diff --git a/install.sh b/install.sh
index a0cf107..b779bc0 100755
--- a/install.sh
+++ b/install.sh
@@ -2,6 +2,7 @@
 
 : "${INSTALL_PATH:=$HOME/.local}"
 BASE_URL='https://pancake.gay/lsfg-vk'
+NIX_FLAKE_REPO='https://github.com/pabloaul/lsfg-vk-flake'
 
 # prompt for distro
 echo "Which version would you like to install?"
@@ -9,7 +10,8 @@ echo "1) Arch Linux (Artix Linux, CachyOS, Steam Deck, etc.)"
 echo "2) Debian"
 echo "3) Ubuntu"
 echo "4) Fedora"
-printf "Enter the number (1-4): "
+echo "5) NixOS (external flake project)"
+printf "Enter the number (1-5): "
 read -r version_choice < /dev/tty
 
 case "$version_choice" in
@@ -17,6 +19,7 @@ case "$version_choice" in
     2) DISTRO="debian"; DISTRO_PRETTY="Debian" ;;
     3) DISTRO="ubuntu"; DISTRO_PRETTY="Ubuntu" ;;
     4) DISTRO="fedora"; DISTRO_PRETTY="Fedora" ;;
+    5) DISTRO="nixos"; DISTRO_PRETTY="NixOS"; USE_NIX=true ;;
     *) echo "Invalid choice."; exit 1 ;;
 esac
 
@@ -25,12 +28,18 @@ SHA_NAME="lsfg-vk_${DISTRO}.zip.sha"
 SHA_FILE="$INSTALL_PATH/share/lsfg-vk.sha"
 
 # get local and remote versions
-REMOTE_HASH=$(curl -fsSL "$BASE_URL/$SHA_NAME")
 LOCAL_HASH=$(test -f "$SHA_FILE" && cat "$SHA_FILE")
+if [ "$USE_NIX" ]; then
+    command -v nix >/dev/null 2>&1 || { echo "Error: nix command not found."; exit 1; }
+    REMOTE_HASH=$(curl -fsSL "${NIX_FLAKE_REPO/github.com/api.github.com/repos}/releases/latest" | grep '"tag_name"' | cut -d '"' -f 4)
+else
+    REMOTE_HASH=$(curl -fsSL "$BASE_URL/$SHA_NAME")
+fi
+[ -z "$REMOTE_HASH" ] && { echo "Failed to fetch latest release."; exit 1; }
 
 if [ "$REMOTE_HASH" != "$LOCAL_HASH" ]; then
     # prompt user for confirmation
-    echo -n "Are you sure you want to install lsfg-vk for ${DISTRO_PRETTY}? (y/n) "
+    echo -n "Are you sure you want to install lsfg-vk ($REMOTE_HASH) for ${DISTRO_PRETTY}? (y/n) "
     read -r answer < /dev/tty
 
     if [ "$answer" != "y" ]; then
@@ -38,18 +47,24 @@ if [ "$REMOTE_HASH" != "$LOCAL_HASH" ]; then
         exit 0
     fi
 
-    # download lsfg-vk
-    curl -fsSL -o "/tmp/$ZIP_NAME" "$BASE_URL/$ZIP_NAME"
-    if [ $? -ne 0 ]; then
-        echo "Failed to download lsfg-vk. Please check your internet connection."
-        exit 1
-    fi
+    TEMP_DIR=$(mktemp -d) && cd "$TEMP_DIR" || { echo "Failed to create temporary directory."; exit 1; }
+    if [ "$USE_NIX" ]; then
+        # download, build and install lsfg-vk-flake from GitHub
+        curl -fsSL "$NIX_FLAKE_REPO/archive/refs/tags/$REMOTE_HASH.tar.gz" | tar -xz
+
+        cd lsfg-vk-flake-* && nix build || { echo "Build failed."; rm -vrf "$TEMP_DIR"; exit 1; }
+
+        install -Dvm644 result/lib/liblsfg-vk.so "$INSTALL_PATH/lib/liblsfg-vk.so"
+        install -Dvm644 result/share/vulkan/implicit_layer.d/VkLayer_LS_frame_generation.json "$INSTALL_PATH/share/vulkan/implicit_layer.d/VkLayer_LS_frame_generation.json"
+    else
+        # download and install prebuilt lsfg-vk
+        curl -fsSL -o "$TEMP_DIR/$ZIP_NAME" "$BASE_URL/$ZIP_NAME" || { echo "Failed to download lsfg-vk. Please check your internet connection."; rm -vrf "$TEMP_DIR"; exit 1; }
+
+        cd "$INSTALL_PATH" && unzip -o "$TEMP_DIR/$ZIP_NAME" || { echo "Extraction failed. Is install path writable or unzip installed?"; rm -vrf "$TEMP_DIR"; exit 1; }
+    fi
+    rm -vrf "$TEMP_DIR"
 
-    # install lsfg-vk
-    cd "$INSTALL_PATH" || exit 1
-    unzip -o "/tmp/$ZIP_NAME"
     echo "$REMOTE_HASH" > "$SHA_FILE"
-    rm -v "/tmp/$ZIP_NAME"
 
     echo "lsfg-vk for ${DISTRO_PRETTY} has been installed."
 else