diff --git a/11.0/apache/Dockerfile b/11.0/apache/Dockerfile
index 64a76fe..71978ad 100644
--- a/11.0/apache/Dockerfile
+++ b/11.0/apache/Dockerfile
@@ -36,7 +36,7 @@ RUN a2enmod rewrite
 # PECL extensions
 RUN set -ex \
  && pecl install APCu-5.1.8 \
- && pecl install memcached-3.0.2 \
+ && pecl install memcached-3.0.3 \
  && pecl install redis-3.1.2 \
  && docker-php-ext-enable apcu redis memcached
 RUN a2enmod rewrite
diff --git a/11.0/fpm/Dockerfile b/11.0/fpm/Dockerfile
index 06a1a57..78890a3 100644
--- a/11.0/fpm/Dockerfile
+++ b/11.0/fpm/Dockerfile
@@ -35,7 +35,7 @@ RUN { \
 # PECL extensions
 RUN set -ex \
  && pecl install APCu-5.1.8 \
- && pecl install memcached-3.0.2 \
+ && pecl install memcached-3.0.3 \
  && pecl install redis-3.1.2 \
  && docker-php-ext-enable apcu redis memcached
 
diff --git a/12.0/apache/Dockerfile b/12.0/apache/Dockerfile
index 992e0fc..4bcc5f0 100644
--- a/12.0/apache/Dockerfile
+++ b/12.0/apache/Dockerfile
@@ -36,7 +36,7 @@ RUN a2enmod rewrite
 # PECL extensions
 RUN set -ex \
  && pecl install APCu-5.1.8 \
- && pecl install memcached-3.0.2 \
+ && pecl install memcached-3.0.3 \
  && pecl install redis-3.1.2 \
  && docker-php-ext-enable apcu redis memcached
 RUN a2enmod rewrite
diff --git a/12.0/fpm/Dockerfile b/12.0/fpm/Dockerfile
index 88c4456..d69e770 100644
--- a/12.0/fpm/Dockerfile
+++ b/12.0/fpm/Dockerfile
@@ -35,7 +35,7 @@ RUN { \
 # PECL extensions
 RUN set -ex \
  && pecl install APCu-5.1.8 \
- && pecl install memcached-3.0.2 \
+ && pecl install memcached-3.0.3 \
  && pecl install redis-3.1.2 \
  && docker-php-ext-enable apcu redis memcached
 
diff --git a/Dockerfile-php7.template b/Dockerfile-php7.template
index 2042350..203ba66 100644
--- a/Dockerfile-php7.template
+++ b/Dockerfile-php7.template
@@ -36,7 +36,7 @@ RUN a2enmod rewrite
 # PECL extensions
 RUN set -ex \
  && pecl install APCu-5.1.8 \
- && pecl install memcached-3.0.2 \
+ && pecl install memcached-3.0.3 \
  && pecl install redis-3.1.2 \
  && docker-php-ext-enable apcu redis memcached
 RUN a2enmod rewrite