diff --git a/pkgs/development/tools/misc/polylith/default.nix b/pkgs/development/tools/misc/polylith/default.nix
index b29b2521d170..4397fd11a27b 100644
--- a/pkgs/development/tools/misc/polylith/default.nix
+++ b/pkgs/development/tools/misc/polylith/default.nix
@@ -1,30 +1,32 @@
-{ lib, stdenv, fetchurl, jre, runtimeShell }:
+{ lib, stdenv, fetchurl, jdk, runtimeShell }:
 
 stdenv.mkDerivation rec {
   pname = "polylith";
-  version = "0.1.0-alpha9";
+  version = "0.2.12-alpha";
 
   src = fetchurl {
     url = "https://github.com/polyfy/polylith/releases/download/v${version}/poly-${version}.jar";
-    sha256 = "0mjn0fibj7z8wihk5frhyd5ai2bmzm909701sphjs7j9lgg0gc4k";
+    sha256 = "1zsasyrrssj7kmvgfr63fa5hslw9gnlbp9bh05g72bfgzi99n8kg";
   };
 
   dontUnpack = true;
 
+  passAsFile = [ "polyWrapper" ];
+  polyWrapper = ''
+    #!${runtimeShell}
+    ARGS=""
+    while [ "$1" != "" ] ; do
+      ARGS="$ARGS $1"
+      shift
+    done
+    exec "${jdk}/bin/java" "-jar" "${src}" $ARGS
+  '';
+
   installPhase = ''
     runHook preInstall
 
     mkdir -p $out/bin
-
-    cat > "$out/bin/poly" <<EOF
-    #!${runtimeShell}
-    ARGS=""
-    while [ "\$1" != "" ] ; do
-      ARGS="\$ARGS \$1"
-      shift
-    done
-    exec "${jre}/bin/java" "-jar" "${src}" \$ARGS
-    EOF
+    cp "$polyWrapperPath" $out/bin/poly
     chmod a+x $out/bin/poly
 
     runHook postInstall
@@ -43,7 +45,7 @@ stdenv.mkDerivation rec {
     description = "A tool used to develop Polylith based architectures in Clojure";
     homepage = "https://github.com/polyfy/polylith";
     license = licenses.epl10;
-    maintainers = [ maintainers.ericdallo ];
-    platforms = jre.meta.platforms;
+    maintainers = with maintainers; [ ericdallo jlesquembre ];
+    platforms = jdk.meta.platforms;
   };
 }