diff --git a/debian/patches/declare_clear_cache.diff b/debian/patches/declare_clear_cache.diff
index 2fa2c634..2869ad60 100644
--- a/debian/patches/declare_clear_cache.diff
+++ b/debian/patches/declare_clear_cache.diff
@@ -2,16 +2,16 @@
  lib/Support/Unix/Memory.inc |    2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)
 
-Index: llvm-toolchain-snapshot_14~++20211114120952+5b4bfd8c2415/llvm/lib/Support/Unix/Memory.inc
+Index: llvm-toolchain-snapshot_16~++20221126040739+502c246519ec/llvm/lib/Support/Unix/Memory.inc
 ===================================================================
---- llvm-toolchain-snapshot_14~++20211114120952+5b4bfd8c2415.orig/llvm/lib/Support/Unix/Memory.inc
-+++ llvm-toolchain-snapshot_14~++20211114120952+5b4bfd8c2415/llvm/lib/Support/Unix/Memory.inc
-@@ -245,7 +245,7 @@ void Memory::InvalidateInstructionCache(
+--- llvm-toolchain-snapshot_16~++20221126040739+502c246519ec.orig/llvm/lib/Support/Unix/Memory.inc
++++ llvm-toolchain-snapshot_16~++20221126040739+502c246519ec/llvm/lib/Support/Unix/Memory.inc
+@@ -242,7 +242,7 @@ void Memory::InvalidateInstructionCache(
    // FIXME: Can we safely always call this for __GNUC__ everywhere?
    const char *Start = static_cast<const char *>(Addr);
    const char *End = Start + Len;
 -  __clear_cache(const_cast<char *>(Start), const_cast<char *>(End));
 +  __builtin___clear_cache(const_cast<char *>(Start), const_cast<char *>(End));
- #  endif
+ #endif
  
- #endif  // end apple
+ #endif // end apple