diff --git a/Makefile b/Makefile
index d6ffca4..a851556 100644
--- a/Makefile
+++ b/Makefile
@@ -12,11 +12,12 @@
 DEPLOY_HOST ?= compute.ids-mannheim.de
 DEPLOY_USER ?= korap
 DEPLOY_PATH ?= /export/netapp/korap4dnb
-MAX_THREADS ?= 4 # $(shell nproc)
+MAX_THREADS ?= 8 # $(shell nproc)
 MAKE ?= make -j $(shell nproc)
 KORAPXMLTOOL_HEAP ?= $(shell echo "$$(($(MAX_THREADS) * 2500))")
 KORAPXMLTOOL ?= java -Xmx$(KORAPXMLTOOL_HEAP)m -jar lib/korapxmltool.jar
 MARMOTMALTOOL ?= java -Xmx96000m -jar lib/korapxmltool.jar
+SPACYXMLTOOL ?= java -Xmx250g -jar lib/korapxmltool.jar
 SAXON ?= java -Djava.util.logging.config.file=/logging.properties -cp lib/saxon-ee-12.5.jar:lib/xmlresolver-5.2.2.jar:lib/textclassifier.jar:lib/xmlresolver-5.2.2-data.jar net.sf.saxon.Transform -expand:off -catalog:"lib/dtds/xhtml11/xhtmlcatalog.xml;lib/dtds/xhtml/dtd/xhtmlcatalog.xml"
 
 .DELETE_ON_ERROR:
@@ -85,7 +86,7 @@
 	$(KORAPXMLTOOL) $< | pv | docker run --rm -i korap/conllu2treetagger -l german | conllu2korapxml > $@
 
 %.spacy.zip: %.zip
-	$(KORAPXMLTOOL) $< | pv | docker run --rm -i korap/conllu2spacy | conllu2korapxml > $@
+	$(SPACYXMLTOOL) -T 8 -A "docker run -e SPACY_USE_DEPENDENCIES=False --rm -i korap/conllu2spacy:latest" -f zip --overwrite $<
 
 models/de.marmot:
 	mkdir -p models