diff --git a/api/ruby/building-your-first-github-app/Gemfile b/api/ruby/building-your-first-github-app/Gemfile
index 2c4d810..f4afe05 100644
--- a/api/ruby/building-your-first-github-app/Gemfile
+++ b/api/ruby/building-your-first-github-app/Gemfile
@@ -1,5 +1,5 @@
 source "https://rubygems.org"
 
 gem "jwt", "~> 2.1"
-gem "octokit", "~> 4.0"
+gem "octokit", "~> 4.23", ">= 4.23.0"
 gem "sinatra", "~> 4.0", ">= 4.0.1"
diff --git a/api/ruby/building-your-first-github-app/Gemfile.lock b/api/ruby/building-your-first-github-app/Gemfile.lock
index ce514dd..5d0000e 100644
--- a/api/ruby/building-your-first-github-app/Gemfile.lock
+++ b/api/ruby/building-your-first-github-app/Gemfile.lock
@@ -1,40 +1,26 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.8.6)
-      public_suffix (>= 2.0.2, < 6.0)
+    addressable (2.8.8)
+      public_suffix (>= 2.0.2, < 8.0)
     base64 (0.3.0)
-    faraday (1.10.3)
-      faraday-em_http (~> 1.0)
-      faraday-em_synchrony (~> 1.0)
-      faraday-excon (~> 1.1)
-      faraday-httpclient (~> 1.0)
-      faraday-multipart (~> 1.0)
-      faraday-net_http (~> 1.0)
-      faraday-net_http_persistent (~> 1.0)
-      faraday-patron (~> 1.0)
-      faraday-rack (~> 1.0)
-      faraday-retry (~> 1.0)
-      ruby2_keywords (>= 0.0.4)
-    faraday-em_http (1.0.0)
-    faraday-em_synchrony (1.0.0)
-    faraday-excon (1.1.0)
-    faraday-httpclient (1.0.1)
-    faraday-multipart (1.0.4)
-      multipart-post (~> 2)
-    faraday-net_http (1.0.1)
-    faraday-net_http_persistent (1.2.0)
-    faraday-patron (1.0.0)
-    faraday-rack (1.0.0)
-    faraday-retry (1.0.3)
+    faraday (2.14.1)
+      faraday-net_http (>= 2.0, < 3.5)
+      json
+      logger
+    faraday-net_http (3.4.2)
+      net-http (~> 0.5)
+    json (2.18.1)
     jwt (2.1.0)
     logger (1.7.0)
-    multipart-post (2.3.0)
     mustermann (3.0.4)
       ruby2_keywords (~> 0.0.1)
-    octokit (4.9.0)
-      sawyer (~> 0.8.0, >= 0.5.3)
-    public_suffix (5.0.4)
+    net-http (0.9.1)
+      uri (>= 0.11.1)
+    octokit (4.25.1)
+      faraday (>= 1, < 3)
+      sawyer (~> 0.9)
+    public_suffix (6.0.2)
     rack (3.2.3)
     rack-protection (4.2.1)
       base64 (>= 0.1.0)
@@ -44,9 +30,9 @@ GEM
       base64 (>= 0.1.0)
       rack (>= 3.0.0)
     ruby2_keywords (0.0.5)
-    sawyer (0.8.2)
+    sawyer (0.9.3)
       addressable (>= 2.3.5)
-      faraday (> 0.8, < 2.0)
+      faraday (>= 0.17.3, < 3)
     sinatra (4.2.1)
       logger (>= 1.6.0)
       mustermann (~> 3.0)
@@ -55,13 +41,14 @@ GEM
       rack-session (>= 2.0.0, < 3)
       tilt (~> 2.0)
     tilt (2.6.1)
+    uri (1.1.1)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
   jwt (~> 2.1)
-  octokit (~> 4.0)
+  octokit (~> 4.23, >= 4.23.0)
   sinatra (~> 4.0, >= 4.0.1)
 
 BUNDLED WITH