diff --git a/pom.xml b/pom.xml
index 831a396af..34026cef0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -48,7 +48,7 @@
     <jspecify.version>1.0.1</jspecify.version>
     <error-prone.version>2.50.0</error-prone.version>
     <nullaway.version>0.14.2</nullaway.version>
-    <junit.version>5.14.1</junit.version>
+    <junit.version>6.1.3</junit.version>
     <!-- Tests that run at once, per core; CI lowers it on Windows. -->
     <junit.parallel.factor>0.5</junit.parallel.factor>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>