diff --git a/Gemfile.lock b/Gemfile.lock
index 6dde7c9..12e2930 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -62,7 +62,7 @@ GEM
       method_source (~> 1.0)
     pry-nav (1.0.0)
       pry (>= 0.9.10, < 0.15)
-    psych (4.0.5)
+    psych (5.1.0)
       stringio
     racc (1.6.0)
     rack (2.2.3.1)
@@ -94,7 +94,7 @@ GEM
     rubyzip (2.3.2)
     semver2 (3.4.2)
     sorbet-runtime (0.5.10404)
-    stringio (3.0.2)
+    stringio (3.0.5)
     syntax_tree (3.5.0)
       prettier_print
     test-unit (3.5.3)