diff --git a/pkgs/by-name/ri/river/build.zig.zon.nix b/pkgs/by-name/ri/river/build.zig.zon.nix
index 82218cc8dbfd..9ba533294dc2 100644
--- a/pkgs/by-name/ri/river/build.zig.zon.nix
+++ b/pkgs/by-name/ri/river/build.zig.zon.nix
@@ -29,10 +29,10 @@ linkFarm "zig-packages" [
     };
   }
   {
-    name = "wlroots-0.19.4-jmOlcqQMBABhKYH6NMSnoK1sohTbhc97_JP-hGg2UZaK";
+    name = "wlroots-0.20.0-jmOlcmtCBADS6eoJ6mkeiSNZkibrhD-c5Qwn-LiM86r1";
     path = fetchzip {
-      url = "https://codeberg.org/ifreund/zig-wlroots/archive/v0.19.4.tar.gz";
-      hash = "sha256-g1LOSMMnjGJIS+U7zrx6FAoUyavqwaQ2UrDv6GxCQsY=";
+      url = "https://codeberg.org/ifreund/zig-wlroots/archive/v0.20.0.tar.gz";
+      hash = "sha256-QblQBVsDV2kSj31jqmVVi4hQUXuv8bsRgRMaCqlNxNM=";
     };
   }
   {
diff --git a/pkgs/by-name/ri/river/package.nix b/pkgs/by-name/ri/river/package.nix
index cae1a65d716d..66439a4bff31 100644
--- a/pkgs/by-name/ri/river/package.nix
+++ b/pkgs/by-name/ri/river/package.nix
@@ -16,7 +16,7 @@
   wayland,
   wayland-protocols,
   wayland-scanner,
-  wlroots_0_19,
+  wlroots_0_20,
   xwayland,
   zig_0_15,
   withManpages ? true,
@@ -25,7 +25,7 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "river";
-  version = "0.4.1";
+  version = "0.4.2";
 
   outputs = [ "out" ] ++ lib.optionals withManpages [ "man" ];
 
@@ -33,7 +33,7 @@ stdenv.mkDerivation (finalAttrs: {
     owner = "river";
     repo = "river";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-EGWLJY9VPdoc4LrXkWi8cNLkahorvDeAIfSOc5yDfbU=";
+    hash = "sha256-Nufonz39XphxPW1lERq2acVgE5mGmW+x1yimyS6O4tc=";
   };
 
   strictDeps = true;
@@ -58,7 +58,7 @@ stdenv.mkDerivation (finalAttrs: {
     wayland
     wayland-protocols
     wayland-scanner
-    wlroots_0_19
+    wlroots_0_20
   ]
   ++ lib.optionals xwaylandSupport [
     libx11