diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fd9c293c..53fb59d0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
     
     strategy:
       matrix:
-        java: ['8', '11', '17', '21']
+        java: ['17', '21']
     
     steps:
     - name: Checkout code
@@ -47,7 +47,7 @@ jobs:
         retention-days: 7
     
     - name: Upload coverage report
-      if: matrix.java == '8'
+      if: matrix.java == '17'
       uses: actions/upload-artifact@v4
       with:
         name: coverage-report
@@ -64,10 +64,10 @@ jobs:
     - name: Checkout code
       uses: actions/checkout@v4
     
-    - name: Set up JDK 8
+    - name: Set up JDK 17
       uses: actions/setup-java@v4
       with:
-        java-version: '8'
+        java-version: '17'
         distribution: 'temurin'
         cache: 'maven'
     
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 234aa59e..457312fc 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -32,10 +32,10 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v4
 
-    - name: Set up JDK 8
+    - name: Set up JDK 17
       uses: actions/setup-java@v4
       with:
-        java-version: '8'
+        java-version: '17'
         distribution: 'temurin'
         cache: 'maven'
 
diff --git a/README.md b/README.md
index 7375d31c..91dae6b0 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 [![Maven Central Version](https://img.shields.io/maven-central/v/org.htmlunit/neko-htmlunit)](https://central.sonatype.com/artifact/org.htmlunit/neko-htmlunit)
 [![Build Status](https://jenkins.wetator.org/buildStatus/icon?job=HtmlUnit+-+Neko)](https://jenkins.wetator.org/view/HtmlUnit/job/HtmlUnit%20-%20Neko/)
 [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
-[![Java Version](https://img.shields.io/badge/Java-8%2B-orange.svg)](https://www.oracle.com/java/)
+[![Java Version](https://img.shields.io/badge/Java-17%2B-orange.svg)](https://www.oracle.com/java/)
 
 The **Htmlunit-NekoHtml** Parser is a HTML scanner and tag balancer that enables application programmers to parse HTML documents
 and access the information using standard XML interfaces.  
@@ -16,7 +16,7 @@ NekoHTML adds missing parent elements; automatically closes elements with option
 ✅ **Standards Compliant** - Follows HTML parsing specifications  
 ✅ **Well Tested** - Over 8,000 test cases  
 ✅ **No External Dependencies** - Pure Java implementation  
-✅ **Java 8+ Compatible** - Works with Java 8, 11, 17, 21 and beyond  
+✅ **Java 17+ Compatible** - Works with Java 17, 21 and beyond  
 ✅ **Android Support** - Runs on Android platforms  
 
 The **Htmlunit-NekoHtml** Parser is used by [HtmlUnit](https://htmlunit.sourceforge.io/).
diff --git a/pom.xml b/pom.xml
index f918eb05..c1f9346b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -20,8 +20,8 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.build.timestamp.format>yyyy-MM-dd HH:mm</maven.build.timestamp.format>
 
-        <maven.compiler.source>8</maven.compiler.source>
-        <maven.compiler.target>8</maven.compiler.target>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
 
         <!-- test dependencies -->
         <junit.version>5.14.1</junit.version>
@@ -262,7 +262,7 @@
                                     <version>3.6.3</version>
                                 </requireMavenVersion>
                                 <requireJavaVersion>
-                                    <version>1.8.0</version>
+                                    <version>17</version>
                                 </requireJavaVersion>
                                 <dependencyConvergence />
                             </rules>