diff --git a/pom.xml b/pom.xml
index 7281954..bbc37f6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -56,7 +56,7 @@
         <project.java.target>1.8</project.java.target>
         <version.findsecbugs>1.12.0</version.findsecbugs>
         <version.slf4j>2.0.9</version.slf4j>
-        <version.spotbugs.maven>4.8.1.0</version.spotbugs.maven>
+        <version.spotbugs.maven>4.8.2.0</version.spotbugs.maven>
         <version.spotbugs>4.8.2</version.spotbugs>
     </properties>
 
@@ -73,12 +73,12 @@
         <dependency>
             <groupId>org.htmlunit</groupId>
             <artifactId>neko-htmlunit</artifactId>
-            <version>3.8.0</version>
+            <version>3.9.0</version>
         </dependency>
         <dependency>
             <groupId>org.apache.httpcomponents.client5</groupId>
             <artifactId>httpclient5</artifactId>
-            <version>5.2.1</version>
+            <version>5.2.3</version>
             <exclusions>
                 <!-- exclude old versions of slf4j-api and httpcore5 as newer versions can be used -->
                 <exclusion>
@@ -223,7 +223,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-javadoc-plugin</artifactId>
-                    <version>3.6.2</version>
+                    <version>3.6.3</version>
                     <configuration>
                         <!-- supports reproducibility of generated Javadocs -->
                         <notimestamp>true</notimestamp>