diff --git a/requirements.txt b/requirements.txt
index ad2243e..c87cd91 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,10 +4,10 @@ attrs==19.1.0
 codecov==2.0.15
 funcy==1.11
 lenses==0.5.0
-hypothesis==4.5.8
+hypothesis==4.14.0
 parsimonious==0.8.1
-pytest==4.2.0
+pytest==4.3.1
 pytest-cov==2.6.1
 pytest-flake8==1.0.4
-pytest-xdist==1.22.5
+pytest-xdist==1.27.0
 pytest-sugar==0.9.2