diff --git a/requirements-dev.txt b/requirements-dev.txt
index 9cad61f..9876ec5 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,8 +2,8 @@
 --requirement requirements.txt
 
 # Documentation
-Sphinx==1.7.5
+Sphinx==1.7.8
 
 #testing
-pytest==3.6.0
+pytest==3.7.4
 pytest-cov==2.5.1
diff --git a/requirements.txt b/requirements.txt
index d946dcf..efdc1f6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-requests==2.18.4
+requests==2.19.1
 #skosprovider==0.6.0
 -e git+https://github.com/koenedaele/skosprovider.git#egg=skosprovider
 rdflib==4.2.2