diff --git a/build.xml b/build.xml
index e2d57f98b6..003fcdefd4 100644
--- a/build.xml
+++ b/build.xml
@@ -283,10 +283,10 @@ under the License.
     <dependency prefix="main.jmh" artifact="org.openjdk.jmh:jmh-core:1.33" usage="main-tests"/>
     <dependency prefix="main.jmhAnnotation" artifact="org.openjdk.jmh:jmh-generator-annprocess:1.33" usage="main-tests"/>
     <dependency prefix="main.hamcrest" artifact="org.hamcrest:hamcrest:2.2" usage="main-tests"/>
-    <dependency prefix="main.xmlunit" artifact="org.xmlunit:xmlunit-core:2.8.2" usage="main-tests"/>
+    <dependency prefix="main.xmlunit" artifact="org.xmlunit:xmlunit-core:2.8.3" usage="main-tests"/>
     <dependency prefix="main.mockito" artifact="org.mockito:mockito-core:4.0.0" usage="main-tests"/>
-    <dependency prefix="main.byte-buddy" artifact="net.bytebuddy:byte-buddy:1.11.20" usage="main-tests"/>
-    <dependency prefix="main.byte-buddy-agent" artifact="net.bytebuddy:byte-buddy-agent:1.11.20" usage="main-tests"/>
+    <dependency prefix="main.byte-buddy" artifact="net.bytebuddy:byte-buddy:1.11.21" usage="main-tests"/>
+    <dependency prefix="main.byte-buddy-agent" artifact="net.bytebuddy:byte-buddy-agent:1.11.21" usage="main-tests"/>
     <dependency prefix="main.objenesis" artifact="org.objenesis:objenesis:3.1" usage="main-tests"/>
     <dependency prefix="main.log4j-core" artifact="org.apache.logging.log4j:log4j-core:2.14.1" usage="main-tests"/>
     <dependency prefix="main.commons-logging" artifact="commons-logging:commons-logging:1.2" usage="main-tests"/>
diff --git a/poi-ooxml-lite-agent/build.gradle b/poi-ooxml-lite-agent/build.gradle
index 3a0d0af780..de47dce382 100644
--- a/poi-ooxml-lite-agent/build.gradle
+++ b/poi-ooxml-lite-agent/build.gradle
@@ -31,8 +31,8 @@ repositories {
 }
 
 dependencies {
-    api 'net.bytebuddy:byte-buddy:1.11.20'
-    api 'net.bytebuddy:byte-buddy-agent:1.11.20'
+    api 'net.bytebuddy:byte-buddy:1.11.21'
+    api 'net.bytebuddy:byte-buddy-agent:1.11.21'
     api "org.apache.xmlbeans:xmlbeans:${xmlbeansVersion}"
 }
 
diff --git a/poi-ooxml/build.gradle b/poi-ooxml/build.gradle
index 6d4ca0bc7d..c2487d0a80 100644
--- a/poi-ooxml/build.gradle
+++ b/poi-ooxml/build.gradle
@@ -139,7 +139,7 @@ dependencies {
     testImplementation project(path:':poi', configuration:'tests')
     testImplementation project(path:':poi-ooxml-lite-agent', configuration: 'archives')
     testImplementation 'org.apiguardian:apiguardian-api:1.1.2'
-    testImplementation 'org.xmlunit:xmlunit-core:2.8.2'
+    testImplementation 'org.xmlunit:xmlunit-core:2.8.3'
     testImplementation 'org.reflections:reflections:0.10.1'
     testImplementation 'org.openjdk.jmh:jmh-core:1.33'
     testImplementation 'org.openjdk.jmh:jmh-generator-annprocess:1.33'