diff --git a/requirements/python/tests.txt b/requirements/python/tests.txt
index 486fce9..b21525c 100644
--- a/requirements/python/tests.txt
+++ b/requirements/python/tests.txt
@@ -1,9 +1,9 @@
 # latest version to validate behavior on pure python env
-pytest==3.4.0
-pytest-xdist==1.22.0  # for --boxed
-hypothesis==3.45.1
-numpy==1.14.0
+pytest==4.4.1
+pytest-xdist==1.28.0  # for --boxed
+hypothesis==4.17.2
+numpy==1.16.3
 
 # These dependencies are python pkgs only and only for tests.
-filefinder2==0.4.1
-rosimport==0.2.1
\ No newline at end of file
+filefinder2==0.5.0
+rosimport==0.4.0
\ No newline at end of file