diff --git a/packages/tmux/build.sh b/packages/tmux/build.sh
index f5dcd2009..107b3f4e4 100644
--- a/packages/tmux/build.sh
+++ b/packages/tmux/build.sh
@@ -3,9 +3,9 @@ TERMUX_PKG_DESCRIPTION="Terminal multiplexer"
 TERMUX_PKG_LICENSE="BSD"
 # Link against libandroid-support for wcwidth(), see https://github.com/termux/termux-packages/issues/224
 TERMUX_PKG_DEPENDS="ncurses, libevent, libandroid-support, libandroid-glob"
-TERMUX_PKG_VERSION=3.1a
+TERMUX_PKG_VERSION=3.1b
 TERMUX_PKG_SRCURL=https://github.com/tmux/tmux/archive/${TERMUX_PKG_VERSION}.tar.gz
-TERMUX_PKG_SHA256=dc70ff5bf2364b3df38d720fca5895b500b34d3e5487506497c2695fca0801a6
+TERMUX_PKG_SHA256=100d0a11a822927172e8b983b5f9401476bd9f2cfa6758512f762b9ad74f9536
 TERMUX_PKG_EXTRA_CONFIGURE_ARGS="--disable-static"
 TERMUX_PKG_BUILD_IN_SRC=true