diff --git a/bootstrap/packages_stable.tsv b/bootstrap/packages_stable.tsv
index cda548a..a93823b 100644
--- a/bootstrap/packages_stable.tsv
+++ b/bootstrap/packages_stable.tsv
@@ -274,6 +274,7 @@ screen	Full-screen window manager that multiplexes a physical terminal	R
 sfz	A simple static file server	A	
 shellcheck-bin	Shell script analysis tool (binary release, static)	A	
 shfmt	Format shell programs	R	
+sioyek	PDF viewer for research papers and technical books.	A	
 slurp	Select a region in a Wayland compositor	R	
 smartmontools	Control and monitor S.M.A.R.T. enabled ATA and SCSI Hard Drives	R	
 snap-pac	Pacman hooks that use snapper to create pre/post btrfs snapshots like openSUSE's YaST	R	
diff --git a/sh/.config/sh/env b/sh/.config/sh/env
index 5ba2ef8..c835c24 100644
--- a/sh/.config/sh/env
+++ b/sh/.config/sh/env
@@ -35,7 +35,7 @@ export BROWSER="qutebrowser"
 export TERMINAL="wezterm"
 export PAGER="less"
 
-export FILEREADER="zathura"
+export FILEREADER="sioyek"
 export FILEMANAGER="vifm"
 
 ## gopath
diff --git a/terminal/.config/vifm/vifmrc b/terminal/.config/vifm/vifmrc
index 020f129..688480a 100644
--- a/terminal/.config/vifm/vifmrc
+++ b/terminal/.config/vifm/vifmrc
@@ -358,7 +358,7 @@ set classify+=' ::*.doc,,*.docx::, ::*.xls,,*.xls[mx]::, ::*.pptx,,*.pp
 " Pdf
 filextype *.pdf
         \ { view as rich file }
-        \ zathura %c %i &, apvlv %c, xpdf %c,
+        \ sioyek %c %i, zathura %c %i &, apvlv %c, xpdf %c,
         \ { edit text content }
         \ pdftotext -nopgbrk %c - | nvim
 fileviewer *.pdf pdftotext -nopgbrk %c -
@@ -366,14 +366,14 @@ fileviewer *.pdf pdftotext -nopgbrk %c -
 " PostScript
 filextype *.ps,*.eps,*.ps.gz
         \ {View in zathura}
-        \ zathura %f,
+        \ sioyek %f, zathura %f,
         \ {View in gv}
         \ gv %c %i &,
 
 " Djvu
 filextype *.djvu,*.epub
         \ {View in zathura}
-        \ zathura %f,
+        \ sioyek %f, zathura %f,
         \ {View in apvlv}
         \ apvlv %f,
 
diff --git a/writing/.config/papis/config b/writing/.config/papis/config
index 319d124..1797c7e 100644
--- a/writing/.config/papis/config
+++ b/writing/.config/papis/config
@@ -3,9 +3,9 @@ default-library = main
 formater = bbt
 local-config-file = .papis.config
 
-# opentool = zathura
+opentool = sioyek
 picktool = papis-tui
-mark-opener = zathura -P {mark[value]}
+mark-opener = sioyek --page {mark[value]}
 file-browser = vifm
 
 # edit info.yaml as new papers are added
diff --git a/writing/README.md b/writing/README.md
index 278e97d..cb13056 100644
--- a/writing/README.md
+++ b/writing/README.md
@@ -2,6 +2,7 @@
 
 [bibtex](https://en.wikipedia.org/wiki/BibTeX) - plain-text reference management
 [zathura](git.pwmt.org) - keyboard-driven PDF reading
+[sioyek](http://sioyek.info/) - keyboard-driven PDF reading *and annotating*
 
 This readme is a little out of date, as are the scripts below.
 They are old, I used them during my time as a student and they are probably written terribly.