diff --git a/python-2.7.15-2.build.sh b/python-2.7.15-2.build.sh
index 0e215f6..ee2c2e8 100755
--- a/python-2.7.15-2.build.sh
+++ b/python-2.7.15-2.build.sh
@@ -7,6 +7,9 @@ BUILD=2
 PREFIX=/pkg/$PKG-$VERSION-$BUILD
 # PREFIX=/dev/shm/pkg/$PKG-$VERSION-$BUILD
 
+XPYTHONVER=2.7
+XPYTHONLIB=$PREFIX/lib/python$XPYTHONVER/site-packages
+
 PATH=/bin:/usr/bin:/usr/sbin:/usr/local/package/bin:/usr/local/bin
 export PATH
 
@@ -218,5 +221,25 @@ __CONSTRAINTS
 # creates a working executable, so don't get confused.
 pip install HiCExplorer --constraint $BUILDDIR/such_a_lamer --no-warn-conflicts
 
+(
+	SIP_VERSION=4.19.13
+	SIP_SRC=https://sourceforge.net/projects/pyqt/files/sip/sip-$SIP_VERSION/sip-$SIP_VERSION.tar.gz
+
+	cd $BUILDDIR
+	test -e sip-$SIP_VERSION.tar.gz || wget $SIP_SRC
+	test -d sip-$SIP_VERSION || tar -xf sip-$SIP_VERSION.tar.gz
+
+	cd sip-$SIP_VERSION
+
+	python configure.py\
+	    -b $PREFIX/bin \
+	    -d $XPYTHONLIB \
+	    -e $PREFIX/include/python$XPYTHONVER \
+	    -v $PREFIX/share/sip
+
+	mkdir -p $PREFIX/share/sip
+	make; make install
+)
+
 # exit 1 # final test, inhibits 'closing' on success
 exit