diff --git a/.gitignore b/.gitignore
index e019cfd..ba2e667 100644
--- a/.gitignore
+++ b/.gitignore
@@ -94,3 +94,4 @@
 /gn-f99e015ac35f.tar.gz
 /gn-a2e2717ea670.tar.gz
 /gn-a3dcd7a7ad86.tar.gz
+/gn-8b973aa51d02.tar.gz
diff --git a/7bfa7b8.diff b/7bfa7b8.diff
new file mode 100644
index 0000000..ce25a56
--- /dev/null
+++ b/7bfa7b8.diff
@@ -0,0 +1,46 @@
+From 7bfa7b89879797b92e119e0ff18ed89eea0937f7 Mon Sep 17 00:00:00 2001
+From: Reito <carolwolfking@gmail.com>
+Date: Fri, 16 Feb 2024 02:13:23 +0800
+Subject: [PATCH] Fix MakeRelativePath regression
+
+Change-Id: Idfb52ffcbc38943ca5c8d231fae2fd0c50f20fd3
+---
+
+diff --git a/src/gn/filesystem_utils.cc b/src/gn/filesystem_utils.cc
+index d747289..8cd6b26 100644
+--- a/src/gn/filesystem_utils.cc
++++ b/src/gn/filesystem_utils.cc
+@@ -684,15 +684,12 @@
+ }
+ #endif
+ 
+-std::string MakeRelativePath(std::string_view input,
+-                             std::string_view dest) {
++std::string MakeRelativePath(const std::string& input_raw,
++                             const std::string& dest_raw) {
+ #if defined(OS_WIN)
+   // Regulate the paths.
+-  std::string input_regulated = RegulatePathIfAbsolute(input);
+-  std::string dest_regulated = RegulatePathIfAbsolute(dest);
+-
+-  input = input_regulated;
+-  dest = dest_regulated;
++  const std::string input = RegulatePathIfAbsolute(input_raw);
++  const std::string dest = RegulatePathIfAbsolute(dest_raw);
+ 
+   // On Windows, it is invalid to make a relative path across different
+   // drive letters. A relative path cannot span over different drives.
+@@ -708,9 +705,12 @@
+     if (input[0] != dest[0]) {
+       // If the drive letters are differnet, we have no choice but use
+       // the absolute path of input for correctness.
+-      return input_regulated;
++      return input;
+     }
+   }
++#else
++  const std::string& input = input_raw;
++  const std::string& dest = dest_raw;
+ #endif
+ 
+   DCHECK(EndsWithSlash(dest));
diff --git a/gn.spec b/gn.spec
index 77b9f15..c700aef 100644
--- a/gn.spec
+++ b/gn.spec
@@ -24,10 +24,10 @@ Name:           gn
 #  7. Commit the changes
 #
 # See https://gn.googlesource.com/gn/+log for the latest changes.
-%global commit a3dcd7a7ad861a9c1b9930a654f2feaeb03b4c0c
-%global access 20240214
+%global commit 8b973aa51d02aa1ab327100007d4070c24b862b0
+%global access 20240215
 %global shortcommit %(c='%{commit}'; echo "${c:0:12}")
-%global position 2144
+%global position 2145
 Version:        %{position}^%{access}git%{shortcommit}
 Release:        %autorelease
 Summary:        Meta-build system that generates build files for Ninja
@@ -52,6 +52,10 @@ Source2:        update-version
 # intentional on their part
 Patch:          gn-0153d369-no-O3.patch
 
+# Fix MakeRelativePath regression
+# https://gn-review.googlesource.com/c/gn/+/16700
+Patch:          7bfa7b8.diff
+
 # https://fedoraproject.org/wiki/Changes/EncourageI686LeafRemoval
 ExcludeArch:    %{ix86}
 
diff --git a/last_commit_position.h b/last_commit_position.h
index b248390..a256de4 100644
--- a/last_commit_position.h
+++ b/last_commit_position.h
@@ -3,7 +3,7 @@
 #ifndef OUT_LAST_COMMIT_POSITION_H_
 #define OUT_LAST_COMMIT_POSITION_H_
 
-#define LAST_COMMIT_POSITION_NUM 2144
-#define LAST_COMMIT_POSITION "2144 (a3dcd7a7ad86)"
+#define LAST_COMMIT_POSITION_NUM 2145
+#define LAST_COMMIT_POSITION "2145 (8b973aa51d02)"
 
 #endif  // OUT_LAST_COMMIT_POSITION_H_
diff --git a/sources b/sources
index 207276d..a9a6947 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (gn-a3dcd7a7ad86.tar.gz) = 3e0d60120a5c2bdd982f30fd0d8af91c666a5756aff0f7cdb7f144bc661daf1733bfda470a06058f40878009a37eb78bbef880f12f7ce4d56554ec6e3fe66306
+SHA512 (gn-8b973aa51d02.tar.gz) = 6c28acd683cd3fafadbbe8a374550a71e022a858d9686d8d806bf74b7539c47f7b891f695d0352d7633047a4463b47dd7f245d5c0ed7724a08d6b443423aa8b0