diff --git a/install.sh b/install.sh
index 98a0fa5..c612f5d 100755
--- a/install.sh
+++ b/install.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
 
 git submodule update --init --recursive
-pip2 install --user pyflakes --upgrade
-pip3 install --user pynvim --upgrade
+pip2 install --user pyflakes
+pip3 install --user pynvim
diff --git a/link.sh b/link.sh
index c9a1992..3c6f7ed 100755
--- a/link.sh
+++ b/link.sh
@@ -1,4 +1,4 @@
 #!/bin/bash
 
-ln -s $PWD/.vimrc ~/.vimrc
-ln -s $PWD/.vim ~/.vim
+ln -sf $PWD/.vimrc ~/.vimrc
+ln -sf $PWD/.vim ~/.vim