diff --git a/code/processes/crawling-process/java/nu/marginalia/crawl/retreival/fetcher/warc/WarcDigestBuilder.java b/code/processes/crawling-process/java/nu/marginalia/crawl/retreival/fetcher/warc/WarcDigestBuilder.java
index b3a8ab4f..79b4c86a 100644
--- a/code/processes/crawling-process/java/nu/marginalia/crawl/retreival/fetcher/warc/WarcDigestBuilder.java
+++ b/code/processes/crawling-process/java/nu/marginalia/crawl/retreival/fetcher/warc/WarcDigestBuilder.java
@@ -8,7 +8,7 @@ import java.security.NoSuchAlgorithmException;
 class WarcDigestBuilder {
     private final MessageDigest digest;
 
-    private static final String digestAlgorithm = "SHA-1";
+    private static final String digestAlgorithm = "SHA-256";
 
     public WarcDigestBuilder() throws NoSuchAlgorithmException {
         this.digest = MessageDigest.getInstance(digestAlgorithm);