diff --git a/docs/README.md b/docs/README.md
index f5afc72..43143b5 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -8,10 +8,11 @@
 
   The following dependencies are required:
 
-  | DistrOS             |                                                                                |            |              |                    |
-  |:-------------------:|--------------------------------------------------------------------------------|------------|--------------|--------------------|
-  | Debian              | `lzip patchelf e2fsprogs python3 python3-pip aria2 p7zip-full attr unzip sudo` | `whiptail` | `qemu-utils` | `python3-venv`     |
-  | openSUSE Tumbleweed | Same as above                                                                  | `dialog`   | `qemu-tools` | `python3-venvctrl` |
+  | DistrOS             |                                                         |            |              |                    |               |              |
+  |:-------------------:|---------------------------------------------------------|------------|--------------|--------------------|---------------|--------------|
+  | Debian              | `lzip patchelf e2fsprogs python3 aria2 attr unzip sudo` | `whiptail` | `qemu-utils` | `python3-venv`     | `python3-pip` | `p7zip-full` |
+  | openSUSE Tumbleweed | Same as above                                           | `dialog`   | `qemu-tools` | `python3-venvctrl` | Same as above                |
+  | Arch                | Same as Debian                                          | `libnewt`  | `qemu-img`   |  Same as Debian    | `python-pip`  | `p7zip`      |
 
   The python3 library `requests` is used.
 
diff --git a/scripts/install_deps.sh b/scripts/install_deps.sh
index a8ad62a..0261d19 100755
--- a/scripts/install_deps.sh
+++ b/scripts/install_deps.sh
@@ -56,7 +56,7 @@ check_dependencies
 osrel=$(sed -n '/^ID_LIKE=/s/^.*=//p' /etc/os-release)
 declare -A os_pm_install
 # os_pm_install["/etc/redhat-release"]=yum
-# os_pm_install["/etc/arch-release"]=pacman
+os_pm_install["/etc/arch-release"]=pacman
 # os_pm_install["/etc/gentoo-release"]=emerge
 os_pm_install["/etc/SuSE-release"]=zypper
 os_pm_install["/etc/debian_version"]=apt-get
@@ -107,6 +107,22 @@ require_su
 if [ -z "$PM" ]; then
     echo "Unable to determine package manager: Unsupported distros"
     abort
+elif [ "$PM" = "pacman" ]; then
+    i=30
+    while ((i-- > 1)) &&
+        ! read -r -sn 1 -t 1 -p $'\r:: Proceed with full system upgrade? Cancel after '$i$'s.. [y/N]\e[0K ' answer; do
+        :
+    done
+    [[ $answer == [yY] ]] && answer=Yes || answer=No
+    echo "$answer"
+    case "$answer" in
+    Yes)
+        if ! ($SUDO "$PM" "${UPDATE_OPTION[@]}" ca-certificates); then abort; fi
+        ;;
+    *)
+        abort "Operation cancelled by user"
+        ;;
+    esac
 else
     if ! ($SUDO "$PM" "${UPDATE_OPTION[@]}" && $SUDO "$PM" "${UPGRADE_OPTION[@]}" ca-certificates); then abort; fi
 fi
@@ -127,6 +143,17 @@ if [ -n "${NEED_INSTALL[*]}" ]; then
         NEED_INSTALL_FIX=${NEED_INSTALL[*]}
         readarray -td ' ' NEED_INSTALL <<<"${NEED_INSTALL_FIX//p7zip-full/p7zip} "
         unset 'NEED_INSTALL[-1]'
+    elif [ "$PM" = "pacman" ]; then
+        NEED_INSTALL_FIX=${NEED_INSTALL[*]}
+        {
+            NEED_INSTALL_FIX=${NEED_INSTALL_FIX//whiptail/libnewt} 2>&1
+            NEED_INSTALL_FIX=${NEED_INSTALL_FIX//qemu-utils/qemu-img} 2>&1
+            NEED_INSTALL_FIX=${NEED_INSTALL_FIX//python3-pip/python-pip} 2>&1
+            NEED_INSTALL_FIX=${NEED_INSTALL_FIX//p7zip-full/p7zip} 2>&1
+        } >>/dev/null
+
+        readarray -td ' ' NEED_INSTALL <<<"$NEED_INSTALL_FIX "
+        unset 'NEED_INSTALL[-1]'
     fi
     if ! ($SUDO "$PM" "${INSTALL_OPTION[@]}" "${NEED_INSTALL[@]}"); then abort; fi