diff --git a/Gemfile.lock b/Gemfile.lock
index 36b0c1a..a4e14fc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -37,7 +37,7 @@ GEM
       jekyll (>= 3.8, < 5.0)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    kramdown (2.3.0)
+    kramdown (2.3.1)
       rexml
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
@@ -67,12 +67,13 @@ GEM
     webrick (1.7.0)
 
 PLATFORMS
+  ruby
   x86_64-darwin-19
 
 DEPENDENCIES
   jekyll (~> 4.2.0)
-  jekyll-feed (~> 0.12)
-  minima (~> 2.5)
+  jekyll-feed (~> 0.15, >= 0.15.1)
+  minima (~> 2.5, >= 2.5.1)
   tzinfo (~> 1.2)
   tzinfo-data
   wdm (~> 0.1.1)