diff --git a/2021.09/apache/Dockerfile b/2021.09/apache/Dockerfile
index 247a6e4..d10b6b3 100644
--- a/2021.09/apache/Dockerfile
+++ b/2021.09/apache/Dockerfile
@@ -95,7 +95,7 @@ RUN set -ex; \
 # pecl will claim success even if one install fails, so we need to perform each install separately
     pecl install apcu-5.1.21; \
     pecl install memcached-3.1.5; \
-    pecl install redis-5.3.5; \
+    pecl install redis-5.3.6; \
     pecl install imagick-3.7.0; \
     \
     docker-php-ext-enable \
diff --git a/2021.09/fpm-alpine/Dockerfile b/2021.09/fpm-alpine/Dockerfile
index 54776ec..df75eaa 100644
--- a/2021.09/fpm-alpine/Dockerfile
+++ b/2021.09/fpm-alpine/Dockerfile
@@ -81,7 +81,7 @@ RUN set -ex; \
 # pecl will claim success even if one install fails, so we need to perform each install separately
     pecl install APCu-5.1.21; \
     pecl install memcached-3.1.5; \
-    pecl install redis-5.3.5; \
+    pecl install redis-5.3.6; \
     pecl install imagick-3.7.0; \
     \
     docker-php-ext-enable \
diff --git a/2021.09/fpm/Dockerfile b/2021.09/fpm/Dockerfile
index d4afe44..0421b17 100644
--- a/2021.09/fpm/Dockerfile
+++ b/2021.09/fpm/Dockerfile
@@ -95,7 +95,7 @@ RUN set -ex; \
 # pecl will claim success even if one install fails, so we need to perform each install separately
     pecl install apcu-5.1.21; \
     pecl install memcached-3.1.5; \
-    pecl install redis-5.3.5; \
+    pecl install redis-5.3.6; \
     pecl install imagick-3.7.0; \
     \
     docker-php-ext-enable \
diff --git a/2021.12-dev/apache/Dockerfile b/2021.12-dev/apache/Dockerfile
index ab8d059..3fb765b 100644
--- a/2021.12-dev/apache/Dockerfile
+++ b/2021.12-dev/apache/Dockerfile
@@ -95,7 +95,7 @@ RUN set -ex; \
 # pecl will claim success even if one install fails, so we need to perform each install separately
     pecl install apcu-5.1.21; \
     pecl install memcached-3.1.5; \
-    pecl install redis-5.3.5; \
+    pecl install redis-5.3.6; \
     pecl install imagick-3.7.0; \
     \
     docker-php-ext-enable \
diff --git a/2021.12-dev/fpm-alpine/Dockerfile b/2021.12-dev/fpm-alpine/Dockerfile
index 5635721..cafb431 100644
--- a/2021.12-dev/fpm-alpine/Dockerfile
+++ b/2021.12-dev/fpm-alpine/Dockerfile
@@ -81,7 +81,7 @@ RUN set -ex; \
 # pecl will claim success even if one install fails, so we need to perform each install separately
     pecl install APCu-5.1.21; \
     pecl install memcached-3.1.5; \
-    pecl install redis-5.3.5; \
+    pecl install redis-5.3.6; \
     pecl install imagick-3.7.0; \
     \
     docker-php-ext-enable \
diff --git a/2021.12-dev/fpm/Dockerfile b/2021.12-dev/fpm/Dockerfile
index debdea1..5c3f8a1 100644
--- a/2021.12-dev/fpm/Dockerfile
+++ b/2021.12-dev/fpm/Dockerfile
@@ -95,7 +95,7 @@ RUN set -ex; \
 # pecl will claim success even if one install fails, so we need to perform each install separately
     pecl install apcu-5.1.21; \
     pecl install memcached-3.1.5; \
-    pecl install redis-5.3.5; \
+    pecl install redis-5.3.6; \
     pecl install imagick-3.7.0; \
     \
     docker-php-ext-enable \
diff --git a/2021.12-rc/apache/Dockerfile b/2021.12-rc/apache/Dockerfile
index 8e11ed8..a94317a 100644
--- a/2021.12-rc/apache/Dockerfile
+++ b/2021.12-rc/apache/Dockerfile
@@ -95,7 +95,7 @@ RUN set -ex; \
 # pecl will claim success even if one install fails, so we need to perform each install separately
     pecl install apcu-5.1.21; \
     pecl install memcached-3.1.5; \
-    pecl install redis-5.3.5; \
+    pecl install redis-5.3.6; \
     pecl install imagick-3.7.0; \
     \
     docker-php-ext-enable \
diff --git a/2021.12-rc/fpm-alpine/Dockerfile b/2021.12-rc/fpm-alpine/Dockerfile
index c1d893b..1d2d24a 100644
--- a/2021.12-rc/fpm-alpine/Dockerfile
+++ b/2021.12-rc/fpm-alpine/Dockerfile
@@ -81,7 +81,7 @@ RUN set -ex; \
 # pecl will claim success even if one install fails, so we need to perform each install separately
     pecl install APCu-5.1.21; \
     pecl install memcached-3.1.5; \
-    pecl install redis-5.3.5; \
+    pecl install redis-5.3.6; \
     pecl install imagick-3.7.0; \
     \
     docker-php-ext-enable \
diff --git a/2021.12-rc/fpm/Dockerfile b/2021.12-rc/fpm/Dockerfile
index 87ebc90..7f73ff2 100644
--- a/2021.12-rc/fpm/Dockerfile
+++ b/2021.12-rc/fpm/Dockerfile
@@ -95,7 +95,7 @@ RUN set -ex; \
 # pecl will claim success even if one install fails, so we need to perform each install separately
     pecl install apcu-5.1.21; \
     pecl install memcached-3.1.5; \
-    pecl install redis-5.3.5; \
+    pecl install redis-5.3.6; \
     pecl install imagick-3.7.0; \
     \
     docker-php-ext-enable \