diff --git a/graphics/MaterialX/MaterialX.SlackBuild b/graphics/MaterialX/MaterialX.SlackBuild
index 1de2bfea0b..cd41006c67 100644
--- a/graphics/MaterialX/MaterialX.SlackBuild
+++ b/graphics/MaterialX/MaterialX.SlackBuild
@@ -25,8 +25,8 @@
 cd $(dirname $0) ; CWD=$(pwd)
 
 PRGNAM=MaterialX
-VERSION=${VERSION:-1.38.8}
-BUILD=${BUILD:-2}
+VERSION=${VERSION:-1.38.9}
+BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 PKGTYPE=${PKGTYPE:-tgz}
 EXTVERSION=20240101
diff --git a/graphics/MaterialX/MaterialX.info b/graphics/MaterialX/MaterialX.info
index d1bd29d6f5..9b5e46fde4 100644
--- a/graphics/MaterialX/MaterialX.info
+++ b/graphics/MaterialX/MaterialX.info
@@ -1,7 +1,7 @@
 PRGNAM="MaterialX"
-VERSION="1.38.8"
+VERSION="1.38.9"
 HOMEPAGE="https://materialx.org/"
-DOWNLOAD="https://github.com/AcademySoftwareFoundation/MaterialX/archive/v1.38.8.tar.gz \
+DOWNLOAD="https://github.com/AcademySoftwareFoundation/MaterialX/archive/v1.38.9.tar.gz \
           https://github.com/giandex/nanogui/archive/20240101.tar.gz \
           https://github.com/giandex/nanobind/archive/20240101.tar.gz \
           https://github.com/giandex/nanovg/archive/20240101.tar.gz \
@@ -9,7 +9,7 @@ DOWNLOAD="https://github.com/AcademySoftwareFoundation/MaterialX/archive/v1.38.8
           https://github.com/giandex/robin-map/archive/20240101.tar.gz \
           https://github.com/giandex/imgui/archive/20240101.tar.gz \
           https://github.com/giandex/imgui-node-editor/archive/20240101.tar.gz"
-MD5SUM="fad8f4e19305fb2ee920cbff638f3560 \
+MD5SUM="8a656a401b34058adc69d6b4e0c80f26 \
         405cc59e1bd28e7571b9587c9c9c21a5 \
         ec7d95e77a32fc06a1670fd938981b82 \
         84ef5e0623bcfc65c3cf767ba71ce5dd \