diff --git a/host/cmake/Modules/UHDBoost.cmake b/host/cmake/Modules/UHDBoost.cmake
index 08d46f78a..579f41d62 100644
--- a/host/cmake/Modules/UHDBoost.cmake
+++ b/host/cmake/Modules/UHDBoost.cmake
@@ -143,10 +143,10 @@ if(POLICY CMP0093)
     cmake_policy(SET CMP0093 NEW)
 endif()
 
-# if no CXX STANDARD is set, default to that required by UHD: c++14
+# if no CXX STANDARD is set, default to that required by UHD: c++20
 if(NOT CMAKE_CXX_STANDARD)
-  set(CMAKE_CXX_STANDARD 14)
-  message(WARNING "\nC++ standard not yet set; setting to C++14.\n")
+  set(CMAKE_CXX_STANDARD 20)
+  message(WARNING "\nC++ standard not yet set; setting to C++20.\n")
 endif()
 
 if(${UHD_BOOST_OPTIONAL_COMPONENTS_LEN} GREATER 0)
diff --git a/host/cmake/Modules/UHDConfig.cmake.in b/host/cmake/Modules/UHDConfig.cmake.in
index ac7417684..de1ffad81 100644
--- a/host/cmake/Modules/UHDConfig.cmake.in
+++ b/host/cmake/Modules/UHDConfig.cmake.in
@@ -23,6 +23,10 @@ list(INSERT CMAKE_MODULE_PATH 0 "${CMAKE_CURRENT_LIST_DIR}")
 
 include("${CMAKE_CURRENT_LIST_DIR}/UHDMinDepVersions.cmake")
 
+if(POLICY CMP0167)
+  cmake_policy(PUSH)
+  cmake_policy(SET CMP0167 NEW)
+endif()
 include(CMakeFindDependencyMacro)
 find_dependency(Boost ${UHD_BOOST_MIN_VERSION}
   COMPONENTS
@@ -34,6 +38,9 @@ find_dependency(Boost ${UHD_BOOST_MIN_VERSION}
   thread
   unit_test_framework
 )
+if(POLICY CMP0167)
+  cmake_policy(POP)
+endif()
 
 include("${CMAKE_CURRENT_LIST_DIR}/UHDTargets.cmake")
 
diff --git a/host/examples/extension_example/CMakeLists.txt b/host/examples/extension_example/CMakeLists.txt
index 47f13cde4..f1898f344 100644
--- a/host/examples/extension_example/CMakeLists.txt
+++ b/host/examples/extension_example/CMakeLists.txt
@@ -34,7 +34,6 @@ find_package(UHD 4.3.0 REQUIRED)
 # Set components here, then include UHDBoost to do the actual finding
 set(UHD_BOOST_REQUIRED_COMPONENTS
     program_options
-    system
     thread
 )
 set(UHD_BOOST_MIN_VERSION 1.71)
diff --git a/host/tests/CMakeLists.txt b/host/tests/CMakeLists.txt
index 74b741ab1..ce6078886 100644
--- a/host/tests/CMakeLists.txt
+++ b/host/tests/CMakeLists.txt
@@ -106,9 +106,18 @@ if(NOT DEFINED Boost_USE_STATIC_LIBS OR Boost_USE_STATIC_LIBS)
     set(Boost_USE_STATIC_LIBS OFF)
 endif()
 # Duplicate find_package(Boost) arguments used in UHDBoost.cmake
+if(POLICY CMP0167)
+    cmake_policy(PUSH)
+    cmake_policy(SET CMP0167 NEW)
+endif()
+
 find_package(Boost ${UHD_BOOST_MIN_VERSION} QUIET
     COMPONENTS unit_test_framework ${UHD_BOOST_REQUIRED})
 
+if(POLICY CMP0167)
+    cmake_policy(POP)
+endif()
+
 if(Boost_VERBOSE OR Boost_DEBUG)
     # After: find_package(Boost REQUIRED COMPONENTS unit_test_framework)
     # The actual library file(s) per-config
diff --git a/tools/kitchen_sink/CMakeLists.txt b/tools/kitchen_sink/CMakeLists.txt
index 6c621b448..549840054 100644
--- a/tools/kitchen_sink/CMakeLists.txt
+++ b/tools/kitchen_sink/CMakeLists.txt
@@ -16,8 +16,9 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 
-cmake_minimum_required(VERSION 3.5.1)
+cmake_minimum_required(VERSION 3.12)
 project(kitchen_sink CXX)
+set(CMAKE_CXX_STANDARD 20)
 
 ###############################################################################
 
diff --git a/tools/nirio_programmer/CMakeLists.txt b/tools/nirio_programmer/CMakeLists.txt
index c579f3be1..361ee6889 100644
--- a/tools/nirio_programmer/CMakeLists.txt
+++ b/tools/nirio_programmer/CMakeLists.txt
@@ -16,9 +16,9 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 
-cmake_minimum_required(VERSION 3.5.1)
+cmake_minimum_required(VERSION 3.12)
 project(NIRIO_PROGRAMMER CXX)
-set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD 20)
 
 ### Set up build environment ##################################################
 # Choose a static or shared-library build (shared is default, and static will