diff --git a/packages/gcal/build.sh b/packages/gcal/build.sh
index 8ef30bf07..d37877b1a 100644
--- a/packages/gcal/build.sh
+++ b/packages/gcal/build.sh
@@ -3,7 +3,7 @@ TERMUX_PKG_DESCRIPTION="Program for calculating and printing calendars"
TERMUX_PKG_LICENSE="GPL-2.0"
TERMUX_PKG_MAINTAINER="@termux"
TERMUX_PKG_VERSION=4.1
-TERMUX_PKG_REVISION=2
+TERMUX_PKG_REVISION=3
TERMUX_PKG_SRCURL=https://mirrors.kernel.org/gnu/gcal/gcal-${TERMUX_PKG_VERSION}.tar.xz
TERMUX_PKG_SHA256=91b56c40b93eee9bda27ec63e95a6316d848e3ee047b5880ed71e5e8e60f61ab
TERMUX_PKG_DEPENDS="ncurses"
diff --git a/packages/gcal/gnulib.patch b/packages/gcal/gnulib.patch
new file mode 100644
index 000000000..6eac9cd90
--- /dev/null
+++ b/packages/gcal/gnulib.patch
@@ -0,0 +1,23 @@
+--- ./lib/freading.c.orig 2021-11-10 19:59:55.538541462 +0100
++++ ./lib/freading.c 2021-11-10 20:00:12.808525987 +0100
+@@ -14,6 +14,9 @@
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see . */
+
++#include
++#include
++
+ #include
+
+ /* Specification. */
+--- ./lib/stdio-impl.h.orig 2021-11-10 19:59:05.885252656 +0100
++++ ./lib/stdio-impl.h 2021-11-10 19:59:26.848567182 +0100
+@@ -27,6 +27,8 @@
+ #endif
+
+ #include /* For detecting Plan9. */
++#include
++#include
+
+ #if defined __sferror || defined __DragonFly__ || defined __ANDROID__
+ /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin, Minix 3, Android */