diff --git a/Gemfile.lock b/Gemfile.lock
index a9cf06c..d859e47 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -72,8 +72,7 @@ GEM
     regexp_parser (2.6.2)
     reverse_markdown (2.1.1)
       nokogiri
-    rexml (3.3.6)
-      strscan
+    rexml (3.3.9)
     rubocop (1.45.1)
       json (~> 2.3)
       parallel (~> 1.10)
@@ -104,7 +103,6 @@ GEM
     sawyer (0.9.2)
       addressable (>= 2.3.5)
       faraday (>= 0.17.3, < 3)
-    strscan (3.1.0)
     thor (1.3.2)
     tomlrb (2.0.3)
     tzinfo (2.0.6)