diff --git a/More-Installation-Guides.md b/More-Installation-Guides.md
index affc4d2..0214b10 100644
--- a/More-Installation-Guides.md
+++ b/More-Installation-Guides.md
@@ -17,6 +17,7 @@ tar xvzf haskell-platform-7.10.2-a-unknown-linux-deb7.tar.gz
 popd
 
 # do the normal cabal thing
+cabal upate
 cabal install shellcheck
 cp ~/.cabal/bin/shellcheck /usr/local/bin
 ```
\ No newline at end of file