diff --git a/Gemfile.lock b/Gemfile.lock
index 487ff86..d4a5163 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -33,6 +33,7 @@ GEM
     faraday-patron (1.0.0)
     faraday-rack (1.0.0)
     faraday-retry (1.0.3)
+    ffi (1.15.5)
     ffi (1.15.5-x64-mingw-ucrt)
     ffi (1.15.5-x64-mingw32)
     forwardable-extended (2.6.0)
@@ -83,7 +84,8 @@ GEM
     rb-fsevent (0.11.1)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.5)
+    rexml (3.3.3)
+      strscan
     rouge (3.28.0)
     ruby2_keywords (0.0.5)
     safe_yaml (1.0.5)
@@ -94,6 +96,7 @@ GEM
     sawyer (0.8.2)
       addressable (>= 2.3.5)
       faraday (> 0.8, < 2.0)
+    strscan (3.1.0)
     terminal-table (2.0.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
     unicode-display_width (1.8.0)
@@ -103,6 +106,7 @@ GEM
 PLATFORMS
   x64-mingw-ucrt
   x64-mingw32
+  x86_64-linux
 
 DEPENDENCIES
   jekyll