diff --git a/CMakeLists.txt b/CMakeLists.txt
index 501679f..e46ee91 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.21)
+cmake_minimum_required(VERSION 3.24)
 
 project(
   Assertion
diff --git a/cmake/Assertion.cmake b/cmake/Assertion.cmake
index 6fcd3c5..0bcc4f0 100644
--- a/cmake/Assertion.cmake
+++ b/cmake/Assertion.cmake
@@ -118,227 +118,217 @@ endmacro()
 function(assert)
   cmake_parse_arguments(PARSE_ARGV 0 ARG "" "" "")
 
-  # This block will automatically set several policies to use the new behavior
-  # if it is available in the current CMake version.
-  block(SCOPE_FOR POLICIES)
-    foreach(POLICY IN ITEMS CMP0012 CMP0054 CMP0057 CMP0064 CMP0139)
-      if(POLICY "${POLICY}")
-        cmake_policy(SET "${POLICY}" NEW)
-      endif()
-    endforeach()
+  if(${ARG_UNPARSED_ARGUMENTS})
+    # Assertion passed, exit immediately.
+    return()
+  endif()
 
-    if(${ARG_UNPARSED_ARGUMENTS})
-      # Assertion passed, exit immediately.
-      return()
+  # Assertion failed, determine the fatal error message based on the given
+  # condition.
+  if(ARGC EQUAL 2)
+    if(NOT ARGV0 STREQUAL NOT)
+      if(ARGV0 STREQUAL "COMMAND")
+        fail("expected command" ARGV1 "to be defined")
+        return()
+      elseif(ARGV0 STREQUAL "POLICY")
+        fail("expected policy" ARGV1 "to exist")
+        return()
+      elseif(ARGV0 STREQUAL "TARGET")
+        fail("expected target" ARGV1 "to exist")
+        return()
+      elseif(ARGV0 STREQUAL "TEST")
+        fail("expected test" ARGV1 "to exist")
+        return()
+      elseif(ARGV0 STREQUAL "DEFINED")
+        fail("expected variable" ARGV1 "to be defined")
+        return()
+      elseif(ARGV0 STREQUAL "EXISTS")
+        fail("expected path" ARGV1 "to exist")
+        return()
+      elseif(ARGV0 STREQUAL "IS_READABLE")
+        fail("expected path" ARGV1 "to be readable")
+        return()
+      elseif(ARGV0 STREQUAL "IS_WRITABLE")
+        fail("expected path" ARGV1 "to be writable")
+        return()
+      elseif(ARGV0 STREQUAL "IS_EXECUTABLE")
+        fail("expected path" ARGV1 "to be an executable")
+        return()
+      elseif(ARGV0 STREQUAL "IS_DIRECTORY")
+        fail("expected path" ARGV1 "to be a directory")
+        return()
+      elseif(ARGV0 STREQUAL "IS_SYMLINK")
+        fail("expected path" ARGV1 "to be a symbolic link")
+        return()
+      elseif(ARGV0 STREQUAL "IS_ABSOLUTE")
+        fail("expected path" ARGV1 "to be absolute")
+        return()
+      endif()
     endif()
-
-    # Assertion failed, determine the fatal error message based on the given
-    # condition.
-    if(ARGC EQUAL 2)
-      if(NOT ARGV0 STREQUAL NOT)
-        if(ARGV0 STREQUAL "COMMAND")
-          fail("expected command" ARGV1 "to be defined")
-          return()
-        elseif(ARGV0 STREQUAL "POLICY")
-          fail("expected policy" ARGV1 "to exist")
-          return()
-        elseif(ARGV0 STREQUAL "TARGET")
-          fail("expected target" ARGV1 "to exist")
-          return()
-        elseif(ARGV0 STREQUAL "TEST")
-          fail("expected test" ARGV1 "to exist")
-          return()
-        elseif(ARGV0 STREQUAL "DEFINED")
-          fail("expected variable" ARGV1 "to be defined")
-          return()
-        elseif(ARGV0 STREQUAL "EXISTS")
-          fail("expected path" ARGV1 "to exist")
-          return()
-        elseif(ARGV0 STREQUAL "IS_READABLE")
-          fail("expected path" ARGV1 "to be readable")
-          return()
-        elseif(ARGV0 STREQUAL "IS_WRITABLE")
-          fail("expected path" ARGV1 "to be writable")
-          return()
-        elseif(ARGV0 STREQUAL "IS_EXECUTABLE")
-          fail("expected path" ARGV1 "to be an executable")
-          return()
-        elseif(ARGV0 STREQUAL "IS_DIRECTORY")
-          fail("expected path" ARGV1 "to be a directory")
-          return()
-        elseif(ARGV0 STREQUAL "IS_SYMLINK")
-          fail("expected path" ARGV1 "to be a symbolic link")
-          return()
-        elseif(ARGV0 STREQUAL "IS_ABSOLUTE")
-          fail("expected path" ARGV1 "to be absolute")
-          return()
-        endif()
+  elseif(ARGC EQUAL 3)
+    if(ARGV0 STREQUAL NOT)
+      if(ARGV1 STREQUAL "COMMAND")
+        fail("expected command" ARGV2 "not to be defined")
+        return()
+      elseif(ARGV1 STREQUAL "POLICY")
+        fail("expected policy" ARGV2 "not to exist")
+        return()
+      elseif(ARGV1 STREQUAL "TARGET")
