diff --git a/gemfiles/typecheck/Gemfile.lock b/gemfiles/typecheck/Gemfile.lock
index 4460d320e9..a5363e44fb 100644
--- a/gemfiles/typecheck/Gemfile.lock
+++ b/gemfiles/typecheck/Gemfile.lock
@@ -42,7 +42,7 @@ GEM
       ast (~> 2.4.1)
       racc
     power_assert (3.0.1)
-    prism (1.7.0)
+    prism (1.9.0)
     racc (1.8.1)
     rainbow (3.1.1)
     rake (13.3.1)
@@ -51,7 +51,7 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)
       ffi (~> 1.0)
-    rbi (0.3.7)
+    rbi (0.3.9)
       prism (~> 1.0)
       rbs (>= 3.4.4)
     rbs (3.10.3)