diff --git a/base/arch-desktop/_init b/base/arch-desktop/_init
index 8e3f7b65..72024522 100755
--- a/base/arch-desktop/_init
+++ b/base/arch-desktop/_init
@@ -8,12 +8,12 @@ install() {
   elif ! sudo pacman -Syu --noconfirm; then
     >&2 echo "Could not update pacman"
     return 2
-  elif ! _is_callable pacaur; then
+  elif ! _is_callable yay; then
     >&2 echo "Could not find pacaur"
     return 3
   fi
 
-  pacaur --needed --noconfirm --noedit -S \
+  yay --needed --noconfirm -S \
     xorg-server xorg-xrandr xorg-xinit xorg-xlsfonts xorg-xfd xdotool \
     lightdm lightdm-mini-greeter \
     bspwm sxhkd compton dunst xcb-proto polybar libnotify \
diff --git a/base/arch-desktop/config/polybar/modules/updates b/base/arch-desktop/config/polybar/modules/updates
index 0af0a3f9..f3420fec 100755
--- a/base/arch-desktop/config/polybar/modules/updates
+++ b/base/arch-desktop/config/polybar/modules/updates
@@ -5,8 +5,8 @@ if [[ $1 == "1" ]]; then
     exit
 fi
 
-pac=$(checkupdates | wc -l)
-aur=$(cower -u | wc -l)
+pac=$(checkupdates 2>/dev/null | wc -l)
+aur=$(yay -Pn 2>/dev/null)
 
 [[ -f /tmp/polybar-updates ]] && last=$(</tmp/polybar-updates)
 check=$((pac + aur))
diff --git a/base/arch-desktop/scripts/install-aseprite.sh b/base/arch-desktop/scripts/install-aseprite.sh
index c5a1c3bf..3ea42ad8 100755
--- a/base/arch-desktop/scripts/install-aseprite.sh
+++ b/base/arch-desktop/scripts/install-aseprite.sh
@@ -6,11 +6,11 @@ if command -v aseprite >/dev/null; then
 fi
 
 set -e
-pacaur --needed --noconfirm --noedit -S ninja cmake libxcursor
+yay --needed --noconfirm -S ninja cmake libxcursor
 rm -rf /tmp/aseprite
 if git clone --recursive https://github.com/aseprite/aseprite /tmp/aseprite; then
   mkdir /tmp/aseprite/build && cd /tmp/aseprite/build
   cmake -DCMAKE_INSTALL_PREFIX=/usr -G Ninja ..
   ninja aseprite
   ninja install
-fi
\ No newline at end of file
+fi
diff --git a/base/arch/_init b/base/arch/_init
index 6c07886a..d0ff4df6 100755
--- a/base/arch/_init
+++ b/base/arch/_init
@@ -13,31 +13,26 @@ install() {
   # Core essentials
   sudo pacman --needed --noconfirm -S wget git curl tree rsync dnsutils
 
-  # Set up pacaur (AUR helper)
-  if ! _is_callable pacaur; then
-    TEMP="$(mktemp -d)"
-    pushd $TEMP
-    for pkg in cower pacaur; do
-      if [[ ! "$(pacman -Qs $pkg)" ]]; then
-        curl -o PKGBUILD https://aur.archlinux.org/cgit/aur.git/plain/PKGBUILD?h=$pkg && \
-          makepkg PKGBUILD --needed --noconfirm --skippgpcheck -sri
-      fi
-    done
+  # Set up yay (AUR helper)
+  if ! _is_callable yay; then
+    git clone https://aur.archlinux.org/yay.git /tmp/yay
+    pushd /tmp/yay
+    makepkg -si
     popd
-    rm -rf $TEMP
+    rm -rf /tmp/yay
 
-    if ! _is_callable pacaur; then
-      >&2 echo "Pacaur was not successfully installed"
+    if ! _is_callable yay; then
+      >&2 echo "Yay was not successfully installed"
       return 3
     fi
   fi
 
-  pacaur --needed --noconfirm --noedit -S ripgrep the_silver_searcher bc cronie
+  yay --needed --noconfirm -S ripgrep the_silver_searcher bc cronie
   sudo systemctl enable cronie
 }
 
 update() {
-  _is_callable pacaur && local pac=pacaur
+  _is_callable yay && local pac=yay
   ${pac:-sudo pacman} -Syu --noconfirm
 }
 
diff --git a/base/arch/aliases.zsh b/base/arch/aliases.zsh
index 0a8a12de..698c19bd 100644
--- a/base/arch/aliases.zsh
+++ b/base/arch/aliases.zsh
@@ -6,10 +6,8 @@ alias jc=journalctl
 alias ssc='sudo systemctl'
 alias ufw='sudo ufw'
 