+        fail("expected target" ARGV2 "not to exist")
+        return()
+      elseif(ARGV1 STREQUAL "TEST")
+        fail("expected test" ARGV2 "not to exist")
+        return()
+      elseif(ARGV1 STREQUAL "DEFINED")
+        # Unset this to prevent the value from being formatted.
+        unset("${ARGV2}")
+
+        fail("expected variable" ARGV2 "not to be defined")
+        return()
+      elseif(ARGV1 STREQUAL "EXISTS")
+        fail("expected path" ARGV2 "not to exist")
+        return()
+      elseif(ARGV1 STREQUAL "IS_READABLE")
+        fail("expected path" ARGV2 "not to be readable")
+        return()
+      elseif(ARGV1 STREQUAL "IS_WRITABLE")
+        fail("expected path" ARGV2 "not to be writable")
+        return()
+      elseif(ARGV1 STREQUAL "IS_EXECUTABLE")
+        fail("expected path" ARGV2 "not to be an executable")
+        return()
+      elseif(ARGV1 STREQUAL "IS_DIRECTORY")
+        fail("expected path" ARGV2 "not to be a directory")
+        return()
+      elseif(ARGV1 STREQUAL "IS_SYMLINK")
+        fail("expected path" ARGV2 "not to be a symbolic link")
+        return()
+      elseif(ARGV1 STREQUAL "IS_ABSOLUTE")
+        fail("expected path" ARGV2 "not to be absolute")
+        return()
       endif()
-    elseif(ARGC EQUAL 3)
-      if(ARGV0 STREQUAL NOT)
-        if(ARGV1 STREQUAL "COMMAND")
-          fail("expected command" ARGV2 "not to be defined")
-          return()
-        elseif(ARGV1 STREQUAL "POLICY")
-          fail("expected policy" ARGV2 "not to exist")
-          return()
-        elseif(ARGV1 STREQUAL "TARGET")
-          fail("expected target" ARGV2 "not to exist")
-          return()
-        elseif(ARGV1 STREQUAL "TEST")
-          fail("expected test" ARGV2 "not to exist")
-          return()
-        elseif(ARGV1 STREQUAL "DEFINED")
-          # Unset this to prevent the value from being formatted.
-          unset("${ARGV2}")
-
-          fail("expected variable" ARGV2 "not to be defined")
-          return()
-        elseif(ARGV1 STREQUAL "EXISTS")
-          fail("expected path" ARGV2 "not to exist")
-          return()
-        elseif(ARGV1 STREQUAL "IS_READABLE")
-          fail("expected path" ARGV2 "not to be readable")
-          return()
-        elseif(ARGV1 STREQUAL "IS_WRITABLE")
-          fail("expected path" ARGV2 "not to be writable")
-          return()
-        elseif(ARGV1 STREQUAL "IS_EXECUTABLE")
-          fail("expected path" ARGV2 "not to be an executable")
-          return()
-        elseif(ARGV1 STREQUAL "IS_DIRECTORY")
-          fail("expected path" ARGV2 "not to be a directory")
-          return()
-        elseif(ARGV1 STREQUAL "IS_SYMLINK")
-          fail("expected path" ARGV2 "not to be a symbolic link")
-          return()
-        elseif(ARGV1 STREQUAL "IS_ABSOLUTE")
-          fail("expected path" ARGV2 "not to be absolute")
-          return()
-        endif()
-      else()
-        if(ARGV1 STREQUAL "IN_LIST")
-          fail("expected string" ARGV0 "to exist in" ARGV2)
-          return()
-        elseif(ARGV1 STREQUAL "IS_NEWER_THAN")
-          fail("expected file" ARGV0 "to be newer than" ARGV2)
-          return()
-        elseif(ARGV1 STREQUAL "MATCHES")
-          fail("expected string" ARGV0 "to match" ARGV2)
-          return()
-        elseif(ARGV1 STREQUAL "LESS")
-          fail("expected number" ARGV0 "to be less than" ARGV2)
-          return()
-        elseif(ARGV1 STREQUAL "GREATER")
-          fail("expected number" ARGV0 "to be greater than" ARGV2)
-          return()
-        elseif(ARGV1 STREQUAL "EQUAL")
-          fail("expected number" ARGV0 "to be equal to" ARGV2)
-          return()
-        elseif(ARGV1 STREQUAL "LESS_EQUAL")
-          fail("expected number" ARGV0 "to be less than or equal to" ARGV2)
-          return()
-        elseif(ARGV1 STREQUAL "GREATER_EQUAL")
-          fail("expected number" ARGV0 "to be greater than or equal to" ARGV2)
-          return()
-        elseif(ARGV1 STREQUAL "STRLESS")
-          fail("expected string" ARGV0 "to be less than" ARGV2)
-          return()
-        elseif(ARGV1 STREQUAL "STRGREATER")
-          fail("expected string" ARGV0 "to be greater than" ARGV2)
-          return()
-        elseif(ARGV1 STREQUAL "STREQUAL")
-          fail("expected string" ARGV0 "to be equal to" ARGV2)
-          return()
-        elseif(ARGV1 STREQUAL "STRLESS_EQUAL")
-          fail("expected string" ARGV0 "to be less than or equal to" ARGV2)
