diff --git a/hosts/darwin/home-default.nix b/hosts/darwin/home-default.nix
index 5f30ad4..2836c12 100644
--- a/hosts/darwin/home-default.nix
+++ b/hosts/darwin/home-default.nix
@@ -273,8 +273,8 @@
     run ${pkgs.duti}/bin/duti -s com.todesktop.230313mzl4w4u92 .tex all
     run ${pkgs.duti}/bin/duti -s com.todesktop.230313mzl4w4u92 .bib all
 
-    # Documents - PDF with Preview
-    run ${pkgs.duti}/bin/duti -s com.apple.Preview .pdf all
+    # Documents - PDF with PDF Expert
+    run ${pkgs.duti}/bin/duti -s com.readdle.PDFExpert-Mac .pdf all
 
     # Images - Preview
     run ${pkgs.duti}/bin/duti -s com.apple.Preview .png all
diff --git a/modules/homebrew.nix b/modules/homebrew.nix
index 364735a..cdcfa9b 100644
--- a/modules/homebrew.nix
+++ b/modules/homebrew.nix
@@ -43,6 +43,7 @@
       "zotero"
       "raspberry-pi-imager"
       "transmission"
+      "pdf-expert"
     ];
     taps = [
       # Additional repositories if needed