diff --git a/Gemfile.lock b/Gemfile.lock
index d7e2e3e..ba186cc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -23,8 +23,8 @@ GEM
       simplecov_json_formatter (~> 0.1)
     simplecov-html (0.12.3)
     simplecov_json_formatter (0.1.4)
-    syntax_tree (5.0.1)
-      prettier_print (>= 1.1.0)
+    syntax_tree (5.1.0)
+      prettier_print (>= 1.2.0)
     temple (0.9.1)
     thor (1.2.1)
     tilt (2.0.11)