-          return()
-        elseif(ARGV1 STREQUAL "STRGREATER_EQUAL")
-          fail("expected string" ARGV0 "to be greater than or equal to" ARGV2)
-          return()
-        elseif(ARGV1 STREQUAL "VERSION_LESS")
-          fail("expected version" ARGV0 "to be less than" ARGV2)
-          return()
-        elseif(ARGV1 STREQUAL "VERSION_GREATER")
-          fail("expected version" ARGV0 "to be greater than" ARGV2)
-          return()
-        elseif(ARGV1 STREQUAL "VERSION_EQUAL")
-          fail("expected version" ARGV0 "to be equal to" ARGV2)
-          return()
-        elseif(ARGV1 STREQUAL "VERSION_LESS_EQUAL")
-          fail("expected version" ARGV0 "to be less than or equal to" ARGV2)
-          return()
-        elseif(ARGV1 STREQUAL "VERSION_GREATER_EQUAL")
-          fail("expected version" ARGV0 "to be greater than or equal to" ARGV2)
-          return()
-        elseif(ARGV1 STREQUAL "PATH_EQUAL")
-          fail("expected path" ARGV0 "to be equal to" ARGV2)
-          return()
-        endif()
+    else()
+      if(ARGV1 STREQUAL "IN_LIST")
+        fail("expected string" ARGV0 "to exist in" ARGV2)
+        return()
+      elseif(ARGV1 STREQUAL "IS_NEWER_THAN")
+        fail("expected file" ARGV0 "to be newer than" ARGV2)
+        return()
+      elseif(ARGV1 STREQUAL "MATCHES")
+        fail("expected string" ARGV0 "to match" ARGV2)
+        return()
+      elseif(ARGV1 STREQUAL "LESS")
+        fail("expected number" ARGV0 "to be less than" ARGV2)
+        return()
+      elseif(ARGV1 STREQUAL "GREATER")
+        fail("expected number" ARGV0 "to be greater than" ARGV2)
+        return()
+      elseif(ARGV1 STREQUAL "EQUAL")
+        fail("expected number" ARGV0 "to be equal to" ARGV2)
+        return()
+      elseif(ARGV1 STREQUAL "LESS_EQUAL")
+        fail("expected number" ARGV0 "to be less than or equal to" ARGV2)
+        return()
+      elseif(ARGV1 STREQUAL "GREATER_EQUAL")
+        fail("expected number" ARGV0 "to be greater than or equal to" ARGV2)
+        return()
+      elseif(ARGV1 STREQUAL "STRLESS")
+        fail("expected string" ARGV0 "to be less than" ARGV2)
+        return()
+      elseif(ARGV1 STREQUAL "STRGREATER")
+        fail("expected string" ARGV0 "to be greater than" ARGV2)
+        return()
+      elseif(ARGV1 STREQUAL "STREQUAL")
+        fail("expected string" ARGV0 "to be equal to" ARGV2)
+        return()
+      elseif(ARGV1 STREQUAL "STRLESS_EQUAL")
+        fail("expected string" ARGV0 "to be less than or equal to" ARGV2)
+        return()
+      elseif(ARGV1 STREQUAL "STRGREATER_EQUAL")
+        fail("expected string" ARGV0 "to be greater than or equal to" ARGV2)
+        return()
+      elseif(ARGV1 STREQUAL "VERSION_LESS")
+        fail("expected version" ARGV0 "to be less than" ARGV2)
+        return()
+      elseif(ARGV1 STREQUAL "VERSION_GREATER")
+        fail("expected version" ARGV0 "to be greater than" ARGV2)
+        return()
+      elseif(ARGV1 STREQUAL "VERSION_EQUAL")
+        fail("expected version" ARGV0 "to be equal to" ARGV2)
+        return()
+      elseif(ARGV1 STREQUAL "VERSION_LESS_EQUAL")
+        fail("expected version" ARGV0 "to be less than or equal to" ARGV2)
+        return()
+      elseif(ARGV1 STREQUAL "VERSION_GREATER_EQUAL")
+        fail("expected version" ARGV0 "to be greater than or equal to" ARGV2)
+        return()
+      elseif(ARGV1 STREQUAL "PATH_EQUAL")
+        fail("expected path" ARGV0 "to be equal to" ARGV2)
+        return()
       endif()
-    elseif(ARGC EQUAL 4)
-      if(ARGV0 STREQUAL "NOT")
-        if(ARGV2 STREQUAL "IN_LIST")
-          fail("expected string" ARGV1 "not to exist in" ARGV3)
-          return()
-        elseif(ARGV2 STREQUAL "IS_NEWER_THAN")
-          fail("expected file" ARGV1 "not to be newer than" ARGV3)
-          return()
-        elseif(ARGV2 STREQUAL "MATCHES")
-          fail("expected string" ARGV1 "not to match" ARGV3)
-          return()
-        elseif(ARGV2 STREQUAL "LESS")
-          fail("expected number" ARGV1 "not to be less than" ARGV3)
-          return()
-        elseif(ARGV2 STREQUAL "GREATER")
-          fail("expected number" ARGV1 "not to be greater than" ARGV3)
-          return()
-        elseif(ARGV2 STREQUAL "EQUAL")
-          fail("expected number" ARGV1 "not to be equal to" ARGV3)
-          return()
-        elseif(ARGV2 STREQUAL "LESS_EQUAL")
-          fail("expected number" ARGV1 "not to be less than or equal to" ARGV3)
