diff --git a/Gemfile.lock b/Gemfile.lock
index cbfeddf..24a108a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -125,7 +125,7 @@ GEM
     nokogiri (1.16.2-x86_64-linux)
       racc (~> 1.4)
     pg (1.5.4)
-    psych (5.1.1.1)
+    psych (5.1.2)
       stringio
     racc (1.7.3)
     rack (3.0.8)
@@ -166,12 +166,12 @@ GEM
       thor (~> 1.0, >= 1.2.2)
       zeitwerk (~> 2.6)
     rake (13.0.6)
-    rdoc (6.5.0)
+    rdoc (6.6.3.1)
       psych (>= 4.0.0)
     reline (0.3.9)
       io-console (~> 0.5)
     ruby2_keywords (0.0.5)
-    stringio (3.0.8)
+    stringio (3.1.0)
     thor (1.3.0)
     timeout (0.4.0)
     tzinfo (2.0.6)