diff --git a/setup.py b/setup.py
index 55df85f81..355124359 100644
--- a/setup.py
+++ b/setup.py
@@ -42,6 +42,7 @@ def rtd_dependent_deps():
     name="manticore",
     description="Manticore is a symbolic execution tool for analysis of binaries and smart contracts.",
     long_description=long_description,
+    long_description_content_type="text/markdown",
     url="https://github.com/trailofbits/manticore",
     author="Trail of Bits",
     version="0.3.3",