diff --git a/php7.3/apache/Dockerfile b/php7.3/apache/Dockerfile
index 0a988ef..3c4ca8a 100644
--- a/php7.3/apache/Dockerfile
+++ b/php7.3/apache/Dockerfile
@@ -69,8 +69,8 @@ RUN set -ex; \
 VOLUME /var/www/html
 
 # Define Joomla version and expected SHA512 signature
-ENV JOOMLA_VERSION 3.9.27
-ENV JOOMLA_SHA512 fe3310cdf4a94ebad1ead72eed5fdab481a0f8f80c89ee002a045ffec25d1a4de8afc26199003cee3ffbda7d42086132a70e9650a5415a0cf15444156acda18c
+ENV JOOMLA_VERSION 3.9.28
+ENV JOOMLA_SHA512 0751036475d9b527bd6da5f5a0c67e0c728449bf02ba9d508f206b4b2f35697093c938a4350b6e9412b16f5eabb8700575268b564fd8db451308ae4cfe4d882e
 
 # Download package and extract to web volume
 RUN set -ex; \
diff --git a/php7.3/fpm-alpine/Dockerfile b/php7.3/fpm-alpine/Dockerfile
index c919ea1..ed1456a 100644
--- a/php7.3/fpm-alpine/Dockerfile
+++ b/php7.3/fpm-alpine/Dockerfile
@@ -66,8 +66,8 @@ RUN set -ex; \
 VOLUME /var/www/html
 
 # Define Joomla version and expected SHA1 signature
-ENV JOOMLA_VERSION 3.9.27
-ENV JOOMLA_SHA512 fe3310cdf4a94ebad1ead72eed5fdab481a0f8f80c89ee002a045ffec25d1a4de8afc26199003cee3ffbda7d42086132a70e9650a5415a0cf15444156acda18c
+ENV JOOMLA_VERSION 3.9.28
+ENV JOOMLA_SHA512 0751036475d9b527bd6da5f5a0c67e0c728449bf02ba9d508f206b4b2f35697093c938a4350b6e9412b16f5eabb8700575268b564fd8db451308ae4cfe4d882e
 
 # Download package and extract to web volume
 RUN set -ex; \
diff --git a/php7.3/fpm/Dockerfile b/php7.3/fpm/Dockerfile
index fb261ae..a63ca3e 100644
--- a/php7.3/fpm/Dockerfile
+++ b/php7.3/fpm/Dockerfile
@@ -66,8 +66,8 @@ RUN set -ex; \
 VOLUME /var/www/html
 
 # Define Joomla version and expected SHA512 signature
-ENV JOOMLA_VERSION 3.9.27
-ENV JOOMLA_SHA512 fe3310cdf4a94ebad1ead72eed5fdab481a0f8f80c89ee002a045ffec25d1a4de8afc26199003cee3ffbda7d42086132a70e9650a5415a0cf15444156acda18c
+ENV JOOMLA_VERSION 3.9.28
+ENV JOOMLA_SHA512 0751036475d9b527bd6da5f5a0c67e0c728449bf02ba9d508f206b4b2f35697093c938a4350b6e9412b16f5eabb8700575268b564fd8db451308ae4cfe4d882e
 
 # Download package and extract to web volume
 RUN set -ex; \
diff --git a/php7.4/apache/Dockerfile b/php7.4/apache/Dockerfile
index b1a57d2..652fcee 100644
--- a/php7.4/apache/Dockerfile
+++ b/php7.4/apache/Dockerfile
@@ -69,8 +69,8 @@ RUN set -ex; \
 VOLUME /var/www/html
 
 # Define Joomla version and expected SHA512 signature
-ENV JOOMLA_VERSION 3.9.27
-ENV JOOMLA_SHA512 fe3310cdf4a94ebad1ead72eed5fdab481a0f8f80c89ee002a045ffec25d1a4de8afc26199003cee3ffbda7d42086132a70e9650a5415a0cf15444156acda18c
+ENV JOOMLA_VERSION 3.9.28
+ENV JOOMLA_SHA512 0751036475d9b527bd6da5f5a0c67e0c728449bf02ba9d508f206b4b2f35697093c938a4350b6e9412b16f5eabb8700575268b564fd8db451308ae4cfe4d882e
 
 # Download package and extract to web volume
 RUN set -ex; \
diff --git a/php7.4/fpm-alpine/Dockerfile b/php7.4/fpm-alpine/Dockerfile
index dbbd85e..935d9ad 100644
--- a/php7.4/fpm-alpine/Dockerfile
+++ b/php7.4/fpm-alpine/Dockerfile
@@ -66,8 +66,8 @@ RUN set -ex; \
 VOLUME /var/www/html
 
 # Define Joomla version and expected SHA1 signature
-ENV JOOMLA_VERSION 3.9.27
-ENV JOOMLA_SHA512 fe3310cdf4a94ebad1ead72eed5fdab481a0f8f80c89ee002a045ffec25d1a4de8afc26199003cee3ffbda7d42086132a70e9650a5415a0cf15444156acda18c
+ENV JOOMLA_VERSION 3.9.28
+ENV JOOMLA_SHA512 0751036475d9b527bd6da5f5a0c67e0c728449bf02ba9d508f206b4b2f35697093c938a4350b6e9412b16f5eabb8700575268b564fd8db451308ae4cfe4d882e
 
 # Download package and extract to web volume
 RUN set -ex; \
diff --git a/php7.4/fpm/Dockerfile b/php7.4/fpm/Dockerfile
index 2d7a80a..a7ce555 100644
--- a/php7.4/fpm/Dockerfile
+++ b/php7.4/fpm/Dockerfile
@@ -66,8 +66,8 @@ RUN set -ex; \
 VOLUME /var/www/html
 
 # Define Joomla version and expected SHA512 signature
-ENV JOOMLA_VERSION 3.9.27
-ENV JOOMLA_SHA512 fe3310cdf4a94ebad1ead72eed5fdab481a0f8f80c89ee002a045ffec25d1a4de8afc26199003cee3ffbda7d42086132a70e9650a5415a0cf15444156acda18c
+ENV JOOMLA_VERSION 3.9.28
+ENV JOOMLA_SHA512 0751036475d9b527bd6da5f5a0c67e0c728449bf02ba9d508f206b4b2f35697093c938a4350b6e9412b16f5eabb8700575268b564fd8db451308ae4cfe4d882e
 
 # Download package and extract to web volume
 RUN set -ex; \