diff --git a/docker/Dockerfile b/docker/Dockerfile
index fbaccd6..24f8ee6 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -13,7 +13,7 @@
 #
 
 # zipkin version should match zipkin.version in /pom.xml
-ARG zipkin_version=3.2.0
+ARG zipkin_version=3.2.1
 
 # java_version is used during the installation process to build or download the module jar.
 #
diff --git a/pom.xml b/pom.xml
index 3dcc5dc..0411bdb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -74,7 +74,7 @@
     <!-- matching armeria/grpc/zipkin -->
     <zipkin.groupId>io.zipkin.zipkin2</zipkin.groupId>
     <!-- when updating, update docker/Dockerfile and storage/src/test/java/zipkin2/storage/kafka/IT* -->
-    <zipkin.version>3.2.0</zipkin.version>
+    <zipkin.version>3.2.1</zipkin.version>
     <zipkin-reporter.version>3.4.0</zipkin-reporter.version>
     <spring-boot.version>3.2.4</spring-boot.version>
     <!-- armeria.groupId allows you to test feature branches with jitpack -->