diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 3af5fb7..ef70827 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -28,8 +28,8 @@ jobs:
     name: Build and test on ${{ matrix.os }}, JDK ${{ matrix.java }}
     strategy:
       matrix:
-        java: [ '17', '24' ]
-        os: [ 'ubuntu-24.04', 'windows-2022', 'macos-14' ]
+        java: [ '21', '25' ]
+        os: [ 'ubuntu-24.04', 'windows-2022', 'macos-15' ]
     runs-on: ${{ matrix.os }}
 
     steps:
@@ -49,20 +49,20 @@ jobs:
       run: ./mvnw --batch-mode --no-transfer-progress clean verify
 
     - name: Install Linux dependencies
-      if: matrix.os == 'ubuntu-24.04' && matrix.java == '24'
+      if: matrix.os == 'ubuntu-24.04' && matrix.java == '25'
       run : |
         sudo apt update
         sudo apt install rpm
 
     - name: Test packaging
-      if: matrix.java == '24'
+      if: matrix.java == '25'
       env:
           INNOSETUP_PATH: 'C:\\Program Files (x86)\\Inno Setup 6\\iscc.exe'
       run : java .github/scripts/PackageTest.java
 
     - name: Upload test package artefacts
-      uses: actions/upload-artifact@v5
-      if: matrix.java == '24'
+      uses: actions/upload-artifact@v6
+      if: matrix.java == '25'
       with:
         name: ${{ matrix.os }}-test
         path: "target/package-test/output/"
diff --git a/NOTICE b/NOTICE
index b34bc72..4087496 100644
--- a/NOTICE
+++ b/NOTICE
@@ -1,5 +1,5 @@
 Apache NetBeans Packager (NBPackage)
-Copyright 2025 The Apache Software Foundation
+Copyright 2026 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (http://www.apache.org/).
diff --git a/README.md b/README.md
index 8c4e9d2..3c86353 100644
--- a/README.md
+++ b/README.md
@@ -102,7 +102,7 @@ this is less useful there.
 
 ## Building from source
 
-Building `nbpackage` requires JDK 11+. The project uses the Maven Wrapper.
+Building `nbpackage` requires JDK 21+. The project uses the Maven Wrapper.
 Building in the IDE or executing `mvnw package` will build the tool. Output can
 be found in `target/nbpackage-<VERSION>/`, as well as adjacent source and binary
 archives.
diff --git a/pom.xml b/pom.xml
index ded7275..7eaea55 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@ under the License.
   
   <groupId>org.apache.netbeans</groupId>
   <artifactId>nbpackage</artifactId>
-  <version>1.0-beta7-SNAPSHOT</version>
+  <version>1.0-SNAPSHOT</version>
   <packaging>jar</packaging>
   
   <name>Apache NetBeans NBPackage</name>
@@ -84,9 +84,9 @@ under the License.
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-javadoc-plugin</artifactId>
-          <version>3.11.3</version>
+          <version>3.12.0</version>
           <configuration>
-            <release>17</release>
+            <release>21</release>
           </configuration>
         </plugin>
       </plugins>
@@ -95,9 +95,9 @@ under the License.
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
-        <version>3.14.0</version>
+        <version>3.14.1</version>
         <configuration>
-          <release>17</release>
+          <release>21</release>
           <compilerArgs>
             <arg>-Xlint</arg>
             <!-- tests have no module-info -->
@@ -108,7 +108,7 @@ under the License.
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-surefire-plugin</artifactId>
-        <version>3.5.3</version>
+        <version>3.5.4</version>
       </plugin>
       <plugin>
         <groupId>org.apache.rat</groupId>
@@ -173,7 +173,7 @@ under the License.
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-assembly-plugin</artifactId>
-        <version>3.7.1</version>
+        <version>3.8.0</version>
         <executions>
           <execution>
             <id>make-src</id>
@@ -243,7 +243,7 @@ under the License.
  
