diff --git a/pkgs/data/documentation/scheme-manpages/default.nix b/pkgs/data/documentation/scheme-manpages/default.nix
index 8ff9344b3f52..cd4a8b2462aa 100644
--- a/pkgs/data/documentation/scheme-manpages/default.nix
+++ b/pkgs/data/documentation/scheme-manpages/default.nix
@@ -1,14 +1,14 @@
-{ lib, stdenvNoCC, fetchFromGitHub }:
+{ lib, stdenvNoCC, fetchFromGitHub, unstableGitUpdater }:
 
 stdenvNoCC.mkDerivation rec {
   pname = "scheme-manpages";
-  version = "unstable-2023-03-26";
+  version = "unstable-2023-06-04";
 
   src = fetchFromGitHub {
     owner = "schemedoc";
     repo = "manpages";
-    rev = "eac67db33b2111f19ac267585032df8b4838e6f4";
-    hash = "sha256-FBoagGHWsxZo40gOqeBUw0L+LtNAVF/q6IZ3N9QBFQs=";
+    rev = "d5fce963985df270cb99d020169b4f28122e6415";
+    hash = "sha256-snODSEtH1K/X0MakJWcPM40cqLUA+0cbBkhAHuisCyI=";
   };
 
   dontBuild = true;
@@ -18,6 +18,8 @@ stdenvNoCC.mkDerivation rec {
     cp -r man3/ man7/ $out/share/man/
   '';
 
+  passthru.updateScript = unstableGitUpdater { };
+
   meta = with lib; {
     description = "Unix manual pages for R6RS and R7RS";
     homepage = "https://github.com/schemedoc/manpages";