diff --git a/packages/byacc/build.sh b/packages/byacc/build.sh
index a4fd1c8efb..15628f2086 100644
--- a/packages/byacc/build.sh
+++ b/packages/byacc/build.sh
@@ -2,9 +2,9 @@ TERMUX_PKG_HOMEPAGE=https://invisible-island.net/byacc/
 TERMUX_PKG_DESCRIPTION="byacc is generally conceded to be the best yacc variant available"
 TERMUX_PKG_LICENSE="Public Domain"
 TERMUX_PKG_MAINTAINER="@termux"
-TERMUX_PKG_VERSION=20230219
+TERMUX_PKG_VERSION=20230521
 TERMUX_PKG_SRCURL=https://invisible-island.net/archives/byacc/byacc-${TERMUX_PKG_VERSION}.tgz
-TERMUX_PKG_SHA256=36b972a6d4ae97584dd186925fbbc397d26cb20632a76c2f52ac7653cd081b58
+TERMUX_PKG_SHA256=5ad915a7d5833aa38a5e31bd077505666029c35e365dff8569fe4598eaa9fef2
 TERMUX_PKG_BUILD_IN_SRC=true
 TERMUX_PKG_BUILD_DEPENDS="groff"
 TERMUX_PKG_CONFLICTS="bison"