diff --git a/api/pom.xml b/api/pom.xml
index b197272c..79cab35b 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -52,21 +52,21 @@
         <dependency>
             <groupId>org.apache.maven</groupId>
             <artifactId>maven-resolver-provider</artifactId>
-            <version>3.8.1</version>
+            <version>3.8.4</version>
             <!-- not part of the API proper -->
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.maven.resolver</groupId>
             <artifactId>maven-resolver-connector-basic</artifactId>
-            <version>1.7.0</version>
+            <version>1.7.2</version>
             <!-- not part of the API proper -->
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.maven.resolver</groupId>
             <artifactId>maven-resolver-transport-http</artifactId>
-            <version>1.7.0</version>
+            <version>1.7.2</version>
             <!-- not part of the API proper -->
             <scope>provided</scope>
         </dependency>
diff --git a/pom.xml b/pom.xml
index 311db811..1b1e8e9d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -72,8 +72,8 @@
 
     <properties>
         <build.number>unknown</build.number>
-        <lombok.version>1.18.20</lombok.version>
-        <netty.version>4.1.70.Final</netty.version>
+        <lombok.version>1.18.22</lombok.version>
+        <netty.version>4.1.72.Final</netty.version>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
@@ -83,7 +83,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.13.1</version>
+            <version>4.13.2</version>
             <scope>test</scope>
         </dependency>
         <dependency>
diff --git a/proxy/pom.xml b/proxy/pom.xml
index 84ace403..b49b4c5c 100644
--- a/proxy/pom.xml
+++ b/proxy/pom.xml
@@ -101,19 +101,19 @@
         <dependency>
             <groupId>org.apache.maven</groupId>
             <artifactId>maven-resolver-provider</artifactId>
-            <version>3.8.1</version>
+            <version>3.8.4</version>
             <scope>runtime</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.maven.resolver</groupId>
             <artifactId>maven-resolver-connector-basic</artifactId>
-            <version>1.7.0</version>
+            <version>1.7.2</version>
             <scope>runtime</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.maven.resolver</groupId>
             <artifactId>maven-resolver-transport-http</artifactId>
-            <version>1.7.0</version>
+            <version>1.7.2</version>
             <scope>runtime</scope>
         </dependency>
     </dependencies>
diff --git a/slf4j/pom.xml b/slf4j/pom.xml
index d9495ea7..293597b6 100644
--- a/slf4j/pom.xml
+++ b/slf4j/pom.xml
@@ -28,7 +28,7 @@
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>
-            <version>1.7.30</version>
+            <version>1.7.32</version>
             <scope>compile</scope>
         </dependency>
     </dependencies>