diff --git a/docker-compose.yml b/docker-compose.yml
index 22708518..79c31cc6 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -65,12 +65,12 @@ services:
           - LARADOCK_PHALCON_VERSION=${PHALCON_VERSION}
           - INSTALL_SUBVERSION=${WORKSPACE_INSTALL_SUBVERSION}
           - INSTALL_BZ2=${WORKSPACE_INSTALL_BZ2}
+          - INSTALL_GMP=${WORKSPACE_INSTALL_GMP}
           - INSTALL_XDEBUG=${WORKSPACE_INSTALL_XDEBUG}
           - INSTALL_PCOV=${WORKSPACE_INSTALL_PCOV}
           - INSTALL_PHPDBG=${WORKSPACE_INSTALL_PHPDBG}
           - INSTALL_BLACKFIRE=${INSTALL_BLACKFIRE}
           - INSTALL_SSH2=${WORKSPACE_INSTALL_SSH2}
-          - INSTALL_GMP=${WORKSPACE_INSTALL_GMP}
           - INSTALL_SOAP=${WORKSPACE_INSTALL_SOAP}
           - INSTALL_XSL=${WORKSPACE_INSTALL_XSL}
           - INSTALL_LDAP=${WORKSPACE_INSTALL_LDAP}
@@ -170,6 +170,7 @@ services:
           - LARADOCK_PHP_VERSION=${PHP_VERSION}
           - LARADOCK_PHALCON_VERSION=${PHALCON_VERSION}
           - INSTALL_BZ2=${PHP_FPM_INSTALL_BZ2}
+          - INSTALL_GMP=${PHP_FPM_INSTALL_GMP}
           - INSTALL_XDEBUG=${PHP_FPM_INSTALL_XDEBUG}
           - INSTALL_PCOV=${PHP_FPM_INSTALL_PCOV}
           - INSTALL_PHPDBG=${PHP_FPM_INSTALL_PHPDBG}
@@ -185,7 +186,6 @@ services:
           - INSTALL_GEARMAN=${PHP_FPM_INSTALL_GEARMAN}
           - INSTALL_MSSQL=${PHP_FPM_INSTALL_MSSQL}
           - INSTALL_BCMATH=${PHP_FPM_INSTALL_BCMATH}
-          - INSTALL_GMP=${PHP_FPM_INSTALL_GMP}
           - INSTALL_PHPREDIS=${PHP_FPM_INSTALL_PHPREDIS}
           - INSTALL_MEMCACHED=${PHP_FPM_INSTALL_MEMCACHED}
           - INSTALL_OPCACHE=${PHP_FPM_INSTALL_OPCACHE}
@@ -254,6 +254,7 @@ services:
           - LARADOCK_PHP_VERSION=${PHP_VERSION}
           - PHALCON_VERSION=${PHALCON_VERSION}
           - INSTALL_BZ2=${PHP_WORKER_INSTALL_BZ2}
+          - INSTALL_GMP=${PHP_WORKER_INSTALL_GMP}
           - INSTALL_PGSQL=${PHP_WORKER_INSTALL_PGSQL}
           - INSTALL_BCMATH=${PHP_WORKER_INSTALL_BCMATH}
           - INSTALL_PHALCON=${PHP_WORKER_INSTALL_PHALCON}
@@ -267,7 +268,6 @@ services:
           - INSTALL_SWOOLE=${PHP_WORKER_INSTALL_SWOOLE}
           - INSTALL_TAINT=${PHP_WORKER_INSTALL_TAINT}
           - INSTALL_FFMPEG=${PHP_WORKER_INSTALL_FFMPEG}
-          - INSTALL_GMP=${PHP_WORKER_INSTALL_GMP}
           - INSTALL_REDIS=${PHP_WORKER_INSTALL_REDIS}
           - PUID=${PHP_WORKER_PUID}
           - PGID=${PHP_WORKER_PGID}
@@ -288,6 +288,7 @@ services:
           - CHANGE_SOURCE=${CHANGE_SOURCE}
           - LARADOCK_PHP_VERSION=${PHP_VERSION}
           - INSTALL_BZ2=${LARAVEL_HORIZON_INSTALL_BZ2}
+          - INSTALL_GMP=${LARAVEL_HORIZON_INSTALL_GMP}
           - INSTALL_PGSQL=${PHP_FPM_INSTALL_PGSQL}
           - INSTALL_BCMATH=${PHP_FPM_INSTALL_BCMATH}
           - INSTALL_MEMCACHED=${PHP_FPM_INSTALL_MEMCACHED}
diff --git a/env-example b/env-example
index 0f7127d4..e6cb581a 100644
--- a/env-example
+++ b/env-example
@@ -101,12 +101,12 @@ WORKSPACE_INSTALL_PHPREDIS=true
 WORKSPACE_INSTALL_WORKSPACE_SSH=false
 WORKSPACE_INSTALL_SUBVERSION=false
 WORKSPACE_INSTALL_BZ2=false
+WORKSPACE_INSTALL_GMP=false
 WORKSPACE_INSTALL_XDEBUG=false
 WORKSPACE_INSTALL_PCOV=false
 WORKSPACE_INSTALL_PHPDBG=false
 WORKSPACE_INSTALL_SSH2=false
 WORKSPACE_INSTALL_LDAP=false
-WORKSPACE_INSTALL_GMP=false
 WORKSPACE_INSTALL_SOAP=false
 WORKSPACE_INSTALL_XSL=false
 WORKSPACE_INSTALL_SMB=false
@@ -172,6 +172,7 @@ PHP_FPM_INSTALL_IMAGE_OPTIMIZERS=true
 PHP_FPM_INSTALL_PHPREDIS=true
 PHP_FPM_INSTALL_MEMCACHED=false
 PHP_FPM_INSTALL_BZ2=false
+PHP_FPM_INSTALL_GMP=false
 PHP_FPM_INSTALL_XDEBUG=false
 PHP_FPM_INSTALL_PCOV=false
 PHP_FPM_INSTALL_XHPROF=false
@@ -186,7 +187,6 @@ PHP_FPM_INSTALL_MSSQL=false
 PHP_FPM_INSTALL_SSH2=false
 PHP_FPM_INSTALL_SOAP=false
 PHP_FPM_INSTALL_XSL=false
-PHP_FPM_INSTALL_GMP=false
 PHP_FPM_INSTALL_EXIF=false
 PHP_FPM_INSTALL_AEROSPIKE=false
 PHP_FPM_INSTALL_OCI8=false
@@ -223,6 +223,7 @@ PHP_FPM_PGID=1000
 ### PHP_WORKER ############################################
 
