diff --git a/vector-stores/spring-ai-chroma-store/src/main/java/org/springframework/ai/chroma/vectorstore/ChromaApi.java b/vector-stores/spring-ai-chroma-store/src/main/java/org/springframework/ai/chroma/vectorstore/ChromaApi.java
index 79166c0c2a1..ab219a6f6d7 100644
--- a/vector-stores/spring-ai-chroma-store/src/main/java/org/springframework/ai/chroma/vectorstore/ChromaApi.java
+++ b/vector-stores/spring-ai-chroma-store/src/main/java/org/springframework/ai/chroma/vectorstore/ChromaApi.java
@@ -328,7 +328,7 @@ public Map<String, Object> where(String text) {
 
 	private void httpHeaders(HttpHeaders headers) {
 		if (StringUtils.hasText(this.keyToken)) {
-			headers.setBearerAuth(this.keyToken);
+			headers.set("x-chroma-token", this.keyToken);
 		}
 	}