diff -pruN 4.5-1/CHANGELOG 4.6-1/CHANGELOG
--- 4.5-1/CHANGELOG	2025-07-08 08:07:33.000000000 +0000
+++ 4.6-1/CHANGELOG	2025-11-08 17:42:02.000000000 +0000
@@ -1,3 +1,9 @@
+2025-11-07
+        * Version bump (4.6). (#679)
+
+2025-09-07
+        * Version bump (4.5.1). (#666)
+
 2025-07-07
         * Version bump (4.5). (#642)
 
diff -pruN 4.5-1/copilot-libraries.cabal 4.6-1/copilot-libraries.cabal
--- 4.5-1/copilot-libraries.cabal	2025-07-08 08:07:33.000000000 +0000
+++ 4.6-1/copilot-libraries.cabal	2025-11-08 17:42:02.000000000 +0000
@@ -1,6 +1,6 @@
 cabal-version:       >=1.10
 name:                copilot-libraries
-version:             4.5
+version:             4.6
 synopsis:            Libraries for the Copilot language.
 description:
   Libraries for the Copilot language.
@@ -38,10 +38,10 @@ library
 
   build-depends: base             >= 4.9 && < 5
 
-               , containers       >= 0.4 && < 0.8
-               , mtl              >= 2.0 && < 2.4
-               , parsec           >= 2.0 && < 3.2
-               , copilot-language >= 4.5 && < 4.6
+               , containers       >= 0.4   && < 0.8
+               , mtl              >= 2.0   && < 2.4
+               , parsec           >= 2.0   && < 3.2
+               , copilot-language >= 4.6   && < 4.7
 
   exposed-modules:
       Copilot.Library.Libraries
diff -pruN 4.5-1/debian/changelog 4.6-1/debian/changelog
--- 4.5-1/debian/changelog	2025-08-11 23:34:40.000000000 +0000
+++ 4.6-1/debian/changelog	2025-11-11 01:14:57.000000000 +0000
@@ -1,3 +1,10 @@
+haskell-copilot-libraries (4.6-1) unstable; urgency=medium
+
+  * Build using dh-haskell
+  * New upstream release
+
+ -- Scott Talbert <swt@techie.net>  Mon, 10 Nov 2025 20:14:57 -0500
+
 haskell-copilot-libraries (4.5-1) unstable; urgency=medium
 
   * New upstream release
diff -pruN 4.5-1/debian/compat 4.6-1/debian/compat
--- 4.5-1/debian/compat	2025-08-11 23:34:39.000000000 +0000
+++ 4.6-1/debian/compat	1970-01-01 00:00:00.000000000 +0000
@@ -1 +0,0 @@
-10
diff -pruN 4.5-1/debian/control 4.6-1/debian/control
--- 4.5-1/debian/control	2025-08-11 23:34:40.000000000 +0000
+++ 4.6-1/debian/control	2025-11-11 01:14:57.000000000 +0000
@@ -3,13 +3,13 @@ Maintainer: Debian Haskell Group <pkg-ha
 Uploaders: Scott Talbert <swt@techie.net>
 Priority: optional
 Section: haskell
-Build-Depends: debhelper (>= 10),
+Build-Depends: debhelper-compat (= 13),
  haskell-devscripts-minimal | haskell-devscripts (>= 0.13),
- cdbs,
+ dh-sequence-haskell,
  ghc,
  ghc-prof,
- libghc-copilot-language-dev (>= 4.5),
- libghc-copilot-language-dev (<< 4.6),
+ libghc-copilot-language-dev (>= 4.6),
+ libghc-copilot-language-dev (<< 4.7),
  libghc-copilot-language-prof,
  libghc-quickcheck2-dev,
  libghc-quickcheck2-prof,
diff -pruN 4.5-1/debian/rules 4.6-1/debian/rules
--- 4.5-1/debian/rules	2025-08-11 23:34:40.000000000 +0000
+++ 4.6-1/debian/rules	2025-11-11 01:14:57.000000000 +0000
@@ -1,9 +1,6 @@
 #!/usr/bin/make -f
 
-DEB_ENABLE_TESTS = yes
-DEB_SETUP_BIN_NAME = debian/hlibrary.setup
-DEB_CABAL_PACKAGE = copilot-libraries
-DEB_DEFAULT_COMPILER = ghc
+export DEB_ENABLE_TESTS = yes
 
-include /usr/share/cdbs/1/rules/debhelper.mk
-include /usr/share/cdbs/1/class/hlibrary.mk
+%:
+	dh $@