diff --git a/spring-cloud-starter-parent/pom.xml b/spring-cloud-starter-parent/pom.xml
index 4f251c0..d0501c7 100644
--- a/spring-cloud-starter-parent/pom.xml
+++ b/spring-cloud-starter-parent/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.4.5-SNAPSHOT</version>
+		<version>2.4.6-SNAPSHOT</version>
 	</parent>
 	<groupId>org.springframework.cloud</groupId>
 	<artifactId>spring-cloud-starter-parent</artifactId>
diff --git a/train-docs/src/main/java/org/springframework/cloud/internal/ArtifactFetcher.java b/train-docs/src/main/java/org/springframework/cloud/internal/ArtifactFetcher.java
index 8465774..1b3a6e4 100644
--- a/train-docs/src/main/java/org/springframework/cloud/internal/ArtifactFetcher.java
+++ b/train-docs/src/main/java/org/springframework/cloud/internal/ArtifactFetcher.java
@@ -103,6 +103,7 @@ class ArtifactFetcher {
 			String[] splitVersion = version.split("\\.");
 			sourcesUrls.add(sourcesUrl + splitVersion[0] + "." + splitVersion[1] + ".x.zip");
 			// fallback
+			sourcesUrls.add(sourcesUrl + "main.zip");
 			sourcesUrls.add(sourcesUrl + "master.zip");
 		}
 		else {