diff --git a/packages/cboard/build.sh b/packages/cboard/build.sh
index 340480aa1..c9b83f6bc 100644
--- a/packages/cboard/build.sh
+++ b/packages/cboard/build.sh
@@ -1,7 +1,9 @@
 TERMUX_PKG_HOMEPAGE=https://benkibbey.wordpress.com/cboard/
 TERMUX_PKG_DESCRIPTION="PGN browser, editor and chess engine frontend"
 TERMUX_PKG_VERSION=0.7.3
+TERMUX_PKG_REVISION=1
 TERMUX_PKG_SRCURL=http://downloads.sourceforge.net/project/c-board/${TERMUX_PKG_VERSION}/cboard-${TERMUX_PKG_VERSION}.tar.bz2
+TERMUX_PKG_SHA256=8caeabc5cccd35c0f093d36ec0088667530d92e178d328ef345c4c20052d25e2
 TERMUX_PKG_DEPENDS="libandroid-support,libandroid-glob,gnuchess, ncurses, ncurses-ui-libs"
 
 termux_step_pre_configure () {
diff --git a/packages/gnuchess/build.sh b/packages/gnuchess/build.sh
index 84b7714b8..ff792f4d0 100644
--- a/packages/gnuchess/build.sh
+++ b/packages/gnuchess/build.sh
@@ -2,5 +2,6 @@ TERMUX_PKG_HOMEPAGE=https://www.gnu.org/software/chess/
 TERMUX_PKG_DESCRIPTION="Chess-playing program"
 TERMUX_PKG_VERSION=6.2.4
 TERMUX_PKG_SRCURL=https://mirrors.kernel.org/gnu/chess/gnuchess-${TERMUX_PKG_VERSION}.tar.gz
+TERMUX_PKG_SHA256=3c425c0264f253fc5cc2ba969abe667d77703c728770bd4b23c456cbe5e082ef
 TERMUX_PKG_DEPENDS="ncurses, readline"
 TERMUX_PKG_RM_AFTER_INSTALL="bin/gnuchessu bin/gnuchessx"