diff --git a/transactionoutbox-guice/pom.xml b/transactionoutbox-guice/pom.xml
index 3b868665..3f76bb56 100644
--- a/transactionoutbox-guice/pom.xml
+++ b/transactionoutbox-guice/pom.xml
@@ -38,7 +38,7 @@
     <dependency>
       <groupId>com.google.guava</groupId>
       <artifactId>guava</artifactId>
-      <version>33.0.0-jre</version>
+      <version>33.1.0-jre</version>
       <scope>test</scope>
     </dependency>
     <!-- Compile time -->
diff --git a/transactionoutbox-jackson/pom.xml b/transactionoutbox-jackson/pom.xml
index 33ad23b7..188d8a2d 100644
--- a/transactionoutbox-jackson/pom.xml
+++ b/transactionoutbox-jackson/pom.xml
@@ -62,7 +62,7 @@
     <dependency>
       <groupId>com.google.guava</groupId>
       <artifactId>guava</artifactId>
-      <version>33.0.0-jre</version>
+      <version>33.1.0-jre</version>
       <scope>test</scope>
     </dependency>
     <dependency>