diff --git a/README b/README
index 5c35f46..ee6f604 100644
--- a/README
+++ b/README
@@ -12,3 +12,5 @@ which sometimes can fail to build or can be unstable.
 
 Beware that only one version can be installed at a time and during installation
 it overwrite previosly installed version.
+
+KStars NEED 64bit OS so make sure that you are running this on 64 bit Raspberry OS or alike. It will fail on 32 bit system
diff --git a/build-soft-stable.sh b/build-soft-stable.sh
index 94f4703..4b1bab1 100755
--- a/build-soft-stable.sh
+++ b/build-soft-stable.sh
@@ -3,7 +3,7 @@
 export CFLAGS="-march=native -w -Wno-psabi -D_FILE_OFFSET_BITS=64"
 export CXXFLAGS="-march=native -w -Wno-psabi -D_FILE_OFFSET_BITS=64"
 
-LIBXISF_COMMIT="v0.2.10"
+LIBXISF_COMMIT="v0.2.11"
 INDI_COMMIT="v2.0.5"
 INDI_3RD_COMMIT="v2.0.5"
 STELLAR_COMMIT="e415e51d99224f239c24634519c030ef60969723"
diff --git a/install-dependencies.sh b/install-dependencies.sh
index bf96d5f..57f0997 100755
--- a/install-dependencies.sh
+++ b/install-dependencies.sh
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+sudo apt update && sudo apt upgrade
+
 sudo apt install libnova-dev libcfitsio-dev libusb-1.0-0-dev zlib1g-dev libgsl-dev build-essential cmake git \
         libjpeg-dev libcurl4-gnutls-dev libtiff-dev libfftw3-dev libftdi-dev libgps-dev libraw-dev libdc1394-dev libgphoto2-dev \
         libboost-dev libboost-regex-dev librtlsdr-dev liblimesuite-dev libftdi1-dev libavcodec-dev libavdevice-dev \