diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/OpenState.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/OpenState.java
index 2fe8e9c2..d4d355f6 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/OpenState.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/OpenState.java
@@ -22,8 +22,7 @@
 import java.io.InputStreamReader;
 import java.util.List;
 
-import at.gv.egiz.pdfas.lib.impl.pdfbox2.placeholder.SignatureFieldsAndPlaceHolderExtractor;
-
+import org.apache.pdfbox.Loader;
 import org.apache.pdfbox.pdmodel.PDDocument;
 
 //Imports
@@ -43,6 +42,7 @@
 import at.asit.pdfover.gui.workflow.Status;
 import at.asit.pdfover.gui.workflow.config.ConfigurationManager;
 import at.asit.pdfover.signer.SignaturePosition;
+import at.gv.egiz.pdfas.lib.impl.pdfbox3.PDFBoxPlaceholderExtractor;
 import at.gv.egiz.pdfas.lib.impl.placeholder.SignaturePlaceholderData;
 import lombok.extern.slf4j.Slf4j;
 
@@ -127,7 +127,7 @@ public void run() {
 		// scan for signature placeholders
 		// - see if we want to scan for placeholders in the settings
 		if (config.getEnablePlaceholderUsage()) {
-			try (PDDocument pddocument = PDDocument.load(getStateMachine().status.document)) {
+			try (PDDocument pddocument = Loader.loadPDF(getStateMachine().status.document)) {
 				// - scan for placeholders
 				boolean useSignatureFields = config.getUseSignatureFields();
 				boolean useMarker = config.getUseMarker();
@@ -135,7 +135,7 @@ public void run() {
 				//first check the signature fields placeholder
 				if (useSignatureFields) {
 
-					List<String> fields = SignatureFieldsAndPlaceHolderExtractor.findEmptySignatureFields(pddocument);
+					List<String> fields = PDFBoxPlaceholderExtractor.findEmptySignatureFields(pddocument);
 
 					if (fields.size() > 0) {
 						while (true)
@@ -183,7 +183,7 @@ public void run() {
 					// second check if qr code placeholder search is enabled
 				} else if (useMarker) {
 
-					SignaturePlaceholderData signaturePlaceholderData = SignatureFieldsAndPlaceHolderExtractor.getNextUnusedSignaturePlaceHolder(pddocument);
+					SignaturePlaceholderData signaturePlaceholderData = PDFBoxPlaceholderExtractor.getNextUnusedSignaturePlaceholder(pddocument);
 
 					if (null != signaturePlaceholderData) {
 
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/PositioningState.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/PositioningState.java
index cf7e91c8..7008350e 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/PositioningState.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/PositioningState.java
@@ -19,6 +19,7 @@
 import java.io.File;
 import java.io.IOException;
 
+import org.apache.pdfbox.Loader;
 import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.pdmodel.encryption.InvalidPasswordException;
 import org.eclipse.swt.SWT;
@@ -75,7 +76,7 @@ private void openPDFDocument() throws IOException {
 		PDDocument pdf = null;
 		try
 		{
-			pdf = PDDocument.load(documentPath);
+			pdf = Loader.loadPDF(documentPath);
 			if (pdf.getNumberOfPages() > 0)
 				pdf.getPage(0);
 			else
diff --git a/pdf-over-signer/pom.xml b/pdf-over-signer/pom.xml
index b6ae2c25..1f60f850 100644
--- a/pdf-over-signer/pom.xml
+++ b/pdf-over-signer/pom.xml
@@ -7,10 +7,10 @@
 		<relativePath>..</relativePath>
 	</parent>
 	<artifactId>pdf-over-signer</artifactId>
-	<name>PDF-Over PDF-AS 4 Signer</name>
+	<name>PDF-Over PDF-AS Signer</name>
 	<properties>
 		<pdfover-build.root-dir>${project.basedir}/..</pdfover-build.root-dir>
-		<pdfover-build.pdfas-version>4.4.2</pdfover-build.pdfas-version>
+		<pdfover-build.pdfas-version>5.0.1-SNAPSHOT</pdfover-build.pdfas-version>
 	</properties>
     <dependencies>
 		<dependency>
@@ -25,7 +25,7 @@
 		</dependency>
 		<dependency>
 			<groupId>at.gv.egiz.pdfas</groupId>
-			<artifactId>pdf-as-pdfbox-2</artifactId>
+			<artifactId>pdf-as-pdfbox-3</artifactId>
 			<version>${pdfover-build.pdfas-version}</version>
 		</dependency>
 		<dependency>
@@ -36,17 +36,17 @@
 		<dependency>
 			<groupId>iaik</groupId>
 			<artifactId>iaik_eccelerate</artifactId>
-			<version>3.01</version>
+			<version>6.02</version>
 		</dependency>
 		<dependency>
 			<groupId>iaik</groupId>
 			<artifactId>iaik_cms</artifactId>
-			<version>2.15</version>
+			<version>5.1.1</version>
 		</dependency>
 		<dependency>
 			<groupId>iaik</groupId>
 			<artifactId>iaik_eccelerate_cms</artifactId>
-			<version>3.01</version>
+			<version>6.02</version>
 		</dependency>
 		<dependency>
 			<groupId>at.a-sit</groupId>
diff --git a/pdf-over-signer/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4BKUSLConnector.java b/pdf-over-signer/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4BKUSLConnector.java
index b45b559c..ccd6aa93 100644
--- a/pdf-over-signer/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4BKUSLConnector.java
+++ b/pdf-over-signer/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4BKUSLConnector.java
@@ -16,8 +16,8 @@
 package at.asit.pdfover.signer.pdfas;
 
