diff --git a/requirements.txt b/requirements.txt
index 020fcf8..d1ad6ca 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,3 +5,4 @@ python-magic; python_version > '3.5'
 packaging; python_version > '3.5'
 requests; python_version > '3.5'
 toml; python_version > '3.5'
+distro; python_verison > '3.5'
diff --git a/tests-requirements.txt b/tests-requirements.txt
index 2551ef6..59c1129 100644
--- a/tests-requirements.txt
+++ b/tests-requirements.txt
@@ -5,3 +5,4 @@ coveralls; python_version > '3.5'
 pyflakes; python_version > '3.5'
 pylint; python_version > '3.5'
 halo; python_version > '3.5'
+distro; python_verison > '3.5'