diff --git a/buildtools/ant_modules/dist.xml b/buildtools/ant_modules/dist.xml
index 1803f5f043a..98f429ec9a9 100644
--- a/buildtools/ant_modules/dist.xml
+++ b/buildtools/ant_modules/dist.xml
@@ -662,23 +662,6 @@
 
 	<!-- START: web client -->
 
-	<target name="js-prepare-contribs">
-		<!-- convert contributors markdown to HTML -->
-		<exec executable="npm${executable.suffix}" failonerror="true">
-			<arg value="install"/>
-			<arg value="showdown"/>
-			<arg value="--no-save"/>
-		</exec>
-		<exec executable="npx${executable.suffix}" failonerror="true">
-			<arg value="showdown"/>
-			<arg value="makehtml"/>
-			<arg value="--input"/>
-			<arg value="doc/contributors.md"/>
-			<arg value="--output"/>
-			<arg value="${srcjs}/contributors.html"/>
-		</exec>
-	</target>
-
 	<target name="js-prepare-marauroa">
 		<mkdir dir="build/js"/>
 		<unzip dest="build" src="libs/marauroa.jar">
@@ -703,7 +686,7 @@
 	</target>
 
 
-	<extension-point name="js-prepare" depends="js-prepare-contribs,js-prepare-marauroa,js-prepare-build,js-prepare-node"/>
+	<extension-point name="js-prepare" depends="js-prepare-marauroa,js-prepare-build,js-prepare-node,js-prepare-contribs"/>
 
 
 	<target name="js-prepare-node">
@@ -714,6 +697,18 @@
 	</target>
 
 
+	<target name="js-prepare-contribs" depends="js-prepare-node">
+		<exec executable="npx${executable.suffix}" failonerror="true">
+			<arg value="showdown"/>
+			<arg value="makehtml"/>
+			<arg value="--input"/>
+			<arg value="doc/contributors.md"/>
+			<arg value="--output"/>
+			<arg value="${srcjs}/contributors.html"/>
+		</exec>
+	</target>
+
+
 	<!-- TODO: Do not write stendhal-compiled.js to the source directory tree but directly to the compiled directory tree -->
 	<target name="js-invoke-compiler">
 		<exec executable="npx${executable.suffix}" dir="${srcjs}/stendhal" failonerror="true">
diff --git a/buildtools/ant_modules/docs.xml b/buildtools/ant_modules/docs.xml
index 220edacf1db..7b231773189 100644
--- a/buildtools/ant_modules/docs.xml
+++ b/buildtools/ant_modules/docs.xml
@@ -87,12 +87,7 @@
 	</target>
 
 
-	<target name="tsdocs" depends="clean_tsdocs">
-		<exec executable="npm${executable.suffix}" failonerror="true">
-			<arg value="install"/>
-			<arg value="typedoc"/>
-			<arg value="--no-save"/>
-		</exec>
+	<target name="tsdocs" depends="clean_tsdocs,js-prepare-node">
 		<exec executable="npx${executable.suffix}" dir="${srcjs}/stendhal" failonerror="true">
 			<arg value="typedoc"/>
 			<arg value="--entryPointStrategy"/>
diff --git a/package.json b/package.json
index 1dec9efce77..6619d1b7a29 100644
--- a/package.json
+++ b/package.json
@@ -30,5 +30,9 @@
   "private": true,
   "dependencies": {
     "typescript": "^5.2.0"
+  },
+  "devDependencies": {
+    "showdown": "^2.1.0",
+    "typedoc": "^0.25.12"
   }
 }