 // Imports
-import javax.xml.bind.JAXBElement;
-import javax.xml.bind.JAXBException;
+import jakarta.xml.bind.JAXBElement;
+import jakarta.xml.bind.JAXBException;
 
 import at.asit.pdfover.signer.BkuSlConnector;
 import at.asit.pdfover.signer.SignatureException;
diff --git a/pdf-over-signer/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4Signer.java b/pdf-over-signer/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4Signer.java
index 17299354..73cb7e3d 100644
--- a/pdf-over-signer/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4Signer.java
+++ b/pdf-over-signer/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4Signer.java
@@ -3,8 +3,6 @@
 import java.io.ByteArrayOutputStream;
 import java.util.UUID;
 
-import javax.activation.DataSource;
-
 import at.asit.pdfover.commons.Constants;
 import at.asit.pdfover.commons.Profile;
 import at.asit.pdfover.signer.ByteArrayDocumentSource;
@@ -87,7 +85,7 @@ public static PdfAs4SigningState prepare(PdfAs4SignatureParameter parameter) thr
 
 			PdfAs4SigningState state = new PdfAs4SigningState();
 			ByteArrayOutputStream output = new ByteArrayOutputStream();
-			DataSource input = new ByteArrayDataSource(parameter.inputDocument.getByteArray());
+			ByteArrayDataSource input = new ByteArrayDataSource(parameter.inputDocument.getByteArray());
 			SignParameter param = PdfAsFactory.createSignParameter(config, input, output);
 			if (sigPos != null) {
 				param.setSignaturePosition(sigPos);
diff --git a/pom.xml b/pom.xml
index 7c5f23ce..0864a78f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -112,7 +112,7 @@
 		<java.version>21</java.version>
 		<maven.compiler.release>21</maven.compiler.release>
 		<pdfover-build.root-dir>${project.basedir}</pdfover-build.root-dir>
-		<pdfbox.version>2.0.34</pdfbox.version>
+		<pdfbox.version>3.0.6</pdfbox.version>
 		<swt.version>3.134.0</swt.version>
 	</properties>
 
@@ -232,11 +232,6 @@
 				<artifactId>metadata-extractor</artifactId>
 				<version>2.18.0</version>
 			</dependency>
-			<dependency>
-    			<groupId>javax.activation</groupId>
-    			<artifactId>activation</artifactId>
-    			<version>1.1.1</version>
-			</dependency>
 			<dependency>
 				<groupId>com.google.code.findbugs</groupId>
 				<artifactId>jsr305</artifactId>
diff --git a/release-instructions/publish.sh b/release-instructions/publish.sh
index 4b7a02ad..4a115825 100644
--- a/release-instructions/publish.sh
+++ b/release-instructions/publish.sh
@@ -1,5 +1,18 @@
 #!/bin/bash
 
+orig="$PWD"
+if [[ "$orig" != /tmp/* ]]; then
+    tmp=$(mktemp -d)
+
+    mvn clean
+    cp -a . "$tmp/repo"
+
+    cd "$tmp/repo"
+    ./release-instructions/publish.sh "$@"
+
+    cp -a pdf-over-build "$orig/"
+fi
+
 #### CONFIGURE: ######
 LOG_DIR="/tmp/pdfover_log"
 
