diff --git a/stage4/11-pisdr-rtlsdr/00-run.sh b/stage4/11-pisdr-rtlsdr/00-run.sh
index bc11ce5..0e4ec22 100755
--- a/stage4/11-pisdr-rtlsdr/00-run.sh
+++ b/stage4/11-pisdr-rtlsdr/00-run.sh
@@ -8,7 +8,7 @@ if [ ! -d "rtl-sdr" ]; then
     git clone --depth 1 https://github.com/rtlsdrblog/rtl-sdr-blog.git
 fi
 
-cd rtl-sdr
+cd rtl-sdr-blog
 mkdir -p build
 cd build
 cmake -GNinja -DINSTALL_UDEV_RULES=ON -DDETACH_KERNEL_DRIVER=ON ..
diff --git a/stage4/13-pisdr-gnuradio/00-packages-nr b/stage4/13-pisdr-gnuradio/00-packages-nr
index 942501c..285204a 100644
--- a/stage4/13-pisdr-gnuradio/00-packages-nr
+++ b/stage4/13-pisdr-gnuradio/00-packages-nr
@@ -18,6 +18,7 @@ libqt5opengl5-dev
 libcodec2-dev
 libsndfile1-dev
 pybind11-dev
+libspdlog-dev
 gir1.2-gtk-3.0
 swig
 
@@ -35,4 +36,6 @@ python3-pip
 python3-gi-cairo
 python3-matplotlib
 python3-pygccxml
-python3-pyqtgraph
\ No newline at end of file
+python3-pyqtgraph
+python3-packaging
+python3-jsonschema
\ No newline at end of file
diff --git a/stage4/14-pisdr-gnuradio-mod/03-run.sh b/stage4/14-pisdr-gnuradio-mod/03-run.sh
index 73401a1..2eb170c 100755
--- a/stage4/14-pisdr-gnuradio-mod/03-run.sh
+++ b/stage4/14-pisdr-gnuradio-mod/03-run.sh
@@ -5,7 +5,7 @@ mkdir -p    "/home/${FIRST_USER_NAME}/PiSDR/Software"
 cd 		    "/home/${FIRST_USER_NAME}/PiSDR/Software"
 
 if [ ! -d "gr-sdrplay3" ]; then
-    git clone --single-branch --branch master --depth 1 https://github.com/fventuri/gr-sdrplay3.git
+    git clone --single-branch --branch main --depth 1 https://github.com/fventuri/gr-sdrplay3.git
 fi
 
 cd gr-sdrplay3