diff --git a/src/async.cpp b/src/async.cpp
index f9557a84..106bd71f 100644
--- a/src/async.cpp
+++ b/src/async.cpp
@@ -5,8 +5,9 @@
 #error Please define SPDLOG_COMPILED_LIB to compile this file.
 #endif
 
-#include "spdlog/async.h"
-#include "spdlog/async_logger-inl.h"
-#include "spdlog/details/periodic_worker-inl.h"
-#include "spdlog/details/thread_pool-inl.h"
+#include <spdlog/async.h>
+#include <spdlog/async_logger-inl.h>
+#include <spdlog/details/periodic_worker-inl.h>
+#include <spdlog/details/thread_pool-inl.h>
+
 template class spdlog::details::mpmc_blocking_queue<spdlog::details::async_msg>;
\ No newline at end of file
diff --git a/src/cfg.cpp b/src/cfg.cpp
index ff2224e5..d3fe47f3 100644
--- a/src/cfg.cpp
+++ b/src/cfg.cpp
@@ -5,4 +5,4 @@
 #error Please define SPDLOG_COMPILED_LIB to compile this file.
 #endif
 
-#include "spdlog/cfg/helpers-inl.h"
\ No newline at end of file
+#include <spdlog/cfg/helpers-inl.h>
\ No newline at end of file
diff --git a/src/color_sinks.cpp b/src/color_sinks.cpp
index 3a335a77..351b6bc7 100644
--- a/src/color_sinks.cpp
+++ b/src/color_sinks.cpp
@@ -7,13 +7,13 @@
 
 #include <mutex>
 
-#include "spdlog/details/null_mutex.h"
-#include "spdlog/async.h"
+#include <spdlog/details/null_mutex.h>
+#include <spdlog/async.h>
 //
 // color sinks
 //
 #ifdef _WIN32
-#include "spdlog/sinks/wincolor_sink-inl.h"
+#include <spdlog/sinks/wincolor_sink-inl.h>
 template class spdlog::sinks::wincolor_sink<spdlog::details::console_mutex>;
 template class spdlog::sinks::wincolor_sink<spdlog::details::console_nullmutex>;
 template class spdlog::sinks::wincolor_stdout_sink<spdlog::details::console_mutex>;
diff --git a/src/file_sinks.cpp b/src/file_sinks.cpp
index bc23f8d5..e17e2296 100644
--- a/src/file_sinks.cpp
+++ b/src/file_sinks.cpp
@@ -5,14 +5,15 @@
 #error Please define SPDLOG_COMPILED_LIB to compile this file.
 #endif
 
+#include <spdlog/details/null_mutex.h>
+#include <spdlog/details/file_helper-inl.h>
+#include <spdlog/sinks/basic_file_sink-inl.h>
+
 #include <mutex>
-#include "spdlog/details/null_mutex.h"
-#include "spdlog/details/file_helper-inl.h"
-#include "spdlog/sinks/basic_file_sink-inl.h"
 
 template class spdlog::sinks::basic_file_sink<std::mutex>;
 template class spdlog::sinks::basic_file_sink<spdlog::details::null_mutex>;
 
-#include "spdlog/sinks/rotating_file_sink-inl.h"
+#include <spdlog/sinks/rotating_file_sink-inl.h>
 template class spdlog::sinks::rotating_file_sink<std::mutex>;
 template class spdlog::sinks::rotating_file_sink<spdlog::details::null_mutex>;
\ No newline at end of file
diff --git a/src/fmt.cpp b/src/fmt.cpp
index 4ab7f206..c196ab1b 100644
--- a/src/fmt.cpp
+++ b/src/fmt.cpp
@@ -7,7 +7,7 @@
 // All rights reserved.
 
 #if !defined(SPDLOG_FMT_EXTERNAL)
-#include "spdlog/fmt/bundled/format-inl.h"
+#include <spdlog/fmt/bundled/format-inl.h>
 
 FMT_BEGIN_NAMESPACE
 namespace internal {
diff --git a/src/spdlog.cpp b/src/spdlog.cpp
index ec183c95..3c940a04 100644
--- a/src/spdlog.cpp
+++ b/src/spdlog.cpp
@@ -5,18 +5,18 @@
 #error Please define SPDLOG_COMPILED_LIB to compile this file.
 #endif
 
-#include "spdlog/spdlog-inl.h"
-#include "spdlog/common-inl.h"
-#include "spdlog/details/backtracer-inl.h"
-#include "spdlog/details/registry-inl.h"
-#include "spdlog/details/os-inl.h"
-#include "spdlog/details/pattern_formatter-inl.h"
-#include "spdlog/details/log_msg-inl.h"
-#include "spdlog/details/log_msg_buffer-inl.h"
-#include "spdlog/logger-inl.h"
-#include "spdlog/sinks/sink-inl.h"
-#include "spdlog/sinks/base_sink-inl.h"
-#include "spdlog/details/null_mutex.h"
+#include <spdlog/spdlog-inl.h>
+#include <spdlog/common-inl.h>
+#include <spdlog/details/backtracer-inl.h>
+#include <spdlog/details/registry-inl.h>
+#include <spdlog/details/os-inl.h>
+#include <spdlog/details/pattern_formatter-inl.h>
+#include <spdlog/details/log_msg-inl.h>
+#include <spdlog/details/log_msg_buffer-inl.h>
+#include <spdlog/logger-inl.h>
+#include <spdlog/sinks/sink-inl.h>
+#include <spdlog/sinks/base_sink-inl.h>
+#include <spdlog/details/null_mutex.h>
 
 #include <mutex>
 
diff --git a/src/stdout_sinks.cpp b/src/stdout_sinks.cpp
index 36d6699e..493d3dec 100644
--- a/src/stdout_sinks.cpp
+++ b/src/stdout_sinks.cpp
@@ -7,9 +7,9 @@
 
 #include <mutex>
 
-#include "spdlog/details/null_mutex.h"
-#include "spdlog/async.h"
-#include "spdlog/sinks/stdout_sinks-inl.h"
+#include <spdlog/details/null_mutex.h>
+#include <spdlog/async.h>
+#include <spdlog/sinks/stdout_sinks-inl.h>
 
 template class spdlog::sinks::stdout_sink_base<spdlog::details::console_mutex>;
 template class spdlog::sinks::stdout_sink_base<spdlog::details::console_nullmutex>;