diff --git a/jakarta-test/pom.xml b/jakarta-test/pom.xml
index 1829be3..de3228f 100644
--- a/jakarta-test/pom.xml
+++ b/jakarta-test/pom.xml
@@ -28,7 +28,7 @@
         <selenium.version>4.49.0</selenium.version>
         <!-- GHSA-q4xh-88c3-wmh7 / GHSA-wjgm-6hv5-3cvf / GHSA-wv8q-qhhj-9h54 /
              GHSA-cxp5-3px4-pw24: Boot's separate plugin realm. -->
-        <jackson.build.version>3.1.7</jackson.build.version>
+        <jackson.build.version>3.1.8</jackson.build.version>
         <!-- Must equal the version in the root pom.xml so this app tests the
              encoder-jakarta-jsp built in the same reactor. CI checks this. -->
         <encoder.version>1.6.1-SNAPSHOT</encoder.version>