diff --git a/requirements.txt b/requirements.txt
index abb2e60..bc2381c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,3 +3,4 @@ scipy
 scikit-learn
 matplotlib
 munkres
+tabulate
diff --git a/requirements_dev.txt b/requirements_dev.txt
index bb215b3..488589b 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -11,3 +11,4 @@ nose
 coverage
 flake8
 munkres
+tabulate