diff --git a/.github/workflows/mac.yml b/.github/workflows/mac.yml
index 805ab64e5..e169d439d 100644
--- a/.github/workflows/mac.yml
+++ b/.github/workflows/mac.yml
@@ -39,7 +39,7 @@ jobs:
         run: |
           source .venv/bin/activate
           mkdir build && cd build
-          cmake .. -DCMAKE_VERBOSE_MAKEFILE=ON -DENABLE_QT6=ON -DCMAKE_BUILD_TYPE=Release -DARCH_OPT=nehalem -DDEBUG_OUTPUT=ON -DENABLE_USRP=OFF -DENABLE_MIRISDR=OFF -DBUILD_SERVER=OFF -DENABLE_EXTERNAL_LIBRARIES=ON -DBUNDLE=ON -DPKG_CONFIG_USE_CMAKE_PREFIX_PATH=TRUE
+          cmake .. -DCMAKE_VERBOSE_MAKEFILE=ON -DENABLE_QT6=ON -DCMAKE_BUILD_TYPE=Release -DARCH_OPT=nehalem -DDEBUG_OUTPUT=ON -DENABLE_USRP=ON -DENABLE_MIRISDR=OFF -DBUILD_SERVER=OFF -DENABLE_EXTERNAL_LIBRARIES=ON -DBUNDLE=ON -DPKG_CONFIG_USE_CMAKE_PREFIX_PATH=TRUE
       - name: Build SDRangel on Mac
         run: |
           source .venv/bin/activate
@@ -81,6 +81,7 @@ jobs:
         run: |
           python3 -m venv .venv
           source .venv/bin/activate
+          which python3
           python3 -m pip install numpy mako requests Cheetah3 setuptools
       - name: Install Qt
         uses: jurplel/install-qt-action@v4
@@ -92,8 +93,9 @@ jobs:
       - name: Configure SDRangel
         run: |
           source .venv/bin/activate
+          which python3
           mkdir build && cd build
-          cmake .. -DCMAKE_VERBOSE_MAKEFILE=ON -DENABLE_QT6=ON -DCMAKE_BUILD_TYPE=Release -DDEBUG_OUTPUT=ON -DENABLE_USRP=OFF -DENABLE_MIRISDR=OFF -DBUILD_SERVER=OFF -DENABLE_EXTERNAL_LIBRARIES=ON -DBUNDLE=ON -DPKG_CONFIG_USE_CMAKE_PREFIX_PATH=TRUE
+          cmake .. -DCMAKE_VERBOSE_MAKEFILE=ON -DENABLE_QT6=ON -DCMAKE_BUILD_TYPE=Release -DDEBUG_OUTPUT=ON -DENABLE_USRP=ON -DENABLE_MIRISDR=OFF -DBUILD_SERVER=OFF -DENABLE_EXTERNAL_LIBRARIES=ON -DBUNDLE=ON -DPKG_CONFIG_USE_CMAKE_PREFIX_PATH=TRUE
       - name: Build SDRangel on Mac
         run: |
           source .venv/bin/activate
diff --git a/external/CMakeLists.txt b/external/CMakeLists.txt
index 00f815005..7dade82a9 100644
--- a/external/CMakeLists.txt
+++ b/external/CMakeLists.txt
@@ -31,15 +31,9 @@ set(SOAPYSDR_REMOTE_TAG "soapy-remote-0.5.1")
 set(AIRSPY_TAG "37c768ce9997b32e7328eb48972a7fda0a1f8554")
 set(HACKRF_TAG "v2022.09.1")
 set(LIBXML2_TAG "v2.10.4")
-set(UHD_TAG "v4.6.0.0")
-if (APPLE AND (CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL x86_64))
-    # UHD fails to load with 1.80+
-    set(BOOST_TAG "1.78.0")
-    set(BOOST_TAG2 "1_78_0")
-else()
-    set(BOOST_TAG "1.83.0")
-    set(BOOST_TAG2 "1_83_0")
-endif()
+set(UHD_TAG "v4.7.0.0")
+set(BOOST_TAG "1.86.0")
+set(BOOST_TAG2 "1_86_0")
 
 # For some external project macros
 include(ExternalProject)
@@ -1578,6 +1572,7 @@ if (WIN32 OR APPLE)
                     -DLIBUSB_LIBRARIES=${LIBUSB_LIBRARIES}
                     -DLIBUSB_INCLUDE_DIR=${LIBUSB_INCLUDE_DIR}
                     ${UHD_PYTHON_ARGS}
+                    -DENABLE_PYTHON_API=OFF
                     -DCMAKE_INSTALL_NAME_DIR=<INSTALL_DIR>/lib
                 TEST_COMMAND ""
                 )