diff --git a/nameprep/src/it/jpms-nameprep/pom.xml b/nameprep/src/it/jpms-nameprep/pom.xml
index 6bbc61f..294b1ca 100644
--- a/nameprep/src/it/jpms-nameprep/pom.xml
+++ b/nameprep/src/it/jpms-nameprep/pom.xml
@@ -25,7 +25,7 @@
     <dependency>
       <groupId>org.junit.jupiter</groupId>
       <artifactId>junit-jupiter</artifactId>
-      <version>5.11.3</version>
+      <version>5.11.4</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
@@ -48,7 +48,7 @@
       <plugin>
         <groupId>de.sormuras.junit</groupId>
         <artifactId>junit-platform-maven-plugin</artifactId>
-        <version>1.1.7</version>
+        <version>1.1.8</version>
         <extensions>true</extensions> <!-- Necessary to execute it in 'test' phase. -->
         <configuration>
           <isolation>ABSOLUTE</isolation>
diff --git a/parent/pom.xml b/parent/pom.xml
index a02c755..8d96c7f 100644
--- a/parent/pom.xml
+++ b/parent/pom.xml
@@ -74,12 +74,12 @@
     <maven.compiler.target>${base.java.version}</maven.compiler.target>
     <project.build.outputTimestamp>2024-06-25T23:30:00Z</project.build.outputTimestamp>
     <!-- Dependency versions -->
-    <junit5.version>5.11.3</junit5.version>
+    <junit5.version>5.11.4</junit5.version>
     <!-- Plugins versions -->
     <compiler-plugin.version>3.13.0</compiler-plugin.version>
     <jar-plugin.version>3.4.2</jar-plugin.version>
     <source-plugin.version>3.3.1</source-plugin.version>
-    <javadoc-plugin.version>3.11.1</javadoc-plugin.version>
+    <javadoc-plugin.version>3.11.2</javadoc-plugin.version>
     <clean-plugin.version>3.4.0</clean-plugin.version>
     <resources-plugin.version>3.3.1</resources-plugin.version>
     <surefire-plugin.version>3.5.2</surefire-plugin.version>
@@ -87,7 +87,7 @@
     <enforcer-plugin.version>3.5.0</enforcer-plugin.version>
     <install-plugin.version>3.1.3</install-plugin.version>
     <deploy-plugin.version>3.1.3</deploy-plugin.version>
-    <invoker-plugin.version>3.8.1</invoker-plugin.version>
+    <invoker-plugin.version>3.9.0</invoker-plugin.version>
     <gpg-plugin.version>3.2.7</gpg-plugin.version>
     <jacoco-plugin.verson>0.8.12</jacoco-plugin.verson>
     <flatten-maven-plugin.version>1.6.0</flatten-maven-plugin.version>
@@ -96,7 +96,7 @@
     <sortpom-plugin.version>4.0.0</sortpom-plugin.version>
     <artifact-plugin.version>3.5.3</artifact-plugin.version>
     <!-- Checkstyle, SpotBugs and PMD properties -->
-    <checkstyle.version>10.20.2</checkstyle.version>
+    <checkstyle.version>10.21.0</checkstyle.version>
     <checkstyle-plugin.version>3.6.0</checkstyle-plugin.version>
     <spotbugs.version>4.8.6</spotbugs.version>
     <spotbugs-plugin.version>4.8.6.6</spotbugs-plugin.version>
diff --git a/saslprep/src/it/jpms-saslprep/pom.xml b/saslprep/src/it/jpms-saslprep/pom.xml
index 872be17..42c0379 100644
--- a/saslprep/src/it/jpms-saslprep/pom.xml
+++ b/saslprep/src/it/jpms-saslprep/pom.xml
@@ -25,7 +25,7 @@
     <dependency>
       <groupId>org.junit.jupiter</groupId>
       <artifactId>junit-jupiter</artifactId>
-      <version>5.11.3</version>
+      <version>5.11.4</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
@@ -48,7 +48,7 @@
       <plugin>
         <groupId>de.sormuras.junit</groupId>
         <artifactId>junit-platform-maven-plugin</artifactId>
-        <version>1.1.7</version>
+        <version>1.1.8</version>
         <extensions>true</extensions> <!-- Necessary to execute it in 'test' phase. -->
         <configuration>
           <isolation>ABSOLUTE</isolation>
diff --git a/stringprep/src/it/jpms-stringprep/pom.xml b/stringprep/src/it/jpms-stringprep/pom.xml
index 85b89f4..fcc855f 100644
--- a/stringprep/src/it/jpms-stringprep/pom.xml
+++ b/stringprep/src/it/jpms-stringprep/pom.xml
@@ -25,7 +25,7 @@
     <dependency>
       <groupId>org.junit.jupiter</groupId>
       <artifactId>junit-jupiter</artifactId>
-      <version>5.11.3</version>
+      <version>5.11.4</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
@@ -48,7 +48,7 @@
       <plugin>
         <groupId>de.sormuras.junit</groupId>
         <artifactId>junit-platform-maven-plugin</artifactId>
-        <version>1.1.7</version>
+        <version>1.1.8</version>
         <extensions>true</extensions> <!-- Necessary to execute it in 'test' phase. -->
         <configuration>
           <isolation>ABSOLUTE</isolation>