diff --git a/debian/patches/hurd/hurd-pathmax.diff b/debian/patches/hurd/hurd-pathmax.diff
index c8939dd8..fcf3bde4 100644
--- a/debian/patches/hurd/hurd-pathmax.diff
+++ b/debian/patches/hurd/hurd-pathmax.diff
@@ -1,8 +1,8 @@
-Index: llvm-toolchain-snapshot_17~++20230309125305+68367141dd91/clang/lib/Basic/FileManager.cpp
+Index: llvm-toolchain-snapshot_18~++20230928085653+a7f962c00745/clang/lib/Basic/FileManager.cpp
 ===================================================================
---- llvm-toolchain-snapshot_17~++20230309125305+68367141dd91.orig/clang/lib/Basic/FileManager.cpp
-+++ llvm-toolchain-snapshot_17~++20230309125305+68367141dd91/clang/lib/Basic/FileManager.cpp
-@@ -610,6 +610,12 @@ FileManager::getNoncachedStatValue(Strin
+--- llvm-toolchain-snapshot_18~++20230928085653+a7f962c00745.orig/clang/lib/Basic/FileManager.cpp
++++ llvm-toolchain-snapshot_18~++20230928085653+a7f962c00745/clang/lib/Basic/FileManager.cpp
+@@ -611,6 +611,12 @@ FileManager::getNoncachedStatValue(Strin
    return std::error_code();
  }
  
@@ -13,12 +13,12 @@ Index: llvm-toolchain-snapshot_17~++20230309125305+68367141dd91/clang/lib/Basic/
 +
 +
  void FileManager::GetUniqueIDMapping(
-     SmallVectorImpl<const FileEntry *> &UIDToFiles) const {
+     SmallVectorImpl<OptionalFileEntryRef> &UIDToFiles) const {
    UIDToFiles.clear();
-Index: llvm-toolchain-snapshot_17~++20230309125305+68367141dd91/lldb/include/lldb/lldb-defines.h
+Index: llvm-toolchain-snapshot_18~++20230928085653+a7f962c00745/lldb/include/lldb/lldb-defines.h
 ===================================================================
---- llvm-toolchain-snapshot_17~++20230309125305+68367141dd91.orig/lldb/include/lldb/lldb-defines.h
-+++ llvm-toolchain-snapshot_17~++20230309125305+68367141dd91/lldb/include/lldb/lldb-defines.h
+--- llvm-toolchain-snapshot_18~++20230928085653+a7f962c00745.orig/lldb/include/lldb/lldb-defines.h
++++ llvm-toolchain-snapshot_18~++20230928085653+a7f962c00745/lldb/include/lldb/lldb-defines.h
 @@ -15,6 +15,11 @@
  #define INT32_MAX 2147483647
  #endif