diff --git a/Makefile b/Makefile
index f02cd79..88b7519 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 SHELL := /bin/bash
 PROJECT := graphsense-lib
 VENV := venv
-RELEASE := 'v24.07.2'
-RELEASESEM := 'v2.3.2'
+RELEASE := 'v24.07.3'
+RELEASESEM := 'v2.3.3'
 
 
 all: format lint test build
diff --git a/src/graphsenselib/ingest/delta/sink.py b/src/graphsenselib/ingest/delta/sink.py
index cd3bf17..08e705c 100644
--- a/src/graphsenselib/ingest/delta/sink.py
+++ b/src/graphsenselib/ingest/delta/sink.py
@@ -48,7 +48,9 @@ def optimize_table(table_path, storage_options=None, mode="both"):
     if mode in ["both", "compact"]:
         logger.debug("Compact table...")
         # some sources say 1GB, default in the lib is 256MB, we take 512MB
-        table.optimize.compact(target_size=512 * MB)
+        # we strive for a manageable amount of Memory consumption, so we limit
+        # the concurrency
+        table.optimize.compact(target_size=512 * MB, max_concurrent_tasks=20)
     if mode in ["both", "vacuum"]:
         logger.debug("Vacuum table...")
         table.vacuum(retention_hours=0, enforce_retention_duration=False, dry_run=False)