diff --git a/include/cereal/archives/json.hpp b/include/cereal/archives/json.hpp
index 60fca1961..102f86e8d 100644
--- a/include/cereal/archives/json.hpp
+++ b/include/cereal/archives/json.hpp
@@ -68,6 +68,11 @@ namespace cereal
 #include <vector>
 #include <string>
 
+#if defined(__clang__) || (defined(__GNUC__) && __GNUC__ >= 7)
+CEREAL_RAPIDJSON_DIAG_PUSH
+CEREAL_RAPIDJSON_DIAG_OFF(implicit-fallthrough)
+#endif
+
 namespace cereal
 {
   // ######################################################################
@@ -1009,4 +1014,8 @@ CEREAL_REGISTER_ARCHIVE(cereal::JSONOutputArchive)
 // tie input and output archives together
 CEREAL_SETUP_ARCHIVE_TRAITS(cereal::JSONInputArchive, cereal::JSONOutputArchive)
 
+#if defined(__clang__) || (defined(__GNUC__) && __GNUC__ >= 7)
+CEREAL_RAPIDJSON_DIAG_POP
+#endif
+
 #endif // CEREAL_ARCHIVES_JSON_HPP_
diff --git a/include/cereal/external/rapidjson/internal/regex.h b/include/cereal/external/rapidjson/internal/regex.h
index 3bfa3ec3e..81c51070f 100644
--- a/include/cereal/external/rapidjson/internal/regex.h
+++ b/include/cereal/external/rapidjson/internal/regex.h
@@ -29,6 +29,9 @@ CEREAL_RAPIDJSON_DIAG_OFF(implicit-fallthrough)
 #ifdef __GNUC__
 CEREAL_RAPIDJSON_DIAG_PUSH
 CEREAL_RAPIDJSON_DIAG_OFF(effc++)
+#if __GNUC__ >= 7
+    CEREAL_RAPIDJSON_DIAG_OFF(implicit-fallthrough)
+#endif
 #endif
 
 #ifdef _MSC_VER
@@ -694,6 +697,10 @@ CEREAL_RAPIDJSON_NAMESPACE_END
 CEREAL_RAPIDJSON_DIAG_POP
 #endif
 
+#ifdef __GNUC__
+CEREAL_RAPIDJSON_DIAG_POP
+#endif
+
 #ifdef _MSC_VER
 CEREAL_RAPIDJSON_DIAG_POP
 #endif