diff --git a/Gemfile.lock b/Gemfile.lock
index 9dac3c6..95902d7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -55,8 +55,8 @@ GEM
     i18n (1.6.0)
       concurrent-ruby (~> 1.0)
     json (2.8.1)
-    kramdown (2.4.0)
-      rexml
+    kramdown (2.5.1)
+      rexml (>= 3.3.9)
     language_server-protocol (3.17.0.3)
     listen (3.9.0)
       rb-fsevent (~> 0.10, >= 0.10.3)