diff --git a/env-example b/env-example
index ee6eee4b..6356aa41 100644
--- a/env-example
+++ b/env-example
@@ -44,7 +44,7 @@ PHP_VERSION=7.3
 ### Phalcon Version ###########################################
 
 # Select a Phalcon version of the Workspace and PHP-FPM containers (Does not apply to HHVM). Accepted values: 3.4.0+
-PHALCON_VERSION=3.4.5
+PHALCON_VERSION=4.0.5
 
 ### PHP Interpreter #######################################
 
diff --git a/php-fpm/Dockerfile b/php-fpm/Dockerfile
index 9d5f895d..b7cd3208 100644
--- a/php-fpm/Dockerfile
+++ b/php-fpm/Dockerfile
@@ -721,7 +721,14 @@ ENV LARADOCK_PHALCON_VERSION ${LARADOCK_PHALCON_VERSION}
 COPY ./phalcon.ini /usr/local/etc/php/conf.d/phalcon.ini.disable
 
 RUN if [ $INSTALL_PHALCON = true ]; then \
-    apt-get update && apt-get install -y unzip libpcre3-dev gcc make re2c \
+    apt-get update && apt-get install -y unzip libpcre3-dev gcc make re2c git automake autoconf\
+    && git clone https://github.com/jbboehr/php-psr.git \
+    && cd php-psr \
+    && phpize \
+    && ./configure \
+    && make \
+    && make test \
+    && make install \
     && curl -L -o /tmp/cphalcon.zip https://github.com/phalcon/cphalcon/archive/v${LARADOCK_PHALCON_VERSION}.zip \
     && unzip -d /tmp/ /tmp/cphalcon.zip \
     && cd /tmp/cphalcon-${LARADOCK_PHALCON_VERSION}/build \
diff --git a/php-fpm/phalcon.ini b/php-fpm/phalcon.ini
index 24b58bad..a5013838 100644
--- a/php-fpm/phalcon.ini
+++ b/php-fpm/phalcon.ini
@@ -1 +1,2 @@
+extension=psr.so
 extension=phalcon.so
\ No newline at end of file
diff --git a/php-worker/Dockerfile b/php-worker/Dockerfile
index 2524dea1..ed3331ed 100644
--- a/php-worker/Dockerfile
+++ b/php-worker/Dockerfile
@@ -160,6 +160,13 @@ ENV PHALCON_VERSION ${PHALCON_VERSION}
 
 RUN if [ $INSTALL_PHALCON = true ]; then \
     apk --update add unzip gcc make re2c bash\
+    && git clone https://github.com/jbboehr/php-psr.git \
+    && cd php-psr \
+    && phpize \
+    && ./configure \
+    && make \
+    && make test \
+    && make install \
     && curl -L -o /tmp/cphalcon.zip https://github.com/phalcon/cphalcon/archive/v${PHALCON_VERSION}.zip \
     && unzip -d /tmp/ /tmp/cphalcon.zip \
     && cd /tmp/cphalcon-${PHALCON_VERSION}/build \
diff --git a/workspace/Dockerfile b/workspace/Dockerfile
index 4a105bb4..c6724abf 100644
--- a/workspace/Dockerfile
+++ b/workspace/Dockerfile
@@ -1164,7 +1164,14 @@ ARG LARADOCK_PHALCON_VERSION
 ENV LARADOCK_PHALCON_VERSION ${LARADOCK_PHALCON_VERSION}
 
 RUN if [ $INSTALL_PHALCON = true ]; then \
-    apt-get update && apt-get install -y unzip libpcre3-dev gcc make re2c \
+    apt-get update && apt-get install -y unzip libpcre3-dev gcc make re2c git automake autoconf\
+    && git clone https://github.com/jbboehr/php-psr.git \
+    && cd php-psr \
+    && phpize \
+    && ./configure \
+    && make \
+    && make test \
+    && make install \
     && curl -L -o /tmp/cphalcon.zip https://github.com/phalcon/cphalcon/archive/v${LARADOCK_PHALCON_VERSION}.zip \
     && unzip -d /tmp/ /tmp/cphalcon.zip \
     && cd /tmp/cphalcon-${LARADOCK_PHALCON_VERSION}/build \