diff --git a/requirements.txt b/requirements.txt
index 5bc9180..e60ee72 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,4 +5,4 @@ numpy
 progressbar2 >= 3.39
 pympler
 setuptools
-wc_utils[git]
+wc_utils[git] >= 0.0.16
diff --git a/tests/requirements.txt b/tests/requirements.txt
index e69de29..19f64b7 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -0,0 +1 @@
+capturer