diff --git a/debian/copyright b/debian/copyright
index 36df2aa..55e435d 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -1,6 +1,7 @@
 Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
 Upstream-Name: minimap
 Source: https://github.com/lh3/minimap
+Files-Excluded: tex
 
 Files: *
 Copyright: © 2015 Broad Institute <hengli@broadinstitute.org>
diff --git a/debian/watch b/debian/watch
index f7580d3..89328fa 100644
--- a/debian/watch
+++ b/debian/watch
@@ -1,3 +1,4 @@
 version=3
+opts=repacksuffix=+dfsg,dversionmangle=s/\+(debian|dfsg|ds|deb)(\.\d+)?$// \
 https://github.com/lh3/miniasm/releases .*/archive/v(\d[\d.-]+)\.(?:tar(?:\.gz|\.bz2)?|tgz)