diff --git a/backend/src/main/java/org/raddatz/familienarchiv/service/RestClientOcrClient.java b/backend/src/main/java/org/raddatz/familienarchiv/service/RestClientOcrClient.java
index 4ab7958f..1130e67e 100644
--- a/backend/src/main/java/org/raddatz/familienarchiv/service/RestClientOcrClient.java
+++ b/backend/src/main/java/org/raddatz/familienarchiv/service/RestClientOcrClient.java
@@ -23,6 +23,7 @@ public class RestClientOcrClient implements OcrClient, OcrHealthClient {
 
     public RestClientOcrClient(@Value("${app.ocr.base-url:http://ocr-service:8000}") String baseUrl) {
         HttpClient httpClient = HttpClient.newBuilder()
+                .version(HttpClient.Version.HTTP_1_1)
                 .connectTimeout(Duration.ofSeconds(10))
                 .build();
         JdkClientHttpRequestFactory requestFactory = new JdkClientHttpRequestFactory(httpClient);