diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2e4b78e..c7d1fd9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -42,10 +42,6 @@ include_directories(${LIBLZMA_INCLUDE_DIRS})
 find_package(ZLIB)
 include_directories(${ZLIB_INCLUDE_DIRS})
 
-set(CMAKE_CXX_STANDARD 14)
-set(CMAKE_CXX_STANDARD_REQUIRED ON)
-set(CMAKE_CXX_EXTENSIONS OFF)
-
 include_directories(${PROJECT_SOURCE_DIR})
 
 if (MSVC)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 321874c..7b2c7f3 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -24,6 +24,7 @@ target_link_libraries(protobuf-mutator
 set_target_properties(protobuf-mutator PROPERTIES
                       COMPILE_FLAGS "${NO_FUZZING_FLAGS}"
                       SOVERSION 0)
+target_compile_features(protobuf-mutator PRIVATE cxx_std_14)
 
 if (LIB_PROTO_MUTATOR_TESTING)
   protobuf_generate_cpp(PROTO_SRCS PROTO_HDRS
diff --git a/src/libfuzzer/CMakeLists.txt b/src/libfuzzer/CMakeLists.txt
index 7100ef1..14daf22 100644
--- a/src/libfuzzer/CMakeLists.txt
+++ b/src/libfuzzer/CMakeLists.txt
@@ -21,6 +21,7 @@ target_link_libraries(protobuf-mutator-libfuzzer
 set_target_properties(protobuf-mutator-libfuzzer PROPERTIES
                       COMPILE_FLAGS "${NO_FUZZING_FLAGS}"
                       SOVERSION 0)
+target_compile_features(protobuf-mutator-libfuzzer PRIVATE cxx_std_14)
 
 install(TARGETS protobuf-mutator-libfuzzer
         EXPORT libprotobuf-mutatorTargets