diff --git a/Makefile b/Makefile
index 9ed0dd9..f209ee7 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,8 @@
-install:
+dev-install:
 	sudo apt-get update
 	sudo apt-get -y p7zip-full p7zip-rar libxml2-dev libxslt1-dev
-	pip install lxml exifread pillow olefile oletools python-magic
+	pip install -r dev-requirements.txt
+	pip install lxml exifread pillow olefile oletools
 	pip install git+https://github.com/grierforensics/officedissector.git
  	wget https://didierstevens.com/files/software/pdfid_v0_2_1.zip
 	unzip pdfid_v0_2_1.zip