diff --git a/PF-build.sh b/PF-build.sh
index 5627b27bc..7164e4c8d 100755
--- a/PF-build.sh
+++ b/PF-build.sh
@@ -551,20 +551,20 @@ BUILD_ENV="1.0.8"
 BOARD="prusa_einsy_rambo"
 BOARD_PACKAGE_NAME="PrusaResearch"
 if [ "$ARDUINO_ENV" == "1.8.19" ]; then
-    BOARD_VERSION="1.0.5-2"
+    BOARD_VERSION="1.0.6"
 else
     BOARD_VERSION="1.0.4"
 fi
 if [ "$ARDUINO_ENV" == "1.8.19" ]; then
-    BOARD_URL="https://raw.githubusercontent.com/prusa3d/Arduino_Boards/devel/IDE_Board_Manager/package_prusa3d_index.json"
-    #BOARD_URL="https://raw.githubusercontent.com/3d-gussner/Arduino_Boards/devel/IDE_Board_Manager/package_prusa3d_index.json"
+    BOARD_URL="https://raw.githubusercontent.com/prusa3d/Arduino_Boards/master/IDE_Board_Manager/package_prusa3d_index.json"
+    #BOARD_URL="https://raw.githubusercontent.com/3d-gussner/Arduino_Boards/master/IDE_Board_Manager/package_prusa3d_index.json"
 else
     BOARD_URL="https://raw.githubusercontent.com/prusa3d/Arduino_Boards/master/IDE_Board_Manager/package_prusa3d_index.json"
 fi
 BOARD_FILENAME="prusa3dboards"
 if [ "$ARDUINO_ENV" == "1.8.19" ]; then
-    BOARD_FILE_URL="https://raw.githubusercontent.com/prusa3d/Arduino_Boards/devel/IDE_Board_Manager/prusa3dboards-$BOARD_VERSION.tar.bz2"
-    #BOARD_FILE_URL="https://raw.githubusercontent.com/3d-gussner/Arduino_Boards/devel/IDE_Board_Manager/prusa3dboards-$BOARD_VERSION.tar.bz2"
+    BOARD_FILE_URL="https://raw.githubusercontent.com/prusa3d/Arduino_Boards/master/IDE_Board_Manager/prusa3dboards-$BOARD_VERSION.tar.bz2"
+    #BOARD_FILE_URL="https://raw.githubusercontent.com/3d-gussner/Arduino_Boards/master/IDE_Board_Manager/prusa3dboards-$BOARD_VERSION.tar.bz2"
 else
     BOARD_FILE_URL="https://raw.githubusercontent.com/prusa3d/Arduino_Boards/master/IDE_Board_Manager/prusa3dboards-$BOARD_VERSION.tar.bz2"
 fi