diff --git a/requirements-shared.txt b/requirements-shared.txt
index 934cfb4..2edce59 100644
--- a/requirements-shared.txt
+++ b/requirements-shared.txt
@@ -1,5 +1,5 @@
-requests==2.9.1
-tornado==4.3
+requests==2.21.0
+tornado==5.1.1
 chardet
 html5lib
 #ox>=2.0.666
@@ -8,5 +8,5 @@ python-stdnum==1.2
 PyPDF2==1.25.1
 pysocks
 stem
-sqlitedict==1.4.0
+sqlitedict==1.6.0
 zeroconf