diff --git a/requirements_dev.txt b/requirements_dev.txt
index 3e622af..19e6c73 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -7,6 +7,6 @@ pytest-cov==2.5.1
 pytest-mock==1.10.0
 tox==3.0.0
 Sphinx==1.7.5
-capturer==2.4
+capturer==3.0
 requests-mock==1.5.0
 -r requirements.txt