diff --git a/.github/workflows/c-cpp.yml b/.github/workflows/c-cpp.yml
index 0a2ca82..b0f1868 100644
--- a/.github/workflows/c-cpp.yml
+++ b/.github/workflows/c-cpp.yml
@@ -337,8 +337,8 @@ jobs:
     strategy:
       matrix:
         config:
-          - {c: "gcc", cxx: "g++", flags: "-ffunction-sections -Wno-error=maybe-uninitialized -Wno-error=attributes -Wno-error=cpp"}
-          - {c: "clang", cxx: "clang++", flags: "-fuse-ld=lld -Wno-unused-command-line-argument -Wno-nan-infinity-disabled -Wno-error=cpp"}
+          - {c: "gcc", cxx: "g++", flags: "-ffunction-sections -Wno-error=maybe-uninitialized -Wno-error=attributes"}
+          - {c: "clang", cxx: "clang++", flags: "-fuse-ld=lld -Wno-unused-command-line-argument -Wno-nan-infinity-disabled"}
 
     defaults:
       run:
diff --git a/cmake/flags.cmake b/cmake/flags.cmake
index e6b57b8..08d901d 100644
--- a/cmake/flags.cmake
+++ b/cmake/flags.cmake
@@ -23,6 +23,10 @@ if (CMAKE_CXX_COMPILER_ID MATCHES GNU)
 		set(WARNING_FLAGS "${WARNING_FLAGS} -Wstrict-overflow=2")
 	endif()
 
+	if (NOT (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 15))
+		set(WARNING_FLAGS "${WARNING_FLAGS} -Wno-error=cpp")
+	endif()
+
 	if (DISABLE_WARNINGS)
 		set(WARNING_FLAGS "-w")
 	endif()
@@ -111,6 +115,10 @@ elseif (CMAKE_CXX_COMPILER_ID MATCHES Clang)
 
 	set(WARNING_FLAGS "-Wall -Wextra -Wno-unused-function -Wno-undefined-internal -Wunreachable-code-aggressive -Wmissing-prototypes -Wmissing-variable-declarations -Werror")
 
+	if (NOT (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 20))
+		set(WARNING_FLAGS "${WARNING_FLAGS} -Wno-error=cpp")
+	endif()
+
 	if (DISABLE_WARNINGS)
 		set(WARNING_FLAGS "-w")
 	endif()