diff --git a/TODO.md b/TODO.md
index 085d05f..91e9618 100644
--- a/TODO.md
+++ b/TODO.md
@@ -1,4 +1,5 @@
 ## TODO
+- silent mode by default when doing PDF
 - add nice spacing and typography for easy reading
 - pdf options
   - problem numbers [true]
diff --git a/app/main.py b/app/main.py
index fe8aae0..3de7b03 100755
--- a/app/main.py
+++ b/app/main.py
@@ -32,6 +32,7 @@ def main(
         num_columns = 3
 
     if pdf:
+        silent = True
         make_pdf(
             problems=problems,
             answers=answers,
diff --git a/setup.py b/setup.py
index 1b62e96..4f6378d 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@ setup(
     name="binary_quiz",
     author="Zev Averbach",
     author_email="zev@averba.ch",
-    version="0.1.4",
+    version="0.1.5",
     license="MIT",
     long_description_content_type="text/markdown",
     description=(