 PHP_WORKER_INSTALL_BZ2=false
+PHP_WORKER_INSTALL_GMP=false
 PHP_WORKER_INSTALL_PGSQL=false
 PHP_WORKER_INSTALL_BCMATH=false
 PHP_WORKER_INSTALL_PHALCON=false
@@ -234,7 +235,6 @@ PHP_WORKER_INSTALL_GHOSTSCRIPT=false
 PHP_WORKER_INSTALL_SWOOLE=false
 PHP_WORKER_INSTALL_TAINT=false
 PHP_WORKER_INSTALL_FFMPEG=false
-PHP_WORKER_INSTALL_GMP=false
 PHP_WORKER_INSTALL_CASSANDRA=false
 PHP_WORKER_INSTALL_GEARMAN=false
 PHP_WORKER_INSTALL_REDIS=false
@@ -255,6 +255,7 @@ NGINX_SSL_PATH=./nginx/ssl/
 ### LARAVEL_HORIZON ################################################
 
 LARAVEL_HORIZON_INSTALL_BZ2=false
+LARAVEL_HORIZON_INSTALL_GMP=false
 LARAVEL_HORIZON_INSTALL_SOCKETS=false
 LARAVEL_HORIZON_INSTALL_YAML=false
 LARAVEL_HORIZON_INSTALL_PHPREDIS=true
diff --git a/laravel-horizon/Dockerfile b/laravel-horizon/Dockerfile
index 965cf261..e8ca7abd 100644
--- a/laravel-horizon/Dockerfile
+++ b/laravel-horizon/Dockerfile
@@ -53,6 +53,13 @@ RUN if [ ${INSTALL_BZ2} = true ]; then \
   docker-php-ext-install bz2 \
 ;fi
 
+#Install GMP package:
+ARG INSTALL_GMP=false
+RUN if [ ${INSTALL_GMP} = true ]; then \
+   apk add --update --no-cache gmp gmp-dev; \
+   docker-php-ext-install gmp \
+;fi
+
 #Install BCMath package:
 ARG INSTALL_BCMATH=false
 RUN if [ ${INSTALL_BCMATH} = true ]; then \
diff --git a/php-fpm/Dockerfile b/php-fpm/Dockerfile
index 58bbe47d..b3246ed9 100644
--- a/php-fpm/Dockerfile
+++ b/php-fpm/Dockerfile
@@ -80,6 +80,21 @@ RUN if [ ${INSTALL_BZ2} = true ]; then \
   docker-php-ext-install bz2 \
 ;fi
 
