diff --git a/alfresco-transform-misc/alfresco-transform-misc/pom.xml b/alfresco-transform-misc/alfresco-transform-misc/pom.xml
index bae2b5b4..14c5460d 100644
--- a/alfresco-transform-misc/alfresco-transform-misc/pom.xml
+++ b/alfresco-transform-misc/alfresco-transform-misc/pom.xml
@@ -40,7 +40,7 @@
         <dependency>
             <groupId>org.apache.pdfbox</groupId>
             <artifactId>pdfbox-tools</artifactId>
-            <version>2.0.25</version>
+            <version>2.0.26</version>
         </dependency>
 
         <!-- OOXMLThumbnailContentTransformer -->
diff --git a/alfresco-transform-tika/alfresco-transform-tika/src/main/java/org/alfresco/transformer/executors/TikaOfficeDetectParser.java b/alfresco-transform-tika/alfresco-transform-tika/src/main/java/org/alfresco/transformer/executors/TikaOfficeDetectParser.java
index 6600e472..658f6745 100644
--- a/alfresco-transform-tika/alfresco-transform-tika/src/main/java/org/alfresco/transformer/executors/TikaOfficeDetectParser.java
+++ b/alfresco-transform-tika/alfresco-transform-tika/src/main/java/org/alfresco/transformer/executors/TikaOfficeDetectParser.java
@@ -32,7 +32,7 @@ import java.io.PushbackInputStream;
 import java.util.HashSet;
 import java.util.Set;
 
-import org.apache.poi.poifs.common.POIFSConstants;
+import org.apache.poi.poifs.filesystem.FileMagic;
 import org.apache.poi.util.IOUtils;
 import org.apache.tika.exception.TikaException;
 import org.apache.tika.metadata.Metadata;
@@ -95,10 +95,7 @@ public class TikaOfficeDetectParser implements Parser
         }
 
         // Which is it?
-        if (initial4[0] == POIFSConstants.OOXML_FILE_HEADER[0] &&
-            initial4[1] == POIFSConstants.OOXML_FILE_HEADER[1] &&
-            initial4[2] == POIFSConstants.OOXML_FILE_HEADER[2] &&
-            initial4[3] == POIFSConstants.OOXML_FILE_HEADER[3])
+        if (FileMagic.valueOf(initial4) == FileMagic.OOXML)
         {
             ooxmlParser.parse(wrapped, handler, metadata, parseContext);
         }
diff --git a/pom.xml b/pom.xml
index 58b749a5..bb0245d6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,7 +19,7 @@
         <maven.compiler.target>11</maven.compiler.target>
 
         <image.tag>latest</image.tag>
-        <dependency.pdfbox.version>2.0.25</dependency.pdfbox.version>
+        <dependency.pdfbox.version>2.0.26</dependency.pdfbox.version>
         <dependency.alfresco-jodconverter-core.version>3.0.1.12</dependency.alfresco-jodconverter-core.version>
         <env.project_version>${project.version}</env.project_version>
         <dependency.activemq.version>5.16.4</dependency.activemq.version>
@@ -27,8 +27,8 @@
         <dependency.jackson-databind.version>2.13.3</dependency.jackson-databind.version>
         <dependency.junit.version>4.13.2</dependency.junit.version>
         <dependency.cxf.version>3.5.2</dependency.cxf.version>
-        <dependency.tika.version>2.2.1</dependency.tika.version>
-        <dependency.poi.version>4.1.2</dependency.poi.version>
+        <dependency.tika.version>2.4.1</dependency.tika.version>
+        <dependency.poi.version>5.2.2</dependency.poi.version>
         <dependency.ooxml-schemas.version>1.4</dependency.ooxml-schemas.version>
 
         <parent.core.deploy.skip>false</parent.core.deploy.skip>