diff --git a/bitnami/zookeeper/3/ol-7/Dockerfile b/bitnami/zookeeper/3/ol-7/Dockerfile
index c5d298fbd1de..86abde8b0e21 100644
--- a/bitnami/zookeeper/3/ol-7/Dockerfile
+++ b/bitnami/zookeeper/3/ol-7/Dockerfile
@@ -1,4 +1,4 @@
-FROM bitnami/oraclelinux-extras:7-r39
+FROM bitnami/oraclelinux-extras:7-r40
 LABEL maintainer "Bitnami <containers@bitnami.com>"
 
 ENV BITNAMI_PKG_CHMOD="-R g+rwX" \
@@ -12,7 +12,7 @@ RUN bitnami-pkg unpack zookeeper-3.4.12-4 --checksum 330b2fe61fe68d7948318c8fc28
 COPY rootfs /
 ENV ALLOW_ANONYMOUS_LOGIN="no" \
     BITNAMI_APP_NAME="zookeeper" \
-    BITNAMI_IMAGE_VERSION="3.4.12-ol-7-r25" \
+    BITNAMI_IMAGE_VERSION="3.4.12-ol-7-r26" \
     JVMFLAGS="" \
     PATH="/opt/bitnami/java/bin:/opt/bitnami/zookeeper/bin:$PATH" \
     ZOO_CLIENT_PASSWORD="" \
diff --git a/bitnami/zookeeper/README.md b/bitnami/zookeeper/README.md
index 260d26d09c3a..06ac79eb4fc3 100644
--- a/bitnami/zookeeper/README.md
+++ b/bitnami/zookeeper/README.md
@@ -34,7 +34,7 @@ services:
 
 # Supported tags and respective `Dockerfile` links
 
-* [`3-ol-7`, `3.4.12-ol-7-r25` (3/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-zookeeper/blob/3.4.12-ol-7-r25/3/ol-7/Dockerfile)
+* [`3-ol-7`, `3.4.12-ol-7-r26` (3/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-zookeeper/blob/3.4.12-ol-7-r26/3/ol-7/Dockerfile)
 * [`3-debian-9`, `3.4.12-debian-9-r13`, `3`, `3.4.12`, `3.4.12-r13`, `latest` (3/Dockerfile)](https://github.com/bitnami/bitnami-docker-zookeeper/blob/3.4.12-debian-9-r13/3/Dockerfile)
 * [`3-debian-8`, `3.4.12-debian-8-r55` (3/debian-8/Dockerfile)](https://github.com/bitnami/bitnami-docker-zookeeper/blob/3.4.12-debian-8-r55/3/debian-8/Dockerfile)