+###########################################################################
+# GMP (GNU Multiple Precision):
+###########################################################################
+
+ARG INSTALL_GMP=false
+
+RUN if [ ${INSTALL_GMP} = true ]; then \
+    # Install the GMP extension
+	  apt-get install -y libgmp-dev && \
+    if [ $(php -r "echo PHP_MAJOR_VERSION;") = "5" ]; then \
+      ln -s /usr/include/x86_64-linux-gnu/gmp.h /usr/include/gmp.h \
+    ;fi && \
+    docker-php-ext-install gmp \
+;fi
+
 ###########################################################################
 # SSH2:
 ###########################################################################
@@ -397,21 +412,6 @@ RUN if [ ${INSTALL_BCMATH} = true ]; then \
     docker-php-ext-install bcmath \
 ;fi
 
-###########################################################################
-# GMP (GNU Multiple Precision):
-###########################################################################
-
-ARG INSTALL_GMP=false
-
-RUN if [ ${INSTALL_GMP} = true ]; then \
-    # Install the GMP extension
-	  apt-get install -y libgmp-dev && \
-    if [ $(php -r "echo PHP_MAJOR_VERSION;") = "5" ]; then \
-      ln -s /usr/include/x86_64-linux-gnu/gmp.h /usr/include/gmp.h \
-    ;fi && \
-    docker-php-ext-install gmp \
-;fi
-
 ###########################################################################
 # PHP Memcached:
 ###########################################################################
diff --git a/php-worker/Dockerfile b/php-worker/Dockerfile
index f55ae45b..47170541 100644
--- a/php-worker/Dockerfile
+++ b/php-worker/Dockerfile
@@ -53,6 +53,13 @@ RUN if [ ${INSTALL_BZ2} = true ]; then \
   docker-php-ext-install bz2; \
 fi
 
+#Install GMP package:
+ARG INSTALL_GMP=false
+RUN if [ ${INSTALL_GMP} = true ]; then \
+   apk add --update --no-cache gmp gmp-dev \
+   && docker-php-ext-install gmp \
+;fi
+
 #Install SOAP package:
 ARG INSTALL_SOAP=false
 RUN if [ ${INSTALL_SOAP} = true ]; then \
@@ -162,13 +169,6 @@ RUN if [ $INSTALL_GHOSTSCRIPT = true ]; then \
     apk --update add ghostscript \
 ;fi
 
-#Install GMP package:
-ARG INSTALL_GMP=false
-RUN if [ ${INSTALL_GMP} = true ]; then \
-   apk add --update --no-cache gmp gmp-dev \
-   && docker-php-ext-install gmp \
-;fi
-
 # Install Redis package:
 ARG INSTALL_REDIS=false
 RUN if [ ${INSTALL_REDIS} = true ]; then \
diff --git a/workspace/Dockerfile b/workspace/Dockerfile
index 833eaeaf..267cc16d 100644
--- a/workspace/Dockerfile
+++ b/workspace/Dockerfile
@@ -242,20 +242,7 @@ RUN if [ ${INSTALL_BZ2} = true ]; then \
 ;fi
 
 ###########################################################################
-# SSH2:
-###########################################################################
-
-USER root
-
-ARG INSTALL_SSH2=false
-
-RUN if [ ${INSTALL_SSH2} = true ]; then \
-  # Install the PHP SSH2 extension
-  apt-get -y install libssh2-1-dev php${LARADOCK_PHP_VERSION}-ssh2 \
-;fi
-
-###########################################################################
-# GMP:
+# GMP (GNU Multiple Precision):
 ###########################################################################
 
 USER root
@@ -268,6 +255,19 @@ RUN if [ ${INSTALL_GMP} = true ]; then \
   apt-get -y install php${LARADOCK_PHP_VERSION}-gmp \
 ;fi
 
+###########################################################################
+# SSH2:
+###########################################################################
+
+USER root
+
+ARG INSTALL_SSH2=false
+
+RUN if [ ${INSTALL_SSH2} = true ]; then \
+  # Install the PHP SSH2 extension
+  apt-get -y install libssh2-1-dev php${LARADOCK_PHP_VERSION}-ssh2 \
+;fi
+
 ###########################################################################
 # SOAP:
 ###########################################################################