diff --git a/ShellB3/shallbethree.sh b/ShellB3/shallbethree.sh
index 5ead2499243bb9e1119fc875f7101d35748e13bf..7f0e397ff5db5b618c6859731222c3a2619fdc09 100755
--- a/ShellB3/shallbethree.sh
+++ b/ShellB3/shallbethree.sh
@@ -130,7 +130,7 @@ export PYPARSINGVER=2.0.1
 export TORNADOVER=3.1.1
 export NOSEVER=1.3.0
 export SIXVER=1.5.2
-export VIRTVER=1.11
+export VIRTVER=1.10.1
 export PYOPENGLVER=3.0.2
 export LIBFFIVER=3.0.13
 export PYCPARSERVER=2.10
diff --git a/ShellB3/src/optional/virtualenv-1.10.1.tar.gz b/ShellB3/src/optional/virtualenv-1.10.1.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..7e31555959caa6d0b81fb89b2b07e6df095218f1
Binary files /dev/null and b/ShellB3/src/optional/virtualenv-1.10.1.tar.gz differ
diff --git a/ShellB3/src/optional/virtualenv-1.11.tar.gz b/ShellB3/src/optional/virtualenv-1.11.tar.gz
deleted file mode 100644
index 9a43c69577fa302106b95e5a9d4cdb87043dd8d9..0000000000000000000000000000000000000000
Binary files a/ShellB3/src/optional/virtualenv-1.11.tar.gz and /dev/null differ