diff --git a/lib/cidr.rb b/lib/cidr.rb
old mode 100755
new mode 100644
diff --git a/lib/cidr_shortcuts.rb b/lib/cidr_shortcuts.rb
old mode 100755
new mode 100644
diff --git a/lib/eui.rb b/lib/eui.rb
old mode 100755
new mode 100644
diff --git a/lib/ip_math.rb b/lib/ip_math.rb
old mode 100755
new mode 100644
diff --git a/lib/methods.rb b/lib/methods.rb
old mode 100755
new mode 100644
diff --git a/lib/netaddr.rb b/lib/netaddr.rb
old mode 100755
new mode 100644
diff --git a/lib/tree.rb b/lib/tree.rb
old mode 100755
new mode 100644
diff --git a/lib/validation_shortcuts.rb b/lib/validation_shortcuts.rb
old mode 100755
new mode 100644
diff --git a/netaddr.gemspec b/netaddr.gemspec
index 80b69cc..fc357fb 100644
--- a/netaddr.gemspec
+++ b/netaddr.gemspec
@@ -2,8 +2,8 @@
 # install with: netaddr*.gem
 Gem::Specification.new do |s|
     s.name      =   "netaddr"
-    s.version   =   "1.5.2"
-    s.date      =   "2016-01-26"
+    s.version   =   "1.5.3"
+    s.date      =   "2021-10-07"
     s.author    =   "Dustin Spinhirne"
     s.summary   =   "A package for manipulating network addresses."
     s.files = Dir['lib/*.rb'] + Dir['test/*']
diff --git a/test/cidr_test.rb b/test/cidr_test.rb
old mode 100755
new mode 100644
diff --git a/test/eui_test.rb b/test/eui_test.rb
old mode 100755
new mode 100644
diff --git a/test/methods_test.rb b/test/methods_test.rb
old mode 100755
new mode 100644
diff --git a/test/tree_test.rb b/test/tree_test.rb
old mode 100755
new mode 100644