diff --git a/.circleci/config.yml b/.circleci/config.yml
index af5cee05..bf8a0552 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -376,10 +376,10 @@ job_configuration:
     <<: *config-3_2
     resource_class_to_use: small
     # ADD NEW RUBIES HERE
-  - &config-jruby-9_3
+  - &config-jruby-9_4
     <<: *filters_all_branches_and_tags
-    ruby_version: 'jruby-9.3.9.0'
-    image: ghcr.io/datadog/dd-trace-rb/jruby:9.3.9.0-dd
+    ruby_version: 'jruby-9.4.0.0'
+    image: ghcr.io/datadog/dd-trace-rb/jruby:9.4.0.0-dd
     resource_class_to_use: medium+
 
 workflows:
@@ -401,7 +401,7 @@ workflows:
       #       - test-3.2
       #       - test-3.3
       #       # ADD NEW RUBIES HERE
-      #       - test-jruby-9.3
+      #       - test-jruby-9.4
       # - orb/changelog:
       #     <<: *config-3_2-small
       #     name: changelog
@@ -454,13 +454,13 @@ workflows:
             - build-3.3
       # ADD NEW RUBIES HERE
       - orb/build:
-          <<: *config-jruby-9_3
-          name: build-jruby-9.3
+          <<: *config-jruby-9_4
+          name: build-jruby-9.4
       - orb/test:
-          <<: *config-jruby-9_3
-          name: test-jruby-9.3
+          <<: *config-jruby-9_4
+          name: test-jruby-9.4
           requires:
-            - build-jruby-9.3
+            - build-jruby-9.4
       # Release jobs
       # - "deploy prerelease Gem":
       #     <<: *filters_all_branches_and_tags
@@ -472,7 +472,7 @@ workflows:
       #       - test-3.2
       #       - test-3.3
       #       # ADD NEW RUBIES HERE
-      #       - test-jruby-9.3
+      #       - test-jruby-9.4
       # - "deploy release":
       #     <<: *filters_only_release_tags
       #     requires:
@@ -483,4 +483,4 @@ workflows:
       #       - test-3.2
       #       - test-3.3
       #       # ADD NEW RUBIES HERE
-      #       - test-jruby-9.3
+      #       - test-jruby-9.4
diff --git a/.standard_todo.yml b/.standard_todo.yml
index c7882a3c..6c3441cc 100644
--- a/.standard_todo.yml
+++ b/.standard_todo.yml
@@ -2,6 +2,14 @@
 # Remove from this list as you refactor files.
 ---
 ignore:
+- lib/datadog/ci/contrib/minitest/integration.rb:
+  - Style/SafeNavigation
+- lib/datadog/ci/contrib/cucumber/integration.rb:
+  - Style/SafeNavigation
+- lib/datadog/ci/contrib/rspec/integration.rb:
+  - Style/SafeNavigation
+- lib/datadog/ci/ext/environment.rb:
+  - Style/SafeNavigation
 - spec/support/log_helpers.rb:
   - Performance/UnfreezeString
 - Appraisals:
diff --git a/docker-compose.yml b/docker-compose.yml
index 43ae85e1..6dbfc649 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -84,21 +84,6 @@ services:
       - bundle-3.3:/usr/local/bundle
       - "ddagent_var_run:${TEST_DDAGENT_VAR_RUN}"
   # ADD NEW RUBIES HERE
-  datadog-ci-jruby-9.3:
-    image: ghcr.io/datadog/dd-trace-rb/jruby:9.3.9.0-dd
-    command: /bin/bash
-    depends_on:
-      - ddagent
-    env_file: ./.env
-    environment:
-      <<: *common-environment
-      BUNDLE_GEMFILE: /app/Gemfile-jruby-9.3
-    stdin_open: true
-    tty: true
-    volumes:
-      - .:/app
-      - bundle-jruby-9.3:/usr/local/bundle
-      - "ddagent_var_run:${TEST_DDAGENT_VAR_RUN}"
   datadog-ci-jruby-9.4:
     image: ghcr.io/datadog/dd-trace-rb/jruby:9.4.0.0-dd
     command: /bin/bash
@@ -131,20 +116,12 @@ services:
     volumes:
       - ddagent_var_run:/var/run/datadog
 volumes:
-  bundle-2.1:
-  bundle-2.2:
-  bundle-2.3:
-  bundle-2.4:
-  bundle-2.5:
-  bundle-2.6:
   bundle-2.7:
   bundle-3.0:
   bundle-3.1:
   bundle-3.2:
   bundle-3.3:
   # ADD NEW RUBIES HERE
-  bundle-jruby-9.2:
-  bundle-jruby-9.3:
   bundle-jruby-9.4:
   ddagent_var_run:
   # Temporary folder used while compiling the profiling native extension. We place this in a volume to avoid the
diff --git a/lib/datadog/ci/contrib/cucumber/integration.rb b/lib/datadog/ci/contrib/cucumber/integration.rb
index 153fd030..2e9c4b2d 100644
--- a/lib/datadog/ci/contrib/cucumber/integration.rb
+++ b/lib/datadog/ci/contrib/cucumber/integration.rb
@@ -14,7 +14,8 @@ class Integration
           register_as :cucumber, auto_patch: true
 
           def self.version
-            Gem.loaded_specs["cucumber"]&.version
+            Gem.loaded_specs["cucumber"] \
+              && Gem.loaded_specs["cucumber"].version
           end
 
           def self.loaded?
diff --git a/lib/datadog/ci/contrib/minitest/integration.rb b/lib/datadog/ci/contrib/minitest/integration.rb
index 125425e7..4be1ae1c 100644
--- a/lib/datadog/ci/contrib/minitest/integration.rb
+++ b/lib/datadog/ci/contrib/minitest/integration.rb
@@ -14,7 +14,7 @@ class Integration
           register_as :minitest, auto_patch: true
 
           def self.version
-            Gem.loaded_specs["minitest"]&.version
+            Gem.loaded_specs["minitest"] && Gem.loaded_specs["minitest"].version
           end
 
           def self.loaded?
diff --git a/lib/datadog/ci/contrib/rspec/integration.rb b/lib/datadog/ci/contrib/rspec/integration.rb
index cc50db04..5ce19878 100644
--- a/lib/datadog/ci/contrib/rspec/integration.rb
+++ b/lib/datadog/ci/contrib/rspec/integration.rb
@@ -16,7 +16,8 @@ class Integration
           register_as :rspec, auto_patch: true
 
           def self.version
-            Gem.loaded_specs["rspec-core"]&.version
+            Gem.loaded_specs["rspec-core"] \
+              && Gem.loaded_specs["rspec-core"].version
           end
 
           def self.loaded?
diff --git a/lib/datadog/ci/ext/environment.rb b/lib/datadog/ci/ext/environment.rb
index 2235221a..e64c5a57 100644
--- a/lib/datadog/ci/ext/environment.rb
+++ b/lib/datadog/ci/ext/environment.rb
@@ -86,7 +86,7 @@ def normalize_ref(name)
         end
 
         def filter_sensitive_info(url)
-          url&.gsub(%r{(https?://)[^/]*@}, '\1')
+          url.gsub(%r{(https?://)[^/]*@}, '\1') unless url.nil?
         end
 
         # CI providers