diff --git a/pr_urls.json b/pr_urls.json
index e9abff427..f68504070 100644
--- a/pr_urls.json
+++ b/pr_urls.json
@@ -52,7 +52,8 @@
     ],
     "10.5281/zenodo.5910854": [
         "https://github.com/bioimage-io/collection-bioimage-io/pull/300",
-        "https://github.com/bioimage-io/collection-bioimage-io/pull/430"
+        "https://github.com/bioimage-io/collection-bioimage-io/pull/430",
+        "https://github.com/bioimage-io/collection-bioimage-io/pull/668"
     ],
     "10.5281/zenodo.5914248": [
         "https://github.com/bioimage-io/collection-bioimage-io/pull/352",