diff --git a/packages/flatbuffers/build.sh b/packages/flatbuffers/build.sh
index a7794b44c8..6a100e0091 100644
--- a/packages/flatbuffers/build.sh
+++ b/packages/flatbuffers/build.sh
@@ -2,9 +2,9 @@ TERMUX_PKG_HOMEPAGE=https://github.com/google/flatbuffers
 TERMUX_PKG_DESCRIPTION="Memory Efficient Serialization Library"
 TERMUX_PKG_LICENSE="Apache-2.0"
 TERMUX_PKG_MAINTAINER="Simeon Huang <symeon@librehat.com>"
-TERMUX_PKG_VERSION="23.1.4"
+TERMUX_PKG_VERSION="23.1.21"
 TERMUX_PKG_SRCURL=https://github.com/google/flatbuffers/archive/refs/tags/v${TERMUX_PKG_VERSION}.tar.gz
-TERMUX_PKG_SHA256=801871ff3747838c0dd9730fc44ca9cc453ff42f9c8a0a2f1b33776d2ca5e4b9
+TERMUX_PKG_SHA256=d84cb25686514348e615163b458ae0767001b24b42325f426fd56406fd384238
 TERMUX_PKG_AUTO_UPDATE=true
 TERMUX_PKG_DEPENDS="libc++"