diff --git a/NEWS.md b/NEWS.md
index caf8860e0e..cd4728a2a4 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -83,7 +83,7 @@ The following bundled gems are updated.
 * minitest 5.18.1
 * test-unit 3.6.1
 * net-imap 0.3.6
-* rbs 3.1.0
+* rbs 3.1.1
 * typeprof 0.21.7
 * debug 1.8.0
 
diff --git a/gems/bundled_gems b/gems/bundled_gems
index 7b28da98f5..11e23fd227 100644
--- a/gems/bundled_gems
+++ b/gems/bundled_gems
@@ -17,7 +17,7 @@ net-pop         0.1.2   https://github.com/ruby/net-pop
 net-smtp        0.3.3   https://github.com/ruby/net-smtp
 matrix          0.4.2   https://github.com/ruby/matrix
 prime           0.1.2   https://github.com/ruby/prime
-rbs             3.1.0   https://github.com/ruby/rbs b943e7e60493ba312a7c9f5f5e0069a40da90320
+rbs             3.1.1   https://github.com/ruby/rbs
 typeprof        0.21.7  https://github.com/ruby/typeprof aabc019684d8b4a1ed66c2a1ca48da7bbb18dcc0
 debug           1.8.0   https://github.com/ruby/debug
 racc            1.7.1   https://github.com/ruby/racc