       strscan (>= 1.0.0)
       terminal-table (>= 2, < 4)
@@ -72,7 +72,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  rbs (~> 3.7.0)
+  rbs (~> 3.8.1)
   steep (~> 1.9.2)
 
 BUNDLED WITH