diff --git a/packages/openbabel/build.sh b/packages/openbabel/build.sh
index a83ce5948..70ac879e0 100644
--- a/packages/openbabel/build.sh
+++ b/packages/openbabel/build.sh
@@ -2,6 +2,7 @@ TERMUX_PKG_HOMEPAGE=http://openbabel.org/wiki/Main_Page
 TERMUX_PKG_DESCRIPTION="Open Babel is a chemical toolbox designed to speak the many languages of chemical data"
 TERMUX_PKG_LICENSE="GPL-2.0"
 TERMUX_PKG_VERSION=3.1.1
+TERMUX_PKG_REVISION=1
 TERMUX_PKG_SRCURL=https://github.com/openbabel/openbabel/archive/openbabel-${TERMUX_PKG_VERSION//./-}.tar.gz
 TERMUX_PKG_SHA256=c97023ac6300d26176c97d4ef39957f06e68848d64f1a04b0b284ccff2744f02
 TERMUX_PKG_DEPENDS="libc++, libcairo, libxml2, eigen, boost"