diff --git a/debian/changelog b/debian/changelog
index 9d3e15b..e3d0276 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -5,6 +5,7 @@ libfm-qt (1.2.0-0ubuntu1) UNRELEASED; urgency=medium
   * Lubuntuify the package slightly, to make debhelper happy.
   * Remove reverse-applicable upstream patches.
   * Bump build dependencies to the latest upstream LXQt versions.
+  * Rename libfm-qt11 -> libfm-qt12 and add necessary Breaks/Replaces.
 
  -- Simon Quigley <tsimonq2@ubuntu.com>  Wed, 16 Nov 2022 18:39:37 -0600
 
diff --git a/debian/control b/debian/control
index d6b4b1e..d404c53 100644
--- a/debian/control
+++ b/debian/control
@@ -26,9 +26,9 @@ XS-Debian-Vcs-Git: https://salsa.debian.org/lxqt-team/libfm-qt.git
 Homepage: https://github.com/lxqt/libfm-qt
 Rules-Requires-Root: no
 
-Package: libfm-qt11
-Replaces: libfm-qt9
-Breaks: libfm-qt9
+Package: libfm-qt12
+Replaces: libfm-qt9, libfm-qt11
+Breaks: libfm-qt9, libfm-qt11
 Architecture: any
 Multi-Arch: same
 Section: libs
@@ -63,7 +63,7 @@ Architecture: any
 Section: libdevel
 Depends: ${misc:Depends},
          libexif-dev,
-         libfm-qt11 (= ${binary:Version}),
+         libfm-qt12 (= ${binary:Version}),
          libmenu-cache-dev
 Description: file management support library for pcmanfm-qt (development files)
  Libfm-Qt is a companion library providing components to build desktop file
diff --git a/debian/libfm-qt11.shlibs b/debian/libfm-qt11.shlibs
deleted file mode 100644
index 1c58cda..0000000
--- a/debian/libfm-qt11.shlibs
+++ /dev/null
@@ -1,2 +0,0 @@
-libfm-qt 11 libfm-qt11 (>= 1.1.0)
-
diff --git a/debian/libfm-qt11.install b/debian/libfm-qt12.install
similarity index 100%
rename from debian/libfm-qt11.install
rename to debian/libfm-qt12.install
diff --git a/debian/libfm-qt12.shlibs b/debian/libfm-qt12.shlibs
new file mode 100644
index 0000000..f554b9e
--- /dev/null
+++ b/debian/libfm-qt12.shlibs
@@ -0,0 +1,2 @@
+libfm-qt 12 libfm-qt12 (>= 1.2.0)
+
diff --git a/debian/libfm-qt11.symbols b/debian/libfm-qt12.symbols
similarity index 99%
rename from debian/libfm-qt11.symbols
rename to debian/libfm-qt12.symbols
index b7987b8..b747e3b 100644
--- a/debian/libfm-qt11.symbols
+++ b/debian/libfm-qt12.symbols
@@ -1,5 +1,5 @@
 # SymbolsHelper-Confirmed: 1.1.0 amd64 i386 riscv64
-libfm-qt.so.11 libfm-qt11 #MINVER#
+libfm-qt.so.12 libfm-qt12 #MINVER#
 * Build-Depends-Package: libfm-qt-dev
  _ZN2Fm10DirListJob10filesFoundERNS_12FileInfoListE@Base 0.16.0
  _ZN2Fm10DirListJob11qt_metacallEN11QMetaObject4CallEiPPv@Base 0.16.0