diff --git a/pom.xml b/pom.xml
index cfa4efb..8fc1c92 100644
--- a/pom.xml
+++ b/pom.xml
@@ -82,7 +82,7 @@
       <dependency>
         <groupId>org.immutables</groupId>
         <artifactId>value</artifactId>
-        <version>2.8.8</version>
+        <version>2.9.1</version>
       </dependency>
       <dependency>
         <groupId>com.fasterxml.jackson.datatype</groupId>