diff --git a/1-software.sh b/1-software.sh
index acdf135..20c1851 100755
--- a/1-software.sh
+++ b/1-software.sh
@@ -83,7 +83,7 @@ sudo nala install -y mpv
 sudo nala install -y galculator
 
 # Document Viewer
-sudo nala install -y mupdf
+sudo nala install -y zathura
 
 # Disk Utilities and Cleaning Tools
 sudo nala install -y gnome-disk-utility bleachbit
diff --git a/config/sxhkd/sxhkdrc b/config/sxhkd/sxhkdrc
index c099320..8eec630 100755
--- a/config/sxhkd/sxhkdrc
+++ b/config/sxhkd/sxhkdrc
@@ -1,5 +1,5 @@
 super + shift + h
-    	mupdf "$HOME/.config/guide.pdf"
+  zathura "$HOME/.config/guide.pdf"
 
 alt + x
 	alacritty -e "ranger" ~/Downloads/Watch
diff --git a/optional/default_apps.sh b/optional/default_apps.sh
index 2694375..f828286 100755
--- a/optional/default_apps.sh
+++ b/optional/default_apps.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 # Set default applications for file types
-xdg-mime default mupdf.desktop application/pdf
+xdg-mime default zathura.desktop application/pdf
 xdg-mime default mousepad.desktop text/plain
 xdg-mime default codium.desktop text/html
 xdg-mime default codium.desktop text/css