diff --git a/debian/changelog b/debian/changelog
index 1badae94..9360664a 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,10 +1,14 @@
-llvm-toolchain-18 (1:18.1.8-9) UNRELEASED; urgency=medium
+llvm-toolchain-18 (1:18.1.8-9) unstable; urgency=medium
 
   [ Gianfranco Costamagna ]
   * Mention in changelog also the SVE fixes from llvm-17
   * Drop mips D154390 patch, already upstream
 
- -- Gianfranco Costamagna <locutusofborg@debian.org>  Thu, 01 Aug 2024 12:15:23 +0200
+
+  [ Sylvestre Ledru ]
+  * Really fix breaks/replaces (Closes: #1077587)
+
+ -- Sylvestre Ledru <sylvestre@debian.org>  Sat, 03 Aug 2024 20:07:17 +0200
 
 llvm-toolchain-18 (1:18.1.8-8) unstable; urgency=medium
 
diff --git a/debian/control.in b/debian/control.in
index 901b7daa..7432ec67 100644
--- a/debian/control.in
+++ b/debian/control.in
@@ -422,6 +422,8 @@ Depends: ${shlibs:Depends}, libffi-dev, ${misc:Depends},
  llvm-@LLVM_VERSION@ (= ${binary:Version}), libllvm@LLVM_VERSION@ (= ${binary:Version}), libncurses-dev,
  llvm-@LLVM_VERSION@-tools (= ${binary:Version}), libclang-cpp@LLVM_VERSION@ (= ${binary:Version}),
  libz3-dev, libxml2-dev
+Breaks: libllvm@LLVM_VERSION@ (<< 1:18.1.8-9)
+Replaces: libllvm@LLVM_VERSION@ (<< 1:18.1.8-9)
 Description: Modular compiler and toolchain technologies, libraries and headers
  LLVM is a collection of libraries and tools that make it easy to build
  compilers, optimizers, just-in-time code generators, and many other
diff --git a/debian/rules b/debian/rules
index 5e6d72fa..e112d4ad 100755
--- a/debian/rules
+++ b/debian/rules
@@ -683,7 +683,8 @@ stamps/preconfigure:
 	# Yeah, this is ugly but I don't know how to do better
 	if test "$(LLVM_VERSION)" = "18"; then \
 		if echo $(LLVM_VERSION_SNAPSHOT)| grep -q "~++"; then \
-		sed -i -e "s| (<< 1:18.1.8-8)|(<< 1:18.1.8~++20240730104741)|g" debian/control; \
+		sed -i -e "s| (<< 1:18.1.8-9)|(<< 1:18.1.8~++20240830304741)|g" debian/control; \
+		sed -i -e "s| (<< 1:18.1.8-9)|(<< 1:18.1.8~++20240830304741)|g" debian/control; \
 		fi; \
 	fi