diff --git a/processing/process.py b/processing/process.py
index 4a6409c..c55737d 100644
--- a/processing/process.py
+++ b/processing/process.py
@@ -74,7 +74,7 @@ nlp = spacy.load("en_core_web_sm", disable=["parser", "ner"])
 log = util.get_logger("process")
 
 # Maximum number of CPU threads to use for post processing
-CPU_THREADS = os.cpu_count()
+CPU_THREADS = int(os.getenv("MONOLITH_PROCESS_THREADS", os.cpu_count()))
 
 p = ProcessPoolExecutor(CPU_THREADS)