diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f6962bf..8cdad87 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -45,6 +45,7 @@ jobs:
           push: true
           build-args: |
             FROM_IMAGE=php:7.1-cli-alpine
+            DEPLOYER_VERSION="v6.6.0"
             PECL_EXT=""
             ENABLE_EXT=""
             PHP_EXT=mysqli pspell zip mcrypt
diff --git a/Dockerfile b/Dockerfile
index 32c05e5..417687c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,6 +3,8 @@ FROM $FROM_IMAGE
 
 LABEL maintainer="Carlos A. Gomes <carlos.algms@gmail.com>"
 
+ARG DEPLOYER_VERSION="v6.8.0"
+
 RUN apk add --no-cache \
     zsh \
     vim \
@@ -18,7 +20,7 @@ RUN apk add --no-cache \
     yarn \
     composer \
     make \
-&& curl -L https://deployer.org/releases/v6.8.0/deployer.phar --output /usr/local/bin/dep \
+&& curl -L https://deployer.org/releases/${DEPLOYER_VERSION}/deployer.phar --output /usr/local/bin/dep \
 && chmod +x /usr/local/bin/dep
 
 ARG PECL_EXT="mcrypt-1.0.4"