diff --git a/snakecnv/tools/delly.snk b/snakecnv/tools/delly.snk
index 993ec9034ee99b15913a46f5b29cf01dfd159bac..8e94aae6794cc3e39c84ec306474e136b253309e 100644
--- a/snakecnv/tools/delly.snk
+++ b/snakecnv/tools/delly.snk
@@ -12,7 +12,7 @@ rule delly:
         template = EMPTY_TEMPLATE,
         reference = os.path.abspath(REFERENCE)
     threads:
-        get_threads("delly", 4)
+        get_threads("delly", 8)
     log:
         stdout = "{batch}/logs/delly/{chrom}_{svtype}.o",
         stderr = "{batch}/logs/delly/{chrom}_{svtype}.e"