diff --git a/src/sentry/debug_files/artifact_bundle_indexing.py b/src/sentry/debug_files/artifact_bundle_indexing.py
index 76ed9590f7abf6..fe5b4107b1747b 100644
--- a/src/sentry/debug_files/artifact_bundle_indexing.py
+++ b/src/sentry/debug_files/artifact_bundle_indexing.py
@@ -462,7 +462,7 @@ def update_artifact_bundle_index(
 # We have seen (legitimate) uploads with over 25_000 unique files.
 MAX_URLS_PER_INDEX = 75_000
 # Some highly joint bundles will have thousands of bundles matching a file
-MAX_BUNDLES_PER_ENTRY = 50
+MAX_BUNDLES_PER_ENTRY = 20
 
 
 Bundles = List[BundleMeta]