diff --git a/install/requirements-windows.txt b/install/requirements-windows.txt
index 9c08e128..ca68e156 100644
--- a/install/requirements-windows.txt
+++ b/install/requirements-windows.txt
@@ -1,14 +1,14 @@
 click==6.7
-Flask==0.12
+Flask==0.12.2
 future==0.16.0
 itsdangerous==0.24
-Jinja2==2.9.5
-MarkupSafe==0.23
-pefile==2016.3.28
-PyInstaller==3.2.1
+Jinja2==2.10
+MarkupSafe==1.0
+pefile==2017.11.5
+PyInstaller==3.3.1
 pypiwin32==219
-PyQt5==5.8
+PyQt5==5.9.2
 PySocks==1.6.7
-sip==4.19.1
+sip==4.19.6
 stem==1.5.4
-Werkzeug==0.11.15
+Werkzeug==0.14.1