diff --git a/cpr/error.cpp b/cpr/error.cpp
index f085051fb..c62b0c8be 100644
--- a/cpr/error.cpp
+++ b/cpr/error.cpp
@@ -1,6 +1,7 @@
 #include "cpr/error.h"
-
+#include <cstdint>
 #include <curl/curl.h>
+#include <curl/curlver.h>
 
 namespace cpr {
 ErrorCode Error::getErrorCodeForCurlError(std::int32_t curl_code) {
diff --git a/cpr/file.cpp b/cpr/file.cpp
index 2674c332c..0690198bb 100644
--- a/cpr/file.cpp
+++ b/cpr/file.cpp
@@ -1,5 +1,7 @@
 #include "cpr/file.h"
 #include <initializer_list>
+#include <string>
+#include <utility>
 
 namespace cpr {
 
diff --git a/cpr/parameters.cpp b/cpr/parameters.cpp
index ed62d2bae..51cdd1830 100644
--- a/cpr/parameters.cpp
+++ b/cpr/parameters.cpp
@@ -1,4 +1,4 @@
+// NOLINTNEXTLINE(misc-include-cleaner) Ignored since it's for the future
 #include "cpr/parameters.h"
 
-namespace cpr {
-} // namespace cpr
+namespace cpr {} // namespace cpr