diff --git a/Makefile b/Makefile
index 3c46546..515bd58 100644
--- a/Makefile
+++ b/Makefile
@@ -1,32 +1,32 @@
 REPO=repo
 TMP=sdk
 ARGS="--user"
 ARCH?=$(shell flatpak --default-arch)
 
 all: $(REPO)/config $(foreach file, $(wildcard *.json), $(subst .json,.app,$(file)))
 
 %.app: %.json
 	flatpak-builder --arch=$(ARCH) --force-clean --require-changes --ccache --repo=$(REPO) --subject="build of org.kde.Sdk, `date`" ${EXPORT_ARGS} $(TMP) $<
 
 export:
-	flatpak build-update-repo $(REPO) ${EXPORT_ARGS}
+	flatpak build-update-repo $(REPO) ${EXPORT_ARGS} --generate-static-deltas
 
 $(REPO)/config:
 	ostree init --mode=archive-z2 --repo=$(REPO)
 
 remotes:
 	flatpak remote-add $(ARGS) gnome --from https://sdk.gnome.org/gnome.flatpakrepo --if-not-exists
 
 deps:
 	flatpak install --arch=$(ARCH) $(ARGS) gnome org.freedesktop.Platform.Locale 1.6; true
 	flatpak install --arch=$(ARCH) $(ARGS) gnome org.freedesktop.Sdk.Locale 1.6; true
 	flatpak install --arch=$(ARCH) $(ARGS) gnome org.freedesktop.Platform 1.6; true
 	flatpak install --arch=$(ARCH) $(ARGS) gnome org.freedesktop.Sdk 1.6; true
 	flatpak install --arch=$(ARCH) $(ARGS) gnome org.freedesktop.Sdk.Debug 1.6; true
 	flatpak install --arch=$(ARCH) $(ARGS) gnome org.freedesktop.Sdk.Docs 1.6; true
 
 check:
 	json-glib-validate *.json
 
 clean:
 	rm -rf $(TMP) .flatpak-builder