diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index eb427a4..8da9e25 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -7,7 +7,7 @@ on: [push, pull_request]
 
 jobs:
   build:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
         # test against latest update of each major Java version:
diff --git a/cdkdepict-lib/pom.xml b/cdkdepict-lib/pom.xml
index 69ba2a7..5c54a23 100644
--- a/cdkdepict-lib/pom.xml
+++ b/cdkdepict-lib/pom.xml
@@ -43,12 +43,17 @@
     <dependency>
       <groupId>com.simolecule.centres</groupId>
       <artifactId>centres-cdk</artifactId>
-      <version>1.1</version>
+      <version>1.2.1</version>
     </dependency>
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-api</artifactId>
       <version>1.7.36</version>
     </dependency>
+    <dependency>
+     <groupId>com.google.guava</groupId>
+     <artifactId>guava</artifactId>
+     <version>33.1.0-jre</version>
+    </dependency>
   </dependencies>
-</project>
\ No newline at end of file
+</project>
diff --git a/cdkdepict-webapp/pom.xml b/cdkdepict-webapp/pom.xml
index cf5b79f..571aeb7 100644
--- a/cdkdepict-webapp/pom.xml
+++ b/cdkdepict-webapp/pom.xml
@@ -23,7 +23,7 @@
     <dependency>
       <groupId>org.webjars</groupId>
       <artifactId>webjars-locator-core</artifactId>
-      <version>0.55</version>
+      <version>0.58</version>
     </dependency>
     <dependency>
       <groupId>org.webjars</groupId>
@@ -33,7 +33,7 @@
     <dependency>
       <groupId>org.webjars</groupId>
       <artifactId>font-awesome</artifactId>
-      <version>6.5.1</version>
+      <version>6.5.2</version>
     </dependency>
   </dependencies>
   <build>
diff --git a/pom.xml b/pom.xml
index 47ad85e..e08a9ec 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,10 +18,10 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <cdk.version>2.10-SNAPSHOT</cdk.version>
     <depict.version>${project.parent.version}</depict.version>
-    <junit.version>5.10.1</junit.version>
+    <junit.version>5.10.2</junit.version>
     <hamcrest.version>2.2</hamcrest.version>
     <!-- Note -Pjakarta for Spring 6 (Requires Java 17 and JakartaEE) -->
-    <spring-webmvc.version>5.3.31</spring-webmvc.version>
+    <spring-webmvc.version>5.3.34</spring-webmvc.version>
     <spring-boot.version>2.7.18</spring-boot.version>
   </properties>
   <developers>