-          return()
-        elseif(ARGV2 STREQUAL "GREATER_EQUAL")
-          fail("expected number" ARGV1 "not to be greater than or equal to" ARGV3)
-          return()
-        elseif(ARGV2 STREQUAL "STRLESS")
-          fail("expected string" ARGV1 "not to be less than" ARGV3)
-          return()
-        elseif(ARGV2 STREQUAL "STRGREATER")
-          fail("expected string" ARGV1 "not to be greater than" ARGV3)
-          return()
-        elseif(ARGV2 STREQUAL "STREQUAL")
-          fail("expected string" ARGV1 "not to be equal to" ARGV3)
-          return()
-        elseif(ARGV2 STREQUAL "STRLESS_EQUAL")
-          fail("expected string" ARGV1 "not to be less than or equal to" ARGV3)
-          return()
-        elseif(ARGV2 STREQUAL "STRGREATER_EQUAL")
-          fail("expected string" ARGV1 "not to be greater than or equal to" ARGV3)
-          return()
-        elseif(ARGV2 STREQUAL "VERSION_LESS")
-          fail("expected version" ARGV1 "not to be less than" ARGV3)
-          return()
-        elseif(ARGV2 STREQUAL "VERSION_GREATER")
-          fail("expected version" ARGV1 "not to be greater than" ARGV3)
-          return()
-        elseif(ARGV2 STREQUAL "VERSION_EQUAL")
-          fail("expected version" ARGV1 "not to be equal to" ARGV3)
-          return()
-        elseif(ARGV2 STREQUAL "VERSION_LESS_EQUAL")
-          fail("expected version" ARGV1 "not to be less than or equal to" ARGV3)
-          return()
-        elseif(ARGV2 STREQUAL "VERSION_GREATER_EQUAL")
-          fail("expected version" ARGV1 "not to be greater than or equal to" ARGV3)
-          return()
-        elseif(ARGV2 STREQUAL "PATH_EQUAL")
-          fail("expected path" ARGV1 "not to be equal to" ARGV3)
-          return()
-        endif()
+    endif()
+  elseif(ARGC EQUAL 4)
+    if(ARGV0 STREQUAL "NOT")
+      if(ARGV2 STREQUAL "IN_LIST")
+        fail("expected string" ARGV1 "not to exist in" ARGV3)
+        return()
+      elseif(ARGV2 STREQUAL "IS_NEWER_THAN")
+        fail("expected file" ARGV1 "not to be newer than" ARGV3)
+        return()
+      elseif(ARGV2 STREQUAL "MATCHES")
+        fail("expected string" ARGV1 "not to match" ARGV3)
+        return()
+      elseif(ARGV2 STREQUAL "LESS")
+        fail("expected number" ARGV1 "not to be less than" ARGV3)
+        return()
+      elseif(ARGV2 STREQUAL "GREATER")
+        fail("expected number" ARGV1 "not to be greater than" ARGV3)
+        return()
+      elseif(ARGV2 STREQUAL "EQUAL")
+        fail("expected number" ARGV1 "not to be equal to" ARGV3)
+        return()
+      elseif(ARGV2 STREQUAL "LESS_EQUAL")
+        fail("expected number" ARGV1 "not to be less than or equal to" ARGV3)
+        return()
+      elseif(ARGV2 STREQUAL "GREATER_EQUAL")
+        fail("expected number" ARGV1 "not to be greater than or equal to" ARGV3)
+        return()
+      elseif(ARGV2 STREQUAL "STRLESS")
+        fail("expected string" ARGV1 "not to be less than" ARGV3)
+        return()
+      elseif(ARGV2 STREQUAL "STRGREATER")
+        fail("expected string" ARGV1 "not to be greater than" ARGV3)
+        return()
+      elseif(ARGV2 STREQUAL "STREQUAL")
+        fail("expected string" ARGV1 "not to be equal to" ARGV3)
+        return()
+      elseif(ARGV2 STREQUAL "STRLESS_EQUAL")
+        fail("expected string" ARGV1 "not to be less than or equal to" ARGV3)
+        return()
+      elseif(ARGV2 STREQUAL "STRGREATER_EQUAL")
+        fail("expected string" ARGV1 "not to be greater than or equal to" ARGV3)
+        return()
+      elseif(ARGV2 STREQUAL "VERSION_LESS")
+        fail("expected version" ARGV1 "not to be less than" ARGV3)
+        return()
+      elseif(ARGV2 STREQUAL "VERSION_GREATER")
+        fail("expected version" ARGV1 "not to be greater than" ARGV3)
+        return()
+      elseif(ARGV2 STREQUAL "VERSION_EQUAL")
+        fail("expected version" ARGV1 "not to be equal to" ARGV3)
+        return()
+      elseif(ARGV2 STREQUAL "VERSION_LESS_EQUAL")
+        fail("expected version" ARGV1 "not to be less than or equal to" ARGV3)
+        return()
+      elseif(ARGV2 STREQUAL "VERSION_GREATER_EQUAL")
+        fail("expected version" ARGV1 "not to be greater than or equal to" ARGV3)
+        return()
+      elseif(ARGV2 STREQUAL "PATH_EQUAL")
+        fail("expected path" ARGV1 "not to be equal to" ARGV3)
+        return()
       endif()
     endif()
-  endblock()
+  endif()
 
