diff --git a/.github/workflows/specs.yml b/.github/workflows/specs.yml
index 7c7f57b8..25ed1824 100644
--- a/.github/workflows/specs.yml
+++ b/.github/workflows/specs.yml
@@ -17,8 +17,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [ jruby-9.4.12.0, jruby, ruby ]
-        neo4j: [ 4.4.42, 5.26.5, 2025.03.0 ]
+        ruby: [ jruby-9.4.14.0, jruby, ruby ]
+        neo4j: [ 4.4.46, 5.26.14, 2025.09.0 ]
         include:
           - ruby: jruby
             java-version: 21
diff --git a/jruby/neo4j/driver/ext/config_converter.rb b/jruby/neo4j/driver/ext/config_converter.rb
index 53cc5bdc..64ed28d7 100644
--- a/jruby/neo4j/driver/ext/config_converter.rb
+++ b/jruby/neo4j/driver/ext/config_converter.rb
@@ -68,14 +68,14 @@ def trust_strategy(**config)
 
         def notification_config(minimum_severity: nil, disabled_categories: nil)
           org.neo4j.driver.internal.InternalNotificationConfig.new(
-            value_of(org.neo4j.driver.internal.InternalNotificationSeverity, minimum_severity),
+            value_of(org.neo4j.driver.internal.InternalNotificationSeverity, minimum_severity).or_else(nil),
             disabled_categories
-              &.map { |value| value_of(org.neo4j.driver.internal.InternalNotificationCategory, value) }
+              &.map { |value| value_of(org.neo4j.driver.NotificationClassification, value) }
               &.then(&java.util.HashSet.method(:new)))
         end
 
         def value_of(klass, value)
-          klass.value_of(value&.to_s&.upcase).or_else(nil)
+          klass.value_of(value&.to_s&.upcase)
         end
       end
     end
diff --git a/spec/neo4j/driver/dev_manual_examples_spec.rb b/spec/neo4j/driver/dev_manual_examples_spec.rb
index d900ecb0..b162016b 100644
--- a/spec/neo4j/driver/dev_manual_examples_spec.rb
+++ b/spec/neo4j/driver/dev_manual_examples_spec.rb
@@ -87,9 +87,15 @@
 
       it { is_expected.to be true }
     end
+
+    context 'Example 2.12. Notification config' do
+      let(:config) { { notification_config: { minimum_severity: :warning, disabled_categories: [:hint, :generic] } } }
+
+      it { is_expected.to be true }
+    end
   end
 
-  context 'Example 2.12. Service unavailable' do
+  context 'Example 2.13. Service unavailable' do
     def add_item(driver)
       session = driver.session
       session.execute_write { |tx| tx.run('CREATE (a:Item)') }
@@ -293,4 +299,32 @@ def match_person_nodes(tx)
       expect(add_employees('abc')).to eq(2)
     end
   end
+
+  context '5. Notification config', version: '>=5', jruby: true do
+    subject do
+      driver.session do |session|
+        result = session.run(
+          'MATCH p=shortestPath((:Person {name: $start})-[*]->(:Person {name: $end})) RETURN p',
+          start: 'Alice',
+          end: 'Bob'
+        )
+        result.consume.notifications.map(&:code)
+      end
+    end
+
+    let(:host) { 'localhost' } # work around for https://github.com/neo4j/neo4j-java-driver/issues/1652
+    let(:driver) { Neo4j::Driver::GraphDatabase.driver(uri, basic_auth_token, **config) }
+
+    context 'Example 5.1. Default severity and categories' do
+      let(:config) { {} }
+
+      it { is_expected.not_to be_empty }
+    end
+
+    context 'Example 5.2. Custom severity and categories' do
+      let(:config) { { notification_config: { minimum_severity: :warning, disabled_categories: [:hint, :generic] } } }
+
+      it { is_expected.to be_empty }
+    end
+  end
 end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 77c792c7..3e7630c3 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -39,6 +39,7 @@
   config.filter_run_excluding auth: :none
   config.filter_run_excluding version: method(:not_version?)
   config.filter_run_excluding concurrency: true unless RUBY_PLATFORM == 'java'
+  config.filter_run_excluding jruby: true unless RUBY_PLATFORM == 'java'
   config.exclude_pattern = 'spec/ruby/**/*_spec.rb' if RUBY_PLATFORM == 'java'
   Neo4j::Driver::Internal::Deprecator.deprecator.behavior = :silence
 end