diff --git a/pom.xml b/pom.xml
index 55ccd1c..1c8426c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.htmlunit</groupId>
     <artifactId>htmlunit-cssparser</artifactId>
-    <version>4.4.0</version>
+    <version>4.5.0-SNAPSHOT</version>
     <name>HtmlUnit CSS Parser</name>
     <organization>
         <name>HtmlUnit</name>
@@ -20,8 +20,8 @@
         <maven.compiler.source>8</maven.compiler.source>
         <maven.compiler.target>8</maven.compiler.target>
 
-        <checkstyle.version>10.17.0</checkstyle.version>
-        <dependencycheck.version>10.0.3</dependencycheck.version>
+        <checkstyle.version>10.18.2</checkstyle.version>
+        <dependencycheck.version>10.0.4</dependencycheck.version>
     </properties>
 
     <build>
@@ -68,7 +68,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>3.3.1</version>
+                <version>3.5.1</version>
             </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
@@ -148,7 +148,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-checkstyle-plugin</artifactId>
-                <version>3.4.0</version>
+                <version>3.5.0</version>
                 <configuration>
                     <configLocation>checkstyle.xml</configLocation>
                     <suppressionsLocation>checkstyle_suppressions.xml</suppressionsLocation>
@@ -197,7 +197,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-javadoc-plugin</artifactId>
-                <version>3.8.0</version>
+                <version>3.10.1</version>
                 <configuration>
                     <additionalparam>--allow-script-in-comments</additionalparam>
                     <excludePackageNames>org.htmlunit.cssparser.parser.javacc</excludePackageNames>
@@ -213,7 +213,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-gpg-plugin</artifactId>
-                <version>3.2.4</version>
+                <version>3.2.7</version>
                 <executions>
                     <execution>
                         <phase>verify</phase>
@@ -321,13 +321,13 @@
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-engine</artifactId>
-            <version>5.10.2</version>
+            <version>5.11.2</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>commons-io</groupId>
             <artifactId>commons-io</artifactId>
-            <version>2.16.1</version>
+            <version>2.17.0</version>
             <scope>test</scope>
         </dependency>
     </dependencies>