diff --git a/.rubocop.yml b/.rubocop.yml
index 1f68b52..c5214bb 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -1,2 +1,2 @@
 AllCops:
-  TargetRubyVersion: 2.5
+  TargetRubyVersion: 3.2
diff --git a/README.md b/README.md
index 4a98574..ed6873c 100755
--- a/README.md
+++ b/README.md
@@ -153,7 +153,7 @@ applications:
   - conjur
   buildpacks:
   - conjur_buildpack
-  - php_buildpack
+  - ruby_buildpack
   env:
     SECRETS_YAML_PATH: lib/secrets.yml
 ```
@@ -202,7 +202,7 @@ applications:
   - conjur
   buildpacks:
   - conjur_buildpack
-  - php_buildpack
+  - ruby_buildpack
   env:
     SECRETS_YAML_PATH: lib/secrets.yml
     SECRETS_YAML_ENVIRONMENT: staging
diff --git a/tests/integration/apps/ruby/Gemfile b/tests/integration/apps/ruby/Gemfile
index ee11b60..84f0142 100644
--- a/tests/integration/apps/ruby/Gemfile
+++ b/tests/integration/apps/ruby/Gemfile
@@ -1,9 +1,10 @@
 source 'https://rubygems.org'
 
-ruby '~> 2.5'
+ruby '~> 3.2'
 
 gem 'sinatra', ">= 2.2.0"
 gem 'rack', ">= 2.2.4"
 
 gem 'conjur-api'
 gem 'conjur-cli'
+gem 'thin'
diff --git a/tests/integration/apps/ruby/Gemfile.lock b/tests/integration/apps/ruby/Gemfile.lock
index 8adda97..7e13ad8 100644
--- a/tests/integration/apps/ruby/Gemfile.lock
+++ b/tests/integration/apps/ruby/Gemfile.lock
@@ -1,73 +1,88 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (7.0.3.1)
+    activesupport (6.1.7.2)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
       tzinfo (~> 2.0)
-    concurrent-ruby (1.1.10)
-    conjur-api (5.0.0)
-      activesupport
+      zeitwerk (~> 2.3)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
+    concurrent-ruby (1.2.2)
+    conjur-api (5.4.0)
+      activesupport (>= 4.2)
+      addressable (~> 2.0)
       rest-client
-    conjur-cli (6.0.0)
-      activesupport
-      conjur-api (~> 5.0.0.beta)
+    conjur-cli (6.2.6)
+      activesupport (~> 6.0)
+      conjur-api (~> 5.3)
       deep_merge (~> 1.0)
       gli (>= 2.8.0)
-      highline (~> 1.7)
+      highline (~> 2.0)
       netrc (~> 0.10)
       table_print (~> 1.5)
-      xdg (~> 2.2)
-    deep_merge (1.2.1)
-    domain_name (0.5.20170404)
+      xdg (= 2.2.3)
+    daemons (1.4.1)
+    deep_merge (1.2.2)
+    domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
-    gli (2.17.1)
-    highline (1.7.8)
-    http-cookie (1.0.3)
+    eventmachine (1.2.7)
+    gli (2.21.0)
+    highline (2.1.0)
+    http-accept (1.7.0)
+    http-cookie (1.0.5)
       domain_name (~> 0.5)
     i18n (1.12.0)
       concurrent-ruby (~> 1.0)
-    mime-types (3.1)
+    mime-types (3.4.1)
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2016.0521)
-    minitest (5.16.2)
-    mustermann (2.0.2)
+    mime-types-data (3.2023.0218.1)
+    minitest (5.17.0)
+    mustermann (3.0.0)
       ruby2_keywords (~> 0.0.1)
     netrc (0.11.0)
-    rack (2.2.4)
-    rack-protection (2.2.3)
+    public_suffix (5.0.1)
+    rack (2.2.6.2)
+    rack-protection (3.0.5)
       rack
-    rest-client (2.0.2)
+    rest-client (2.1.0)
+      http-accept (>= 1.7.0, < 2.0)
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 4.0)
       netrc (~> 0.8)
     ruby2_keywords (0.0.5)
-    sinatra (2.2.3)
-      mustermann (~> 2.0)
-      rack (~> 2.2)
-      rack-protection (= 2.2.3)
+    sinatra (3.0.5)
+      mustermann (~> 3.0)
+      rack (~> 2.2, >= 2.2.4)
+      rack-protection (= 3.0.5)
       tilt (~> 2.0)
-    table_print (1.5.6)
-    tilt (2.0.11)
-    tzinfo (2.0.5)
+    table_print (1.5.7)
+    thin (1.8.1)
+      daemons (~> 1.0, >= 1.0.9)
+      eventmachine (~> 1.0, >= 1.0.4)
+      rack (>= 1, < 3)
+    tilt (2.1.0)
+    tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     unf (0.1.4)
       unf_ext
-    unf_ext (0.0.7.4)
+    unf_ext (0.0.8.2)
     xdg (2.2.3)
+    zeitwerk (2.6.7)
 
 PLATFORMS
-  ruby
+  x86_64-linux
 
 DEPENDENCIES
   conjur-api
   conjur-cli
   rack (>= 2.2.4)
   sinatra (>= 2.2.0)
+  thin
 
 RUBY VERSION
-   ruby 2.6.3p62
+   ruby 3.2.1p31
 
 BUNDLED WITH
-   1.17.3
+   2.4.6