diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 9334843..4173894 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -12,11 +12,12 @@ jobs:
     runs-on: ubuntu-latest
     name: Ruby ${{ matrix.ruby }}
     strategy:
+      fail-fast: false
       matrix:
         ruby:
-          - '3.1.2' # using 3.1.2 instead of latest patch as 3.1.2 is the minimum specified in the gemspec
-          - '3.2.2'
+          - '3.2.0' # using 3.2.0 instead of latest patch as 3.2.0 is the minimum specified in the gemspec
           - '3.3.6'
+          - '3.4.7'
 
     steps:
     - uses: actions/checkout@v4
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d3b8a1a..84d1a7e 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -20,7 +20,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.2.2'
+          ruby-version: '3.4.7'
       - name: Install gems
         run: bundle install
       - name: Set version
diff --git a/.rubocop.yml b/.rubocop.yml
index 0b0dde1..7ac5a46 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -3,7 +3,7 @@ require:
   - rubocop-rspec
 
 AllCops:
-  TargetRubyVersion: 3.1.2
+  TargetRubyVersion: 3.2.0
   NewCops: enable
 
 Gemspec/DevelopmentDependencies:
diff --git a/.tool-versions b/.tool-versions
index 0583546..ef9855b 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1 +1 @@
-ruby 3.2.2
\ No newline at end of file
+ruby 3.4.7
\ No newline at end of file
diff --git a/Gemfile.lock b/Gemfile.lock
index b841a39..2e4c996 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,8 +2,9 @@ PATH
   remote: .
   specs:
     code0-identities (0.0.0)
+      base64 (~> 0.3.0)
       httparty (~> 0.22)
-      ruby-saml (~> 1.17.0)
+      ruby-saml (~> 1.18)
 
 GEM
   remote: https://rubygems.org/
@@ -11,6 +12,7 @@ GEM
     addressable (2.8.7)
       public_suffix (>= 2.0.2, < 7.0)
     ast (2.4.2)
+    base64 (0.3.0)
     bigdecimal (3.1.8)
     crack (1.0.0)
       bigdecimal
@@ -25,13 +27,13 @@ GEM
     json (2.7.2)
     language_server-protocol (3.17.0.3)
     mini_mime (1.1.5)
-    mini_portile2 (2.8.8)
+    mini_portile2 (2.8.9)
     multi_xml (0.7.1)
       bigdecimal (~> 3.1)
-    nokogiri (1.16.7)
+    nokogiri (1.18.10)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    nokogiri (1.16.7-x86_64-linux)
+    nokogiri (1.18.10-x86_64-linux-gnu)
       racc (~> 1.4)
     parallel (1.25.1)
     parser (3.3.4.0)
@@ -42,8 +44,7 @@ GEM
     rainbow (3.1.1)
     rake (13.2.1)
     regexp_parser (2.9.2)
-    rexml (3.3.4)
-      strscan
+    rexml (3.4.4)
     rspec (3.13.0)
       rspec-core (~> 3.13.0)
       rspec-expectations (~> 3.13.0)
@@ -84,10 +85,9 @@ GEM
     rubocop-rspec_rails (2.28.3)
       rubocop (~> 1.40)
     ruby-progressbar (1.13.0)
-    ruby-saml (1.17.0)
+    ruby-saml (1.18.1)
       nokogiri (>= 1.13.10)
       rexml
-    strscan (3.1.0)
     unicode-display_width (2.5.0)
     webmock (3.23.1)
       addressable (>= 2.8.0)
diff --git a/code0-identities.gemspec b/code0-identities.gemspec
index fe10e68..082039d 100644
--- a/code0-identities.gemspec
+++ b/code0-identities.gemspec
@@ -11,7 +11,7 @@ Gem::Specification.new do |spec|
   spec.summary = "Library to manage external identities"
   spec.homepage = "https://github.com/code0-tech/code0-identities"
   spec.license = "MIT"
-  spec.required_ruby_version = ">= 3.1.2"
+  spec.required_ruby_version = ">= 3.2.0"
 
   spec.metadata["homepage_uri"] = spec.homepage
   spec.metadata["source_code_uri"] = spec.homepage
@@ -30,8 +30,9 @@ Gem::Specification.new do |spec|
   spec.executables = spec.files.grep(%r{\Aexe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
+  spec.add_dependency "base64", "~> 0.3.0"
   spec.add_dependency "httparty", "~> 0.22"
-  spec.add_dependency "ruby-saml", "~> 1.17.0"
+  spec.add_dependency "ruby-saml", "~> 1.18"
 
   spec.add_development_dependency "rake", "~> 13.0"
   spec.add_development_dependency "rspec", "~> 3.0"