diff --git a/CHANGELOG.md b/CHANGELOG.md
index 54e7c08e..068847ba 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,9 @@ and this project adheres to
 
 ### Changed
 
+- Bumped Cassandra Prometheus Exporter to 2.3.4.
+  ([#56](https://github.com/mesosphere/kudo-cassandra-operator/pull/56))
+
 ### Added
 
 - TLS encryption for node-to-node and client-to-node connections.
diff --git a/images/Dockerfile.prometheus-exporter b/images/Dockerfile.prometheus-exporter
index 3459dcbf..3692b782 100644
--- a/images/Dockerfile.prometheus-exporter
+++ b/images/Dockerfile.prometheus-exporter
@@ -1,3 +1 @@
-FROM criteord/cassandra_exporter:2.2.1
-
-RUN chown 999:999 /opt/cassandra_exporter/cassandra_exporter.jar
+FROM criteord/cassandra_exporter:2.3.4
diff --git a/metadata.sh b/metadata.sh
index bdf1db0e..419f2526 100644
--- a/metadata.sh
+++ b/metadata.sh
@@ -43,7 +43,7 @@ export KUDO_VERSION="0.10.1"
 export KUBERNETES_VERSION="1.15.0"
 
 export CASSANDRA_EXPORTER_DOCKER_IMAGE="criteord/cassandra_exporter"
-export CASSANDRA_EXPORTER_VERSION="2.2.1"
+export CASSANDRA_EXPORTER_VERSION="2.3.4"
 
 ################################################################################
 ############################## Docker images ###################################
diff --git a/operator/params.yaml b/operator/params.yaml
index 24ac5654..47a3c218 100644
--- a/operator/params.yaml
+++ b/operator/params.yaml
@@ -113,7 +113,7 @@ parameters:
 
   - name: PROMETHEUS_EXPORTER_DOCKER_IMAGE
     description: "Prometheus exporter Docker image."
-    default: "mesosphere/cassandra-prometheus-exporter:2.2.1-0.1.2-SNAPSHOT"
+    default: "mesosphere/cassandra-prometheus-exporter:2.3.4-0.1.2-SNAPSHOT"
 
   - name: PROMETHEUS_EXPORTER_DOCKER_IMAGE_PULL_POLICY
     description: "Prometheus exporter Docker image pull policy."
diff --git a/templates/images/Dockerfile.prometheus-exporter.template b/templates/images/Dockerfile.prometheus-exporter.template
index caa59dd5..4d939731 100644
--- a/templates/images/Dockerfile.prometheus-exporter.template
+++ b/templates/images/Dockerfile.prometheus-exporter.template
@@ -1,3 +1 @@
 FROM ${PROMETHEUS_EXPORTER_DOCKER_IMAGE_FROM}
-
-RUN chown 999:999 /opt/cassandra_exporter/cassandra_exporter.jar