diff --git a/repo/iaik/iaik_cms/2.15/iaik_cms-2.15.jar b/repo/iaik/iaik_cms/5.1.1/iaik_cms-5.1.1.jar
similarity index 53%
rename from repo/iaik/iaik_cms/2.15/iaik_cms-2.15.jar
rename to repo/iaik/iaik_cms/5.1.1/iaik_cms-5.1.1.jar
index 2696ed2b..127160d1 100644
Binary files a/repo/iaik/iaik_cms/2.15/iaik_cms-2.15.jar and b/repo/iaik/iaik_cms/5.1.1/iaik_cms-5.1.1.jar differ
diff --git a/repo/iaik/iaik_cms/2.15/iaik_cms-2.15.pom b/repo/iaik/iaik_cms/5.1.1/iaik_cms-5.1.1.pom
similarity index 94%
rename from repo/iaik/iaik_cms/2.15/iaik_cms-2.15.pom
rename to repo/iaik/iaik_cms/5.1.1/iaik_cms-5.1.1.pom
index b7913010..af9dbe9a 100644
--- a/repo/iaik/iaik_cms/2.15/iaik_cms-2.15.pom
+++ b/repo/iaik/iaik_cms/5.1.1/iaik_cms-5.1.1.pom
@@ -4,6 +4,6 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>iaik</groupId>
   <artifactId>iaik_cms</artifactId>
-  <version>2.15</version>
+  <version>5.1.1</version>
   <description>POM was created from install:install-file</description>
 </project>
diff --git a/repo/iaik/iaik_eccelerate/3.01/iaik_eccelerate-3.01.jar b/repo/iaik/iaik_eccelerate/3.01/iaik_eccelerate-3.01.jar
deleted file mode 100644
index 0ec31103..00000000
Binary files a/repo/iaik/iaik_eccelerate/3.01/iaik_eccelerate-3.01.jar and /dev/null differ
diff --git a/repo/iaik/iaik_eccelerate/6.02/iaik_eccelerate-6.02.jar b/repo/iaik/iaik_eccelerate/6.02/iaik_eccelerate-6.02.jar
new file mode 100644
index 00000000..e30b629e
Binary files /dev/null and b/repo/iaik/iaik_eccelerate/6.02/iaik_eccelerate-6.02.jar differ
diff --git a/repo/iaik/iaik_eccelerate/3.01/iaik_eccelerate-3.01.pom b/repo/iaik/iaik_eccelerate/6.02/iaik_eccelerate-6.02.pom
similarity index 94%
rename from repo/iaik/iaik_eccelerate/3.01/iaik_eccelerate-3.01.pom
rename to repo/iaik/iaik_eccelerate/6.02/iaik_eccelerate-6.02.pom
index 625307e4..1cb18168 100644
--- a/repo/iaik/iaik_eccelerate/3.01/iaik_eccelerate-3.01.pom
+++ b/repo/iaik/iaik_eccelerate/6.02/iaik_eccelerate-6.02.pom
@@ -4,6 +4,6 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>iaik</groupId>
   <artifactId>iaik_eccelerate</artifactId>
-  <version>3.01</version>
+  <version>6.02</version>
   <description>POM was created from install:install-file</description>
 </project>
diff --git a/repo/iaik/iaik_eccelerate_cms/3.01/iaik_eccelerate_cms-3.01.jar b/repo/iaik/iaik_eccelerate_cms/3.01/iaik_eccelerate_cms-3.01.jar
deleted file mode 100644
index 3c9ac832..00000000
Binary files a/repo/iaik/iaik_eccelerate_cms/3.01/iaik_eccelerate_cms-3.01.jar and /dev/null differ
diff --git a/repo/iaik/iaik_eccelerate_cms/6.02/iaik_eccelerate_cms-6.02.jar b/repo/iaik/iaik_eccelerate_cms/6.02/iaik_eccelerate_cms-6.02.jar
new file mode 100644
index 00000000..32d7aec0
Binary files /dev/null and b/repo/iaik/iaik_eccelerate_cms/6.02/iaik_eccelerate_cms-6.02.jar differ
diff --git a/repo/iaik/iaik_eccelerate_cms/3.01/iaik_eccelerate_cms-3.01.pom b/repo/iaik/iaik_eccelerate_cms/6.02/iaik_eccelerate_cms-6.02.pom
similarity index 94%
rename from repo/iaik/iaik_eccelerate_cms/3.01/iaik_eccelerate_cms-3.01.pom
rename to repo/iaik/iaik_eccelerate_cms/6.02/iaik_eccelerate_cms-6.02.pom
index 12f42b4f..36ad16ad 100644
--- a/repo/iaik/iaik_eccelerate_cms/3.01/iaik_eccelerate_cms-3.01.pom
+++ b/repo/iaik/iaik_eccelerate_cms/6.02/iaik_eccelerate_cms-6.02.pom
@@ -4,6 +4,6 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>iaik</groupId>
   <artifactId>iaik_eccelerate_cms</artifactId>
-  <version>3.01</version>
+  <version>6.02</version>
   <description>POM was created from install:install-file</description>
 </project>