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <junit.jupiter.version>5.13.4</junit.jupiter.version>
+    <junit.jupiter.version>6.0.2</junit.jupiter.version>
     <skin.groupId>org.apache.maven.skins</skin.groupId>
     <skin.artifactId>maven-fluido-skin</skin.artifactId>
     <skin.version>2.0.0-M8</skin.version>
diff --git a/src/assembly/bin/BINARY_NOTICE b/src/assembly/bin/BINARY_NOTICE
index be749e2..018c3ba 100644
--- a/src/assembly/bin/BINARY_NOTICE
+++ b/src/assembly/bin/BINARY_NOTICE
@@ -1,5 +1,5 @@
 Apache NetBeans Packager (NBPackage)
-Copyright 2024 The Apache Software Foundation
+Copyright 2026 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (http://www.apache.org/).
@@ -19,8 +19,20 @@ THIRD PARTY COMPONENTS
 
 This software includes third party software subject to the following copyrights:
 
+Apache Commons Codec
+Copyright 2002-2026 The Apache Software Foundation
+Licensed under the Apache License 2.0
+
 Apache Commons Compress
-Copyright 2002-2021 The Apache Software Foundation
+Copyright 2002-2026 The Apache Software Foundation
+Licensed under the Apache License 2.0
+
+Apache Commons IO
+Copyright 2002-2026 The Apache Software Foundation
+Licensed under the Apache License 2.0
+
+Apache Commons Lang
+Copyright 2001-2026 The Apache Software Foundation
 Licensed under the Apache License 2.0
 
 Picocli
diff --git a/src/main/java/org/apache/netbeans/nbpackage/appimage/AppImagePackager.java b/src/main/java/org/apache/netbeans/nbpackage/appimage/AppImagePackager.java
index 526be24..1a29278 100644
--- a/src/main/java/org/apache/netbeans/nbpackage/appimage/AppImagePackager.java
+++ b/src/main/java/org/apache/netbeans/nbpackage/appimage/AppImagePackager.java
@@ -57,16 +57,6 @@ public class AppImagePackager implements Packager {
                     MESSAGES.getString("option.category.default"),
                     MESSAGES.getString("option.category.help"));
 
-    /**
-     * Architecture of AppImage to create. Defaults to parsing from appimagetool
-     * file name.
-     */
-    @Deprecated(forRemoval = true)
-    static final Option<String> APPIMAGE_ARCH
-            = Option.ofString("package.appimage.arch",
-                    MESSAGES.getString("option.arch.help"))
-                    .withStatus(Option.Status.DEPRECATED);
-    
     /**
      * Optional path to custom .desktop template.
      */
@@ -80,7 +70,7 @@ public class AppImagePackager implements Packager {
     static final Template DESKTOP_TEMPLATE
             = Template.of(DESKTOP_TEMPLATE_PATH, "AppImage.desktop.template",
                     () -> AppImagePackager.class.getResourceAsStream("AppImage.desktop.template"));
-    
+
     /**
      * Optional path to custom AppRun launcher template.
      */
@@ -97,8 +87,8 @@ public class AppImagePackager implements Packager {
 
     private static final List<Option<?>> APPIMAGE_OPTIONS
             = List.of(APPIMAGE_TOOL, APPIMAGE_ICON, APPIMAGE_CATEGORY,
-                    APPIMAGE_ARCH, DESKTOP_TEMPLATE_PATH, LAUNCHER_TEMPLATE_PATH);
-    
+                    DESKTOP_TEMPLATE_PATH, LAUNCHER_TEMPLATE_PATH);
+
     private static final List<Template> APPIMAGE_TEMPLATES
             = List.of(DESKTOP_TEMPLATE, LAUNCHER_TEMPLATE);
 
