--- a/debian/patches/0001_reproducible-build.patch	1970-01-01 01:00:00.000000000 +0100
--- b/debian/patches/0001_reproducible-build.patch	2015-12-26 10:46:22.403357114 +0000
@@ -0,0 +1,11 @@
+--- python-caja-1.10.0.orig/docs/Makefile.am
++++ python-caja-1.10.0/docs/Makefile.am
+@@ -86,7 +86,7 @@ REFERENCE_DEPS = 	\
+ if ENABLE_GTK_DOC
+ 
+ reference/builddate.xml: $(REFERENCE_DEPS)
+-	$(PYTHON) -c 'import datetime; print datetime.date.today()' > $@
++	$(PYTHON) -c "import os, time, datetime; print datetime.datetime.utcfromtimestamp(int(os.environ.get('SOURCE_DATE_EPOCH', time.time()))).strftime('%Y-%m-%d')" > $@
+ 
+ $(HTML_FILES): $(REFERENCE_DEPS)
+ 	xsltproc --nonet --xinclude -o $(BUILDDIR)/html/ \
--- a/debian/patches/series	2015-12-26 09:44:07.654343335 +0000
--- b/debian/patches/series	2015-12-26 10:38:14.782043190 +0000
@@ -1 +1,2 @@
 2001_fix-python-libdir-not-found.patch
+0001_reproducible-build.patch