diff --git a/pom.xml b/pom.xml
index c8f5897..a56e903 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,7 +21,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.11</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
 
@@ -38,7 +38,7 @@
     <dependency>
       <groupId>com.google.guava</groupId>
       <artifactId>guava</artifactId>
-      <version>30.0-jre</version>
+      <version>32.0.1-jre</version>
     </dependency>
     <dependency>
       <groupId>dk.brics.automaton</groupId>