   # Fallback to this message if it could not determine the fatal error message
   # from the given condition.
diff --git a/test/add_cmake_script_test.cmake b/test/add_cmake_script_test.cmake
index 228baa8..ff1819f 100644
--- a/test/add_cmake_script_test.cmake
+++ b/test/add_cmake_script_test.cmake
@@ -1,3 +1,5 @@
+cmake_minimum_required(VERSION 3.24)
+
 include(${CMAKE_CURRENT_LIST_DIR}/../cmake/Assertion.cmake
   RESULT_VARIABLE ASSERTION_LIST_FILE)
 
@@ -6,7 +8,7 @@ file(WRITE project/test.cmake "message(\"all ok\")\n")
 
 section("it should create a new test")
   file(WRITE project/CMakeLists.txt
-    "cmake_minimum_required(VERSION 3.21)\n"
+    "cmake_minimum_required(VERSION 3.24)\n"
     "project(Sample LANGUAGES NONE)\n"
     "\n"
     "include(${ASSERTION_LIST_FILE})\n"
@@ -22,7 +24,7 @@ endsection()
 section("it should create a new test "
   "with the file specified using an absolute path")
   file(WRITE project/CMakeLists.txt
-    "cmake_minimum_required(VERSION 3.21)\n"
+    "cmake_minimum_required(VERSION 3.24)\n"
     "project(Sample LANGUAGES NONE)\n"
     "\n"
     "include(${ASSERTION_LIST_FILE})\n"
@@ -37,7 +39,7 @@ endsection()
 
