diff --git a/gis/OTB/OTB.SlackBuild b/gis/OTB/OTB.SlackBuild
index d0c39f7597..3a2ee524a1 100644
--- a/gis/OTB/OTB.SlackBuild
+++ b/gis/OTB/OTB.SlackBuild
@@ -100,9 +100,11 @@ cd build
     -DBUILD_EXAMPLES=OFF \
     -DBUILD_TESTING=OFF \
     -DOTB_USE_CURL=ON \
-    -DOTB_USE_LIBKML=OFF \
+    -DOTB_USE_GLUT=ON \
+    -DOTB_USE_GSL=ON \
+    -DOTB_USE_LIBKML=ON \
     -DOTB_USE_MUPARSER=ON \
-    -DOTB_USE_OPENCV=${OPENCV:-OFF} \
+    -DOTB_USE_OPENCV=ON \
     -DOTB_USE_OPENMP=ON \
     -DOTB_USE_SHARK=ON \
     -DOTB_INSTALL_PYTHON_DIR=$(python3 -c "from distutils.sysconfig import get_python_lib; print(get_python_lib())") \
diff --git a/gis/OTB/OTB.info b/gis/OTB/OTB.info
index cc0685d204..54b80a92bf 100644
--- a/gis/OTB/OTB.info
+++ b/gis/OTB/OTB.info
@@ -5,6 +5,6 @@ DOWNLOAD="https://github.com/orfeotoolbox/OTB/archive/7.2.0/OTB-7.2.0.tar.gz"
 MD5SUM="925a7bcf121c72a24dc99924c1a0c02a"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
-REQUIRES="blas gdal ITK OpenSceneGraph muParser ossim Shark tinyxml"
+REQUIRES="gdal ITK libkml OpenSceneGraph muParser ossim Shark tinyxml"
 MAINTAINER="Benjamin Trigona-Harany"
 EMAIL="slackbuilds@jaxartes.net"
diff --git a/gis/OTB/README b/gis/OTB/README
index 456ea30da3..a748c83b64 100644
--- a/gis/OTB/README
+++ b/gis/OTB/README
@@ -14,7 +14,5 @@ A QT application launcher will be built by default. Set QTGUI=OFF to disable
 it (note that disabling Qt support will also disable Monteverdi even if
 MONTEVERDI is set to ON).
 
-OTB may use the following optional dependencies: opencv (use OPENCV=ON).
-
 OTB will be built with support for the following packages if they are
-available at compile time: numpy and numpy3.
+available at compile time: numpy3.