diff --git a/x11-packages/fltk/build.sh b/x11-packages/fltk/build.sh
index af9d860a4..ee67fd700 100644
--- a/x11-packages/fltk/build.sh
+++ b/x11-packages/fltk/build.sh
@@ -2,10 +2,9 @@ TERMUX_PKG_HOMEPAGE=https://www.fltk.org/
 TERMUX_PKG_DESCRIPTION="Graphical user interface toolkit for X"
 TERMUX_PKG_LICENSE="LGPL-2.0"
 TERMUX_PKG_MAINTAINER="Leonid Pliushch <leonid.pliushch@gmail.com>"
-TERMUX_PKG_VERSION=1.3.5
-TERMUX_PKG_REVISION=18
+TERMUX_PKG_VERSION=1.3.7
 TERMUX_PKG_SRCURL=https://www.fltk.org/pub/fltk/${TERMUX_PKG_VERSION}/fltk-${TERMUX_PKG_VERSION}-source.tar.gz
-TERMUX_PKG_SHA256=8729b2a055f38c1636ba20f749de0853384c1d3e9d1a6b8d4d1305143e115702
+TERMUX_PKG_SHA256=5d2ccb7ad94e595d3d97509c7a931554e059dd970b7b29e6fd84cb70fd5491c6
 TERMUX_PKG_DEPENDS="fontconfig, glu, libc++, libjpeg-turbo, libpng, libx11, libxcursor, libxext, libxfixes, libxft, libxinerama, libxrender, mesa, zlib"
 TERMUX_PKG_BUILD_IN_SRC=true