-alias pac=pacaur
-alias pacu='pacaur -Syu'   # upgrade
-alias pacc='pacaur -Sc'    # clean pacman
-alias paco='pacaur -Qtdq'  # orphaned packages
+alias yayc='yay -Sc'    # clean pacman
+alias yayo='yay -Qtdq'  # orphaned packages
 
 alias reboot='sudo systemctl reboot'
 alias shutdown='sudo systemctl poweroff'
diff --git a/dev/cc/_init b/dev/cc/_init
index 75176e76..af457637 100755
--- a/dev/cc/_init
+++ b/dev/cc/_init
@@ -8,7 +8,7 @@ install() {
         brew install cmake bear gdb
         echo "Note: gdb requires additional setup on MacOS, see https://sourceware.org/gdb/wiki/BuildingOnDarwin"
         ;;
-    arch) pacaur --needed --noconfirm -S cmake bear gdb ;;
+    arch) yay --needed --noconfirm -S cmake bear gdb ;;
   esac
 }
 
diff --git a/dev/go/_init b/dev/go/_init
index 382f9809..71af9322 100755
--- a/dev/go/_init
+++ b/dev/go/_init
@@ -5,7 +5,7 @@ source env.zsh
 install() {
   case $(_os) in
     macos) brew install go ;;
-    arch)  pacaur --needed --noconfirm -S go ;;
+    arch)  yay --needed --noconfirm -S go ;;
   esac
 
   update
diff --git a/dev/haskell/_init b/dev/haskell/_init
index 850621ab..f8e930e2 100755
--- a/dev/haskell/_init
+++ b/dev/haskell/_init
@@ -8,7 +8,7 @@ install() {
     # The arch linux + haskell situation is a mess. To ensure haskell packages
     # installed via pacman and ones installed via stack/cabal leave each other
     # alone, we need ghc-static + stack-bin.
-    arch) pacaur --needed --noedit --noconfirm -S ghc-static stack-bin ;;
+    arch) yay --needed --noconfirm -S ghc-static stack-bin ;;
   esac
   stack config set system-ghc --global true
   stack setup && stack install ShellCheck
diff --git a/dev/java/_init b/dev/java/_init
index 640c3203..0ee865eb 100755
--- a/dev/java/_init
+++ b/dev/java/_init
@@ -6,7 +6,7 @@ install() {
   # TODO Install android SDK
   case $(_os) in
     macos) brew cask install java gradle ;;
-    arch)  pacaur --needed --noedit --noconfirm -S jdk8-openjdk gradle ;;
+    arch)  yay --needed --noconfirm -S jdk8-openjdk gradle ;;
   esac
 }
 
diff --git a/dev/php/_init b/dev/php/_init
index a1bba52f..4eea65da 100755
--- a/dev/php/_init
+++ b/dev/php/_init
@@ -6,7 +6,7 @@ install() {
   _ensure_repo madumlao/phpenv $PHPENV_ROOT
   _ensure_repo php-build/php-build $PHPENV_ROOT/plugins/php-build
   case $(_os) in
-    arch) pacaur --needed --noconfirm --noedit -S libmcrypt tidy ;;
+    arch) yay --needed --noconfirm -S libmcrypt tidy ;;
     macos) brew install libmcrypt tidy-html5 ;;
   esac
 }
diff --git a/dev/rust/_init b/dev/rust/_init
index 59c66431..b105276b 100755
--- a/dev/rust/_init
+++ b/dev/rust/_init
@@ -5,7 +5,7 @@ source env.zsh
 install() {
   case $(_os) in
     macos) brew install rustup ;;
-    arch)  pacaur --needed --noconfirm -S rustup ;;
+    arch)  yay --needed --noconfirm -S rustup ;;
   esac
   rustup install stable
   rustup component add rust-src
diff --git a/editor/editorconfig/_init b/editor/editorconfig/_init
index 03d21a21..c358ef64 100755
--- a/editor/editorconfig/_init
+++ b/editor/editorconfig/_init
@@ -4,7 +4,7 @@ source ${0:A:h}/../../deploy
 install() {
   case $(_os) in
     macos) brew install editorconfig ;;
-    arch)  pacaur --noedit --needed --noconfirm -S editorconfig-core-c ;;
+    arch)  yay --needed --noconfirm -S editorconfig-core-c ;;
     debian) sudo apt-get install -y editorconfig ;;
   esac
 }
diff --git a/editor/emacs/_init b/editor/emacs/_init
index c46e008a..cf6bc2c7 100755
--- a/editor/emacs/_init
+++ b/editor/emacs/_init
@@ -6,7 +6,7 @@ install() {
     macos)  brew tap d12frosted/emacs-plus
             brew install emacs-plus --without-spacemacs-icon
             ;;
-    arch)   pacaur --needed --noconfirm --noedit -S make emacs ;;
+    arch)   yay --needed --noconfirm -S make emacs ;;
     debian) sudo apt-get install -y make emacs ;;
   esac
 
