diff --git a/requirements_dev.txt b/requirements_dev.txt
index 283f5d5..7c75591 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,12 +1,12 @@
-pip==19.2.3
+pip==19.3.1
 bump2version==0.5.11
 wheel==0.33.6
 watchdog==0.9.0
 flake8==3.7.8
 tox==3.14.0
 coverage==4.5.4
-Sphinx==1.8.5
-twine==1.14.0
+Sphinx==2.2.1
+twine==2.0.0
 Click==7.0
-pytest==4.6.5
-pytest-runner==5.1
\ No newline at end of file
+pytest==5.2.2
+pytest-runner==5.2
\ No newline at end of file