diff --git a/.github/workflows/test-gradle.yml b/.github/workflows/test-gradle.yml
index fa85e4f5e..930f6a78e 100644
--- a/.github/workflows/test-gradle.yml
+++ b/.github/workflows/test-gradle.yml
@@ -23,11 +23,11 @@ jobs:
       uses: actions/setup-java@v4
       with:
         distribution: 'temurin'
-        java-version: '8'
+        java-version: '17'
         cache: 'gradle'
 
     - name: Grant execute permission for gradlew
       run: chmod +x gradlew
 
     - name: Build with Gradle
-      run: ./gradlew test -PjdkVersion=8 --no-daemon
+      run: ./gradlew test -PjdkVersion=17 --no-daemon
diff --git a/LICENSE-binary.txt b/LICENSE-binary.txt
index 081c3906a..d4176ab6c 100755
--- a/LICENSE-binary.txt
+++ b/LICENSE-binary.txt
@@ -234,4 +234,4 @@ org.slf4j:slf4j-api:1.7.25
 Mozilla Public License 2.0
 --------------------------
 
-net.sf.saxon:Saxon-HE:12.9
+net.sf.saxon:Saxon-HE:13.0
diff --git a/build.gradle b/build.gradle
index 0623db100..5f8bacc8d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -69,7 +69,7 @@ ext {
     antVersion = '1.10.15'
     javaparserVersion = '3.28.2'
     log4jVersion = '2.26.0'
-    saxonVersion = '12.9'
+    saxonVersion = '13.0'
     androidSdkMinimum = '26'
     jdkVersion = (project.properties['jdkVersion'] ?: '8') as int
 }
diff --git a/build.xml b/build.xml
index 877ea00c7..493274018 100644
--- a/build.xml
+++ b/build.xml
@@ -121,7 +121,7 @@
     <!-- dependencies -->
     <dependency prefix="xml-apis" artifact="xml-apis:xml-apis:1.4.01" usage="java8"/>
     <dependency prefix="log4j-api" artifact="org.apache.logging.log4j:log4j-api:2.26.0" usage="main"/>
-    <dependency prefix="saxon" artifact="net.sf.saxon:Saxon-HE:12.9" usage="main"/>
+    <dependency prefix="saxon" artifact="net.sf.saxon:Saxon-HE:13.0" usage="main"/>
     <dependency prefix="ant" artifact="org.apache.ant:ant:1.10.15" usage="main"/>
     <dependency prefix="javaparser-core" artifact="com.github.javaparser:javaparser-core:3.28.2" usage="main"/>
     <dependency prefix="javaparser-symbol-solver-core" artifact="com.github.javaparser:javaparser-symbol-solver-core:3.28.2" usage="main"/>
diff --git a/src/main/maven/org.apache.xmlbeans/xmlbeans/pom.xml b/src/main/maven/org.apache.xmlbeans/xmlbeans/pom.xml
index 0f4b99d6d..3c99b47aa 100644
--- a/src/main/maven/org.apache.xmlbeans/xmlbeans/pom.xml
+++ b/src/main/maven/org.apache.xmlbeans/xmlbeans/pom.xml
@@ -96,7 +96,7 @@
         <dependency>
             <groupId>net.sf.saxon</groupId>
             <artifactId>Saxon-HE</artifactId>
-            <version>12.9</version>
+            <version>13.0</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
diff --git a/src/main/maven/plugin.xml b/src/main/maven/plugin.xml
index 24b1d190c..74f09cbf0 100644
--- a/src/main/maven/plugin.xml
+++ b/src/main/maven/plugin.xml
@@ -417,7 +417,7 @@
         <dependency>
             <groupId>net.sf.saxon</groupId>
             <artifactId>Saxon-HE</artifactId>
-            <version>12.9</version>
+            <version>13.0</version>
         </dependency>
         <dependency>
             <groupId>com.github.javaparser</groupId>