diff --git a/debian/control b/debian/control
index 3e72f42b..e5af866e 100644
--- a/debian/control
+++ b/debian/control
@@ -347,6 +347,8 @@ Section: libs
 Depends: ${shlibs:Depends}, ${misc:Depends}
 Pre-Depends: ${misc:Pre-Depends}
 Multi-Arch: same
+Breaks: llvm-18-dev (<< 1:18.1.8-4)
+Replaces: llvm-18-dev (<< 1:18.1.8-4)
 Description: Modular compiler and toolchain technologies, runtime library
  LLVM is a collection of libraries and tools that make it easy to build
  compilers, optimizers, just-in-time code generators, and many other