diff --git a/pom.xml b/pom.xml
index a8a8a49..ee7b568 100644
--- a/pom.xml
+++ b/pom.xml
@@ -32,7 +32,7 @@
     <io7m.api.previousVersion>0.3.1-SNAPSHOT</io7m.api.previousVersion>
     <net.adoptopenjdk.org.immutables.version>2.8.8</net.adoptopenjdk.org.immutables.version>
     <junit.version>5.7.0</junit.version>
-    <jackson.version>2.11.3</jackson.version>
+    <jackson.version>2.12.7.1</jackson.version>
   </properties>
 
   <inceptionYear>2018</inceptionYear>