diff --git a/Gemfile.lock b/Gemfile.lock
index de252a3..f13f284 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,8 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     colorator (1.1.0)
     concurrent-ruby (1.1.6)
     em-websocket (0.5.1)
@@ -33,11 +33,6 @@ GEM
       jekyll (>= 3.7, < 5.0)
     jekyll-sass-converter (2.1.0)
       sassc (> 2.0.1, < 3.0)
-    jekyll-seo-tag (2.6.1)
-      jekyll (>= 3.3, < 5.0)
-    jekyll-theme-console (0.3.7)
-      jekyll (>= 3.5)
-      jekyll-seo-tag
     jekyll-watch (2.2.1)
       listen (~> 3.0)
     kramdown (2.1.0)
@@ -48,13 +43,9 @@ GEM
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
-    minima (2.5.1)
-      jekyll (>= 3.5, < 5.0)
-      jekyll-feed (~> 0.9)
-      jekyll-seo-tag (~> 2.1)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (4.0.3)
+    public_suffix (5.0.0)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
@@ -78,8 +69,6 @@ PLATFORMS
 DEPENDENCIES
   jekyll (~> 4.0.0)
   jekyll-feed (~> 0.12)
-  jekyll-theme-console
-  minima (~> 2.5)
   tzinfo (~> 1.2)
   tzinfo-data
   wdm (~> 0.1.1)