diff --git a/pkgs/development/compilers/chez/default.nix b/pkgs/development/compilers/chez/default.nix
index fc7dfa78cefe..9327b69998f7 100644
--- a/pkgs/development/compilers/chez/default.nix
+++ b/pkgs/development/compilers/chez/default.nix
@@ -5,11 +5,11 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "chez-scheme";
-  version = "9.6.4";
+  version = "10.0.0";
 
   src = fetchurl {
     url = "https://github.com/cisco/ChezScheme/releases/download/v${finalAttrs.version}/csv${finalAttrs.version}.tar.gz";
-    hash = "sha256-9YJ2gvolnEeXX/4Hh4X7Vh5KXFT3ZDMe9mwyEyhDaF0=";
+    hash = "sha256-03GZASte0ZhcQGnWqH/xjl4fWi3yfkApkfr0XcTyIyw=";
   };
 
   nativeBuildInputs = lib.optional stdenv.isDarwin cctools;
@@ -28,18 +28,11 @@ stdenv.mkDerivation (finalAttrs: {
   ** NixOS or in any chroot build.
   */
   patchPhase = ''
-    substituteInPlace ./configure \
-      --replace "git submodule init && git submodule update || exit 1" "true"
-
-    substituteInPlace ./workarea \
-      --replace "/bin/ln" ln \
-      --replace "/bin/cp" cp
-
     substituteInPlace ./makefiles/installsh \
-      --replace "/usr/bin/true" "${coreutils}/bin/true"
+      --replace-warn "/usr/bin/true" "${coreutils}/bin/true"
 
     substituteInPlace zlib/configure \
-      --replace "/usr/bin/libtool" libtool
+      --replace-warn "/usr/bin/libtool" libtool
   '';
 
   /*
@@ -52,7 +45,7 @@ stdenv.mkDerivation (finalAttrs: {
   ** for.
   */
   configurePhase = ''
-    ./configure --threads --installprefix=$out --installman=$out/share/man
+    ./configure --as-is --threads --installprefix=$out --installman=$out/share/man
   '';
 
   /*