diff --git a/pdf-2/pom.xml b/pdf-2/pom.xml
index ccbb5c9693..2079ff70e5 100644
--- a/pdf-2/pom.xml
+++ b/pdf-2/pom.xml
@@ -51,7 +51,7 @@
         <itextpdf.version>5.5.13.3</itextpdf.version>
         <itextpdf.core.version>7.2.3</itextpdf.core.version>
         <itextpdf.cleanup.version>3.0.1</itextpdf.cleanup.version>
-        <pdfbox.version>3.0.0-RC1</pdfbox.version>
+        <pdfbox.version>3.0.0</pdfbox.version>
     </properties>
 
 </project>
\ No newline at end of file
diff --git a/pdf-2/src/test/java/com/baeldung/pdfinfo/PdfInfoITextUnitTest.java b/pdf-2/src/test/java/com/baeldung/pdfinfo/PdfInfoITextUnitTest.java
index 422858d659..f54405a533 100644
--- a/pdf-2/src/test/java/com/baeldung/pdfinfo/PdfInfoITextUnitTest.java
+++ b/pdf-2/src/test/java/com/baeldung/pdfinfo/PdfInfoITextUnitTest.java
@@ -1,29 +1,31 @@
 package com.baeldung.pdfinfo;
 
-import org.junit.Assert;
-import org.junit.Test;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
 
 import java.io.IOException;
 import java.util.Map;
 
-public class PdfInfoITextUnitTest {
+import org.junit.jupiter.api.Test;
+
+class PdfInfoITextUnitTest {
 
     private static final String PDF_FILE = "src/test/resources/input.pdf";
 
     @Test
-    public void givenPdf_whenGetNumberOfPages_thenOK() throws IOException {
-        Assert.assertEquals(4, PdfInfoIText.getNumberOfPages(PDF_FILE));
+    void givenPdf_whenGetNumberOfPages_thenOK() throws IOException {
+        assertEquals(4, PdfInfoIText.getNumberOfPages(PDF_FILE));
     }
 
     @Test
-    public void givenPdf_whenIsPasswordRequired_thenOK() throws IOException {
-        Assert.assertFalse(PdfInfoIText.isPasswordRequired(PDF_FILE));
+    void givenPdf_whenIsPasswordRequired_thenOK() throws IOException {
+        assertFalse(PdfInfoIText.isPasswordRequired(PDF_FILE));
     }
 
     @Test
-    public void givenPdf_whenGetInfo_thenOK() throws IOException {
+    void givenPdf_whenGetInfo_thenOK() throws IOException {
         Map<String, String> info = PdfInfoIText.getInfo(PDF_FILE);
-        Assert.assertEquals("LibreOffice 4.2", info.get("Producer"));
-        Assert.assertEquals("Writer", info.get("Creator"));
+        assertEquals("LibreOffice 4.2", info.get("Producer"));
+        assertEquals("Writer", info.get("Creator"));
     }
 }
diff --git a/pdf-2/src/test/java/com/baeldung/pdfinfo/PdfInfoPdfBoxUnitTest.java b/pdf-2/src/test/java/com/baeldung/pdfinfo/PdfInfoPdfBoxUnitTest.java
index 0fcbc7ee3c..5c4e5fc30d 100644
--- a/pdf-2/src/test/java/com/baeldung/pdfinfo/PdfInfoPdfBoxUnitTest.java
+++ b/pdf-2/src/test/java/com/baeldung/pdfinfo/PdfInfoPdfBoxUnitTest.java
@@ -1,29 +1,31 @@
 package com.baeldung.pdfinfo;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+
 import org.apache.pdfbox.pdmodel.PDDocumentInformation;
-import org.junit.Assert;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.io.IOException;
 
-public class PdfInfoPdfBoxUnitTest {
+class PdfInfoPdfBoxUnitTest {
 
     private static final String PDF_FILE = "src/test/resources/input.pdf";
 
     @Test
-    public void givenPdf_whenGetNumberOfPages_thenOK() throws IOException {
-        Assert.assertEquals(4, PdfInfoPdfBox.getNumberOfPages(PDF_FILE));
+    void givenPdf_whenGetNumberOfPages_thenOK() throws IOException {
+        assertEquals(4, PdfInfoPdfBox.getNumberOfPages(PDF_FILE));
     }
 
     @Test
-    public void givenPdf_whenIsPasswordRequired_thenOK() throws IOException {
-        Assert.assertFalse(PdfInfoPdfBox.isPasswordRequired(PDF_FILE));
+    void givenPdf_whenIsPasswordRequired_thenOK() throws IOException {
+        assertFalse(PdfInfoPdfBox.isPasswordRequired(PDF_FILE));
     }
 
     @Test
-    public void givenPdf_whenGetInfo_thenOK() throws IOException {
+    void givenPdf_whenGetInfo_thenOK() throws IOException {
         PDDocumentInformation info = PdfInfoPdfBox.getInfo(PDF_FILE);
-        Assert.assertEquals("LibreOffice 4.2", info.getProducer());
-        Assert.assertEquals("Writer", info.getCreator());
+        assertEquals("LibreOffice 4.2", info.getProducer());
+        assertEquals("Writer", info.getCreator());
     }
 }
diff --git a/pdf/pom.xml b/pdf/pom.xml
index cead1b2ded..0fe90b6eb5 100644
--- a/pdf/pom.xml
+++ b/pdf/pom.xml
@@ -104,7 +104,7 @@
     </build>
 
     <properties>
-        <pdfbox-tools.version>2.0.25</pdfbox-tools.version>
+        <pdfbox-tools.version>3.0.0</pdfbox-tools.version>
         <pdf2dom.version>2.0.1</pdf2dom.version>
         <itextpdf.version>5.5.13.3</itextpdf.version>
         <xmlworker.version>5.5.10</xmlworker.version>