diff --git a/redfish-core/src/error_messages.cpp b/redfish-core/src/error_messages.cpp
index 3c628b6..6c4282c 100644
--- a/redfish-core/src/error_messages.cpp
+++ b/redfish-core/src/error_messages.cpp
@@ -22,13 +22,16 @@
 
 #include <boost/beast/http/field.hpp>
 #include <boost/beast/http/status.hpp>
+#include <boost/url/url_view.hpp>
 #include <nlohmann/json.hpp>
 
 #include <array>
 #include <cstddef>
+#include <cstdint>
 #include <source_location>
 #include <span>
 #include <string>
+#include <string_view>
 #include <utility>
 
 // IWYU pragma: no_include <stddef.h>
diff --git a/redfish-core/src/registries.cpp b/redfish-core/src/registries.cpp
index c727d1c..8c8b36a 100644
--- a/redfish-core/src/registries.cpp
+++ b/redfish-core/src/registries.cpp
@@ -4,8 +4,12 @@
 #include "registries/openbmc_message_registry.hpp"
 #include "str_utility.hpp"
 
+#include <algorithm>
+#include <cstring>
 #include <ranges>
+#include <span>
 #include <string>
+#include <string_view>
 #include <vector>
 
 namespace redfish::registries
diff --git a/redfish-core/src/utils/json_utils.cpp b/redfish-core/src/utils/json_utils.cpp
index 5e44199..8d12bad 100644
--- a/redfish-core/src/utils/json_utils.cpp
+++ b/redfish-core/src/utils/json_utils.cpp
@@ -22,6 +22,9 @@
 
 #include <nlohmann/json.hpp>
 
+#include <cstdint>
+#include <string>
+
 namespace redfish
 {
 
diff --git a/redfish-core/src/utils/time_utils.cpp b/redfish-core/src/utils/time_utils.cpp
index 3aa3e79..fa49657 100644
--- a/redfish-core/src/utils/time_utils.cpp
+++ b/redfish-core/src/utils/time_utils.cpp
@@ -8,7 +8,6 @@
 #include <sstream>
 #include <string>
 #include <string_view>
-#include <version>
 
 namespace redfish::time_utils
 {