diff --git a/.travis.yml b/.travis.yml
index 95318de..c388929 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,6 +10,7 @@ addons:
   apt:
     packages:
       - expect-dev  # provides unbuffer utility
+      - libcups2-dev  # Required to install pycups
 
 env:
   global:
diff --git a/requirements.txt b/requirements.txt
index 4ad2447..4bcd339 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,2 @@
 zpl2>=1.1
 pycups==1.9.73
-PyPDF2==1.18