diff --git a/Gemfile b/Gemfile
old mode 100755
new mode 100644
index 1e7d42b..f9ed7ea
--- a/Gemfile
+++ b/Gemfile
@@ -7,7 +7,7 @@ gem "slim", "~> 5.2.1"
 gem "sass"
 
 # Pin transitive dependencies that Ruby 3.3 ships with multiple versions of
-gem "rack", "= 3.1.18"
+gem "rack", "3.1.20"
 gem "rexml", "= 3.4.4"
 gem "minitest", "= 5.26.0"
 gem "base64", "= 0.3.0"
diff --git a/Gemfile.lock b/Gemfile.lock
index 08b0a92..3c827d3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -100,7 +100,7 @@ GEM
     parallel (1.27.0)
     parslet (2.0.0)
     public_suffix (6.0.2)
-    rack (3.1.18)
+    rack (3.1.20)
     rack-livereload (0.6.1)
       rack (>= 3.0, < 3.2)
     rackup (2.2.1)
@@ -144,7 +144,7 @@ DEPENDENCIES
   middleman (~> 4.6.2)
   middleman-livereload (~> 3.5.0)
   minitest (= 5.26.0)
-  rack (= 3.1.18)
+  rack (= 3.1.20)
   rexml (= 3.4.4)
   sass
   slim (~> 5.2.1)