diff --git a/apache/Dockerfile b/apache/Dockerfile
index 363ea8b..9824612 100644
--- a/apache/Dockerfile
+++ b/apache/Dockerfile
@@ -34,6 +34,7 @@ RUN set -ex; \
     # END: Install php-zmq
     \
     pecl install ev; \
+    pecl install redis; \
     \
     docker-php-ext-configure ldap \
         --with-libdir="lib/$(dpkg-architecture --query DEB_BUILD_MULTIARCH)" \
@@ -58,6 +59,7 @@ RUN set -ex; \
     docker-php-ext-enable \
         zmq \
         ev \
+        redis \
     ; \
     \
 # reset a list of apt-mark
diff --git a/fpm-alpine/Dockerfile b/fpm-alpine/Dockerfile
index b39b448..e5b29c1 100644
--- a/fpm-alpine/Dockerfile
+++ b/fpm-alpine/Dockerfile
@@ -32,6 +32,7 @@ RUN set -ex; \
     # END: Install php-zmq
     \
     pecl install ev; \
+    pecl install redis; \
     \
     docker-php-ext-configure gd \
         --with-freetype \
@@ -52,7 +53,8 @@ RUN set -ex; \
     ; \
     docker-php-ext-enable \
         zmq \
-        ev
+        ev \
+        redis
 
 # php.ini
 RUN { \
diff --git a/fpm/Dockerfile b/fpm/Dockerfile
index d688935..700adcb 100644
--- a/fpm/Dockerfile
+++ b/fpm/Dockerfile
@@ -34,6 +34,7 @@ RUN set -ex; \
     # END: Install php-zmq
     \
     pecl install ev; \
+    pecl install redis; \
     \
     docker-php-ext-configure ldap \
         --with-libdir="lib/$(dpkg-architecture --query DEB_BUILD_MULTIARCH)" \
@@ -58,6 +59,7 @@ RUN set -ex; \
     docker-php-ext-enable \
         zmq \
         ev \
+        redis \
     ; \
     \
 # reset a list of apt-mark