diff --git a/editor/neovim/_init b/editor/neovim/_init
index 20153290..0980090e 100755
--- a/editor/neovim/_init
+++ b/editor/neovim/_init
@@ -6,7 +6,7 @@ NVIM_INSTALL_DIR="$XDG_CONFIG_HOME/nvim"
 install() {
   case $(_os) in
     macos)  _is_callable nvim || brew install neovim ;;
-    arch)   pacaur --needed --noconfirm --noedit -S make neovim python-neovim ;;
+    arch)   yay --needed --noconfirm -S make neovim python-neovim ;;
     debian)
       sudo add-apt-repository ppa:neovim-ppa/unstable
       sudo apt-get install -y neovim
diff --git a/editor/vim/_init b/editor/vim/_init
index 36f018c9..db7be868 100755
--- a/editor/vim/_init
+++ b/editor/vim/_init
@@ -6,7 +6,7 @@ VIM_INSTALL_DIR="$XDG_CONFIG_HOME/vim"
 install() {
   case $(_os) in
     macos)  _is_callable vim || brew install vim ;;
-    arch)   pacaur --needed --noconfirm --noedit -S vim ;;
+    arch)   yay --needed --noconfirm -S vim ;;
     debian) sudo apt-get install -y vim ;;
   esac
 
diff --git a/misc/qutebrowser/_init b/misc/qutebrowser/_init
index e9dd79f3..a188ee0a 100755
--- a/misc/qutebrowser/_init
+++ b/misc/qutebrowser/_init
@@ -6,7 +6,7 @@ QUTEBROWSER_HOME=$XDG_CONFIG_HOME/qutebrowser
 install() {
   case $(_os) in
     macos) brew cask install qutebrowser ;;
-    arch)  pacaur --needed --noconfirm --noedit -S qutebrowser ;;
+    arch)  yay --needed --noconfirm -S qutebrowser ;;
   esac
 }
 
diff --git a/shell/git/_init b/shell/git/_init
index bb88584f..6500ad34 100755
--- a/shell/git/_init
+++ b/shell/git/_init
@@ -6,7 +6,7 @@ install() {
   case $(_os) in
     macos)  brew install git git-lfs hub diff-so-fancy git-standup git-extras git-flow-avh ;;
     arch)
-        pacaur --needed --noconfirm --noedit -S git hub \
+        yay --needed --noconfirm -S git hub \
             git-lfs diff-so-fancy git-standup-git git-extras \
             gitflow-avh ;;
     debian)
diff --git a/shell/mu/_init b/shell/mu/_init
index 49f38214..9a31049c 100755
--- a/shell/mu/_init
+++ b/shell/mu/_init
@@ -9,7 +9,7 @@ install() {
       ;;
     linux*)
       if [[ -f /etc/arch-release ]]; then
-        pacaur --noedit --needed --noconfirm -S offlineimap mu
+        yay --needed --noconfirm -S offlineimap mu
       fi
       ;;
   esac
diff --git a/shell/sk/_init b/shell/sk/_init
index 4048e84d..5231aaca 100755
--- a/shell/sk/_init
+++ b/shell/sk/_init
@@ -4,7 +4,7 @@ source ${0:A:h}/../../deploy
 install() {
   case $(_os) in
     macos)  brew install sbdchd/skim/skim ;;
-    arch)   pacaur --needed --noconfirm -S skim ;;
+    arch)   yay --needed --noconfirm -S skim ;;
     debian) sudo apt-get install -y skim ;;
   esac
 }