diff --git a/README.md b/README.md
index 531383ee..d96ab5a7 100644
--- a/README.md
+++ b/README.md
@@ -93,6 +93,12 @@ Thanks to everyone who has sponsored this project:
 <table>
   <tr>
     <!-- add new sponsors here: copy the <td>...</td> block below -->
+    <td align="center">
+      <a href="https://github.com/dl09r">
+        <img src="https://unavatar.io/github/dl09r" width="48" style="border-radius:50%"/><br/>
+        <sub>dl09r</sub>
+      </a>
+    </td>
     <td align="center">
       <a href="https://github.com/tonybanters">
         <img src="https://unavatar.io/github/tonybanters" width="48" style="border-radius:50%"/><br/>
diff --git a/docs/installation.md b/docs/installation.md
index ba51a109..48c667c5 100644
--- a/docs/installation.md
+++ b/docs/installation.md
@@ -273,6 +273,7 @@ If your distribution isn't listed above, or you want the latest unreleased chang
 > - `hwdata`
 > - `seatd`
 > - `pcre2`
+> - `cjson`
 > - `pixman`
 > - `xorg-xwayland`
 > - `libxcb`
diff --git a/mangowm.scm b/mangowm.scm
index 83bcf168..c7cd32e9 100644
--- a/mangowm.scm
+++ b/mangowm.scm
@@ -10,6 +10,7 @@
   #:use-module (gnu packages pciutils)
   #:use-module (gnu packages admin)
   #:use-module (gnu packages pcre)
+  #:use-module (gnu packages cjson)
   #:use-module (gnu packages xorg)
   #:use-module (gnu packages build-tools)
   #:use-module (gnu packages ninja)
@@ -53,6 +54,7 @@
                   hwdata
                   seatd
                   pcre2
+                  cjson
                   libxcb
                   pixman
                   xcb-util-wm
diff --git a/nix/default.nix b/nix/default.nix
index cb6497b9..d7bcab16 100644
--- a/nix/default.nix
+++ b/nix/default.nix
@@ -5,6 +5,7 @@
   libxcb,
   libxkbcommon,
   pcre2,
+  cjson,
   pixman,
   pkg-config,
   stdenv,
@@ -48,6 +49,7 @@ stdenv.mkDerivation {
       libxcb
       libxkbcommon
       pcre2
+      cjson
       pixman
       wayland
       wayland-protocols