diff --git a/requirements_dev.txt b/requirements_dev.txt
index 8688c6a7..29601f7e 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,17 +1,17 @@
 -e .
 bump2version==0.5.10
-wheel==0.32.2
+wheel==0.32.3
 watchdog==0.9.0
 flake8==3.6.0
-tox==3.5.3
-coverage==4.5.1
-Sphinx==1.8.1
+tox==3.6.1
+coverage==4.5.2
+Sphinx==1.8.3
 # only used for setup script
 # cryptography==1.0.1
 py==1.7.0
-pytest==3.9.3
+pytest==4.0.2
 PyYAML==3.13
-prospector[with_everything]==1.1.4
+prospector[with_everything]==1.1.6.2
 python-dateutil>=2.6.0
 requests>=2.18
 black>=18.9b0; python_version >= '3.6'