diff --git a/src/main/java/org/apache/netbeans/nbpackage/appimage/AppImageTask.java b/src/main/java/org/apache/netbeans/nbpackage/appimage/AppImageTask.java
index b8d551a..f804f0f 100644
--- a/src/main/java/org/apache/netbeans/nbpackage/appimage/AppImageTask.java
+++ b/src/main/java/org/apache/netbeans/nbpackage/appimage/AppImageTask.java
@@ -76,7 +76,6 @@ protected Path buildPackage(Path image) throws Exception {
                 AppImagePackager.MESSAGES.getString("message.noappimagetool")))
                 .toAbsolutePath();
         String arch = context().getValue(NBPackage.PACKAGE_ARCH)
-                .or(() -> context().getValue(AppImagePackager.APPIMAGE_ARCH))
                 .orElse(archFromAppImageTool(tool));
         String targetName = image.getFileName().toString();
         if (targetName.endsWith(".AppDir")) {
@@ -84,7 +83,7 @@ protected Path buildPackage(Path image) throws Exception {
         }
         targetName = targetName + "-" + arch + ".AppImage";
         Path target = context().destination().resolve(targetName);
-        List<String> cmd = List.of(tool.toString(), 
+        List<String> cmd = List.of(tool.toString(),
                 image.toAbsolutePath().toString(),
                 target.toString());
         ProcessBuilder pb = new ProcessBuilder(cmd);
@@ -120,7 +119,7 @@ private String sanitize(String name) {
     }
 
     private Path findLauncher(Path binDir) throws IOException {
-        try ( var files = Files.list(binDir)) {
+        try (var files = Files.list(binDir)) {
             return files.filter(f -> !f.getFileName().toString().endsWith(".exe"))
                     .findFirst().orElseThrow(IOException::new);
         }
diff --git a/src/main/java/org/apache/netbeans/nbpackage/macos/AppBundleTask.java b/src/main/java/org/apache/netbeans/nbpackage/macos/AppBundleTask.java
index c1c3908..d2b44cd 100644
--- a/src/main/java/org/apache/netbeans/nbpackage/macos/AppBundleTask.java
+++ b/src/main/java/org/apache/netbeans/nbpackage/macos/AppBundleTask.java
@@ -165,7 +165,6 @@ String bundleName() {
     String bundleArch() {
         if (bundleArch == null) {
             bundleArch = context().getValue(NBPackage.PACKAGE_ARCH)
-                    .or(() -> context().getValue(MacOS.ARCH))
                     .map(arch -> {
                         if (Architecture.X86_64.isSynonym(arch)) {
                             return ARCH_X86_64;
diff --git a/src/main/java/org/apache/netbeans/nbpackage/macos/MacOS.java b/src/main/java/org/apache/netbeans/nbpackage/macos/MacOS.java
index c04451f..fe5a65c 100644
--- a/src/main/java/org/apache/netbeans/nbpackage/macos/MacOS.java
+++ b/src/main/java/org/apache/netbeans/nbpackage/macos/MacOS.java
@@ -61,16 +61,6 @@ class MacOS {
     static final Template INFO_TEMPLATE
             = Template.of(INFO_TEMPLATE_PATH, "Info.plist.template",
                     () -> MacOS.class.getResourceAsStream("Info.plist.template"));
-    /**
-     * Target system architecture to use for building launcher, etc. Currently
-     * supported values are aarch64, x86_64 and universal. Default attempts to
-     * parse from runtime file, if present, or universal.
-     */
-    @Deprecated(forRemoval = true)
-    static final Option<String> ARCH
-            = Option.ofString("package.macos.arch",
-                    MESSAGES.getString("option.arch.help"))
-                    .withStatus(Option.Status.DEPRECATED);
 
     /**
      * Optional launcher (main.swift) template path.
diff --git a/src/main/java/org/apache/netbeans/nbpackage/macos/PkgPackager.java b/src/main/java/org/apache/netbeans/nbpackage/macos/PkgPackager.java
index 7c32751..d357c5e 100644
--- a/src/main/java/org/apache/netbeans/nbpackage/macos/PkgPackager.java
+++ b/src/main/java/org/apache/netbeans/nbpackage/macos/PkgPackager.java
@@ -35,7 +35,6 @@ public class PkgPackager implements Packager {
             MacOS.BUNDLE_ID,
             MacOS.ICON_PATH,
             MacOS.INFO_TEMPLATE_PATH,
-            MacOS.ARCH,
             MacOS.LAUNCHER_TEMPLATE_PATH,
             MacOS.ENTITLEMENTS_TEMPLATE_PATH,
             MacOS.SIGNING_FILES,
@@ -68,5 +67,5 @@ public Stream<Option<?>> options() {
     public Stream<Template> templates() {
         return PKG_TEMPLATE.stream();
     }
-    
+
 }