diff --git a/requirements.txt b/requirements.txt
index 7eaca79..4e16419 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1 @@
-pdfminer>=0
+pdfminer>=20131113
diff --git a/setup.py b/setup.py
index 1125ab2..fee847a 100644
--- a/setup.py
+++ b/setup.py
@@ -11,7 +11,7 @@ long_description = open(os.path.join(os.path.dirname(__file__), "README.md")).re
 if platform.python_version() >= "3.0.0":
     dependencies = ["pdfminer3k>=1.3.0"]
 else:
-    dependencies = ["pdfminer>=0"]
+    dependencies = ["pdfminer>=20131113"]
 
 packages = [
     "pdfparanoia",