diff --git a/Gemfile.lock b/Gemfile.lock
index 5f4c9e68..1c41546f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -350,7 +350,7 @@ GEM
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.2)
-    solargraph (0.55.4)
+    solargraph (0.56.0)
       backport (~> 1.2)
       benchmark (~> 0.4)
       bundler (~> 2.0)
@@ -362,6 +362,7 @@ GEM
       observer (~> 0.1)
       ostruct (~> 0.6)
       parser (~> 3.0)
+      prism (~> 1.4)
       rbs (~> 3.3)
       reverse_markdown (~> 3.0)
       rubocop (~> 1.38)