diff --git a/geode-book/Gemfile.lock b/geode-book/Gemfile.lock
index bd97f98fc1b9..2417656b949e 100644
--- a/geode-book/Gemfile.lock
+++ b/geode-book/Gemfile.lock
@@ -168,7 +168,7 @@ GEM
     minitest (5.14.4)
     multi_json (1.15.0)
     multipart-post (2.1.1)
-    nio4r (2.5.7)
+    nio4r (2.5.9)
     nokogiri (1.10.1)
       mini_portile2 (~> 2.4.0)
     padrino-helpers (0.13.3.4)
@@ -179,7 +179,7 @@ GEM
       activesupport (>= 3.1)
     parallel (1.20.1)
     public_suffix (4.0.6)
-    puma (5.3.2)
+    puma (6.3.1)
       nio4r (~> 2.0)
     rack (1.6.13)
     rack-livereload (0.3.17)