diff --git a/tools/win_installer/_base.sh b/tools/win_installer/_base.sh
index 76af6aea..40b13fa4 100644
--- a/tools/win_installer/_base.sh
+++ b/tools/win_installer/_base.sh
@@ -87,12 +87,12 @@ PIP_REQUIREMENTS="\
 podcastparser==0.6.5
 mygpoclient==1.8
 git+https://github.com/enthought/pywin32-ctypes.git@f27d6a0
-html5lib==1.0.1
+html5lib==1.1
 webencodings==0.5.1
 six==1.12.0
-certifi==2020.4.5.2
-mutagen==1.44.0
-youtube_dl==2020.6.16.1
+certifi==2020.11.8
+mutagen==1.45.1
+youtube_dl==2020.11.1.1
 "
 
 function install_deps {