diff --git a/Envoy.blade.php b/Envoy.blade.php
index b18c67dd..9ac6ba0a 100644
--- a/Envoy.blade.php
+++ b/Envoy.blade.php
@@ -66,7 +66,7 @@
 @task('run_composer_697')
     echo "Starting deployment ({{ $release }})"
     cd {{ $new_release_dir_697 }}
-    composer install --prefer-dist --no-scripts -q -o
+    composer install --prefer-dist --no-scripts -q -o --no-dev
 @endtask
 
 @task('update_symlinks_697')
@@ -101,7 +101,7 @@
 @task('run_composer_736')
     echo "Starting deployment ({{ $release }})"
     cd {{ $new_release_dir_736 }}
-    composer install --prefer-dist --no-scripts -q -o
+    composer install --prefer-dist --no-scripts -q -o --no-dev
 @endtask
 
 @task('update_symlinks_736')
@@ -136,7 +136,7 @@
 @task('run_composer_dev')
     echo "Starting deployment ({{ $release }})"
     cd {{ $new_release_dir_dev }}
-    composer install --prefer-dist --no-scripts -q -o
+    composer install --prefer-dist --no-scripts -q -o --no-dev
 @endtask
 
 @task('update_symlinks_dev')
@@ -171,7 +171,7 @@ git reset --hard {{ $commit }}
 @task('run_composer_227')
 echo "Starting deployment ({{ $release }})"
 cd {{ $new_release_dir_227 }}
-composer install --prefer-dist --no-scripts -q -o
+composer install --prefer-dist --no-scripts -q -o --no-dev
 @endtask
 
 @task('update_symlinks_227')
@@ -206,7 +206,7 @@ git reset --hard {{ $commit }}
 @task('run_composer_117')
 echo "Starting deployment ({{ $release }})"
 cd {{ $new_release_dir_117 }}
-composer install --prefer-dist --no-scripts -q -o
+composer install --prefer-dist --no-scripts -q -o --no-dev
 @endtask
 
 @task('update_symlinks_117')