 section("it should create a new test with the specified name")
   file(WRITE project/CMakeLists.txt
-    "cmake_minimum_required(VERSION 3.21)\n"
+    "cmake_minimum_required(VERSION 3.24)\n"
     "project(Sample LANGUAGES NONE)\n"
     "\n"
     "include(${ASSERTION_LIST_FILE})\n"
@@ -52,7 +54,7 @@ endsection()
 
 section("it should fail to create a new test due to a non-existing file")
   file(WRITE project/CMakeLists.txt
-    "cmake_minimum_required(VERSION 3.21)\n"
+    "cmake_minimum_required(VERSION 3.24)\n"
     "project(Sample LANGUAGES NONE)\n"
     "\n"
     "include(${ASSERTION_LIST_FILE})\n"
diff --git a/test/assert.cmake b/test/assert.cmake
index 1867e05..c5a0117 100644
--- a/test/assert.cmake
+++ b/test/assert.cmake
@@ -1,3 +1,5 @@
+cmake_minimum_required(VERSION 3.24)
+
 include(${CMAKE_CURRENT_LIST_DIR}/../cmake/Assertion.cmake
   RESULT_VARIABLE ASSERTION_LIST_FILE)
 
diff --git a/test/assert_execute_process.cmake b/test/assert_execute_process.cmake
index 074e255..834ea80 100644
--- a/test/assert_execute_process.cmake
+++ b/test/assert_execute_process.cmake
@@ -1,3 +1,5 @@
+cmake_minimum_required(VERSION 3.24)
+
 include(${CMAKE_CURRENT_LIST_DIR}/../cmake/Assertion.cmake)
 
 section("process execution assertions")
diff --git a/test/assert_fatal_error.cmake b/test/assert_fatal_error.cmake
index 4d7b2f4..c2272c7 100644
--- a/test/assert_fatal_error.cmake
+++ b/test/assert_fatal_error.cmake
@@ -1,3 +1,5 @@
+cmake_minimum_required(VERSION 3.24)
+
 include(${CMAKE_CURRENT_LIST_DIR}/../cmake/Assertion.cmake)
 
 section("it should assert a fatal error message")
diff --git a/test/fail.cmake b/test/fail.cmake
index 820f8fb..6bd83c2 100644
--- a/test/fail.cmake
+++ b/test/fail.cmake
@@ -1,3 +1,5 @@
+cmake_minimum_required(VERSION 3.24)
+
 include(${CMAKE_CURRENT_LIST_DIR}/../cmake/Assertion.cmake)
 
 section("given strings")