diff --git a/eclipse-distribution/common/html/nightly-distributions.html b/eclipse-distribution/common/html/nightly-distributions.html
index f7e3787de..ea2ae8f05 100644
--- a/eclipse-distribution/common/html/nightly-distributions.html
+++ b/eclipse-distribution/common/html/nightly-distributions.html
@@ -41,7 +41,13 @@
 		
 	<h2>Eclipse-based Distribution Builds</h2>
 
-	<h3>Spring Tool Suite 4 - based on Eclipse 2021-06 Milestone Builds (4.20.0)</h3>
+	<h3>Spring Tool Suite 4 - based on Eclipse 2021-09 Milestone Builds (4.21.0)</h3>
+	<div id="e421"></div>
+	<script type="text/javascript">
+	$('#e421').load('sts4-nightly-e4.21.html');
+	</script>
+	
+	<h3>Spring Tool Suite 4 - based on Eclipse 2021-06 Release (4.20.0)</h3>
 	<div id="e420"></div>
 	<script type="text/javascript">
 	$('#e420').load('sts4-nightly-e4.20.html');
@@ -53,18 +59,6 @@
 	$('#e419').load('sts4-nightly-e4.19.html');
 	</script>
 	
-	<h3>Spring Tool Suite 4 - based on Eclipse 2020-12 Release (4.18.0)</h3>
-	<div id="e418"></div>
-	<script type="text/javascript">
-	$('#e418').load('sts4-nightly-e4.18.html');
-	</script>
-	
-	<h3>Spring Tool Suite 4 - based on Eclipse 2020-09 Release (4.17.0)</h3>
-	<div id="e417"></div>
-	<script type="text/javascript">
-	$('#e417').load('sts4-nightly-e4.17.html');
-	</script>
-	
 	<h2>Spring Tools 4 - Visual Studio Code Extensions</h2>
 
 	<div id="vsix"></div>