diff --git a/requirements.txt b/requirements.txt
index e0e9a16..73cf9de 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
-paho-mqtt==1.3.1
-pyOpenSSL
+paho-mqtt==1.4.0
+pyopenssl==18.0.0
\ No newline at end of file
diff --git a/requirements_dev.txt b/requirements_dev.txt
index a253cec..d676ebd 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,11 +1,11 @@
-pip==9.0.1
+pip==18.0
 bumpversion==0.5.3
-wheel==0.30.0
-watchdog==0.8.3
+wheel==0.31.1
+watchdog==0.9.0
 flake8==3.5.0
-tox==2.9.1
+tox==3.2.1
 coverage==4.5.1
-Sphinx==1.7.1
-twine==1.10.0
+Sphinx==1.7.9
+twine==1.11.0