diff --git a/homebrew/brew_utils b/homebrew/brew_utils.fish
similarity index 100%
rename from homebrew/brew_utils
rename to homebrew/brew_utils.fish
diff --git a/script/dot b/script/dot.fish
similarity index 99%
rename from script/dot
rename to script/dot.fish
index f5c9ed2..30069bb 100755
--- a/script/dot
+++ b/script/dot.fish
@@ -3,7 +3,7 @@
 
 set -q DOT || set -gx DOT "$HOME/dotfiles"
 
-source "$DOT/script/utils"
+source "$DOT/script/utils.fish"
 
 ################################################################################
 #                                OS Preferences                                #
diff --git a/script/utils b/script/utils.fish
similarity index 100%
rename from script/utils
rename to script/utils.fish