diff --git a/Gemfile.lock b/Gemfile.lock
index 7bec6b2..c34cb65 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -82,7 +82,7 @@ GEM
       jekyll (>= 3.7, < 5.0)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    json (2.18.0)
+    json (2.19.2)
     katex (0.10.0)
       execjs (~> 2.8)
     kramdown (2.5.2)
@@ -211,7 +211,7 @@ CHECKSUMS
   jekyll-sass-converter (3.1.0) sha256=83925d84f1d134410c11d0c6643b0093e82e3a3cf127e90757a85294a3862443
   jekyll-sitemap (1.4.0) sha256=0de08c5debc185ea5a8f980e1025c7cd3f8e0c35c8b6ef592f15c46235cf4218
   jekyll-watch (2.2.1) sha256=bc44ed43f5e0a552836245a54dbff3ea7421ecc2856707e8a1ee203a8387a7e1
-  json (2.18.0) sha256=b10506aee4183f5cf49e0efc48073d7b75843ce3782c68dbeb763351c08fd505
+  json (2.19.2) sha256=e7e1bd318b2c37c4ceee2444841c86539bc462e81f40d134cf97826cb14e83cf
   katex (0.10.0) sha256=f17360dd98b7b42288cb35dfa7d405ce9ec7e290c9d8a06d7f0fc8774fbfa6eb
   kramdown (2.5.2) sha256=1ba542204c66b6f9111ff00dcc26075b95b220b07f2905d8261740c82f7f02fa
   kramdown-math-katex (1.0.1) sha256=7119b299fed5ec49b9e2107d18e88f90acf4bbdf1b82a7568fd488790bb04cdc