diff --git a/Gemfile.lock b/Gemfile.lock
old mode 100755
new mode 100644
index 2f0a408..e8369fc
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -238,12 +238,11 @@ GEM
     thread_safe (0.3.6)
     typhoeus (1.3.1)
       ethon (>= 0.9.0)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     tzinfo-data (1.2019.3)
       tzinfo (>= 1.0.0)
     unicode-display_width (1.6.0)
-    wdm (0.1.1)
 
 PLATFORMS
   ruby
@@ -255,7 +254,6 @@ DEPENDENCIES
   jekyll-feed (~> 0.6)
   minima (~> 2.0)
   tzinfo-data
-  wdm (~> 0.1.0)
 
 BUNDLED WITH
    2.1.4