diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
old mode 100755
new mode 100644
index d982e64..4d28b1f
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -7,9 +7,9 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
       zeitwerk (~> 2.2)
-    addressable (2.7.0)
+    addressable (2.8.0)
       public_suffix (>= 2.0.2, < 5.0)
-    bibtex-ruby (5.1.0)
+    bibtex-ruby (4.4.7)
       latex-decode (~> 0.0)
     citeproc (1.0.10)
       namae (~> 1.0)
@@ -236,7 +236,7 @@ GEM
       html-pipeline (~> 2.2)
       jekyll (>= 3.0, < 5.0)
     kramdown (1.17.0)
-    latex-decode (0.3.1)
+    latex-decode (0.3.2)
     liquid (4.0.3)
     listen (3.2.1)
       rb-fsevent (~> 0.10, >= 0.10.3)