diff --git a/apache/Dockerfile b/apache/Dockerfile
index a533867..97c53a8 100755
--- a/apache/Dockerfile
+++ b/apache/Dockerfile
@@ -13,8 +13,8 @@ RUN docker-php-ext-install mysqli
 VOLUME /var/www/html
 
 # Define Joomla version and expected SHA1 signature
-ENV JOOMLA_VERSION 3.4.5
-ENV JOOMLA_SHA1 098ce53f3bc44531be95c20a0faf7f80efe5fc88
+ENV JOOMLA_VERSION 3.4.8
+ENV JOOMLA_SHA1 0f1237c3a0a50143ef7b6688cda3d4fd0b6196be
 
 # Download package and extract to web volume
 RUN curl -o joomla.zip -SL https://github.com/joomla/joomla-cms/releases/download/${JOOMLA_VERSION}/Joomla_${JOOMLA_VERSION}-Stable-Full_Package.zip \
diff --git a/fpm/Dockerfile b/fpm/Dockerfile
index f8d2e5c..8a6bd9b 100755
--- a/fpm/Dockerfile
+++ b/fpm/Dockerfile
@@ -10,8 +10,8 @@ RUN docker-php-ext-install mysqli
 VOLUME /var/www/html
 
 # Define Joomla version and expected SHA1 signature
-ENV JOOMLA_VERSION 3.4.5
-ENV JOOMLA_SHA1 098ce53f3bc44531be95c20a0faf7f80efe5fc88
+ENV JOOMLA_VERSION 3.4.8
+ENV JOOMLA_SHA1 0f1237c3a0a50143ef7b6688cda3d4fd0b6196be
 
 # Download package and extract to web volume
 RUN curl -o joomla.zip -SL https://github.com/joomla/joomla-cms/releases/download/${JOOMLA_VERSION}/Joomla_${JOOMLA_VERSION}-Stable-Full_Package.zip \