diff --git a/debian/changelog b/debian/changelog
index c2b7b7277..28268f32a 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+taler-exchange (0.9.0-18) unstable; urgency=low
+
+  * Support debhelper-compat 12.
+
+ -- Florian Dold <dold@taler.net>  Sun, 01 Aug 2021 18:42:34 +0200
+
 taler-exchange (0.9.0-17) unstable; urgency=low
 
   * Fix installation of config files.
diff --git a/debian/control b/debian/control
index 152d1e484..e4c9be4f5 100644
--- a/debian/control
+++ b/debian/control
@@ -7,7 +7,7 @@ Build-Depends:
  automake (>=1.11.1),
  autopoint,
  bash,
- debhelper-compat (= 13),
+ debhelper-compat (= 12),
  gettext,
  libgnunet-dev,
  libcurl4-gnutls-dev (>=7.35.0) | libcurl4-openssl-dev (>= 7.35.0),
diff --git a/debian/rules b/debian/rules
index 2ccac24cd..81db14a9d 100755
--- a/debian/rules
+++ b/debian/rules
@@ -45,9 +45,11 @@ override_dh_installsystemd:
 	# final invocation to generate daemon reload
 	dh_installsystemd
 
-# Remove files already present in libtalerexchange from main taler-exchange package
 override_dh_install:
 	dh_install
+# With debhelper-compat=12, we still need to call this manually
+	dh_installtmpfiles
+# Remove files already present in libtalerexchange from main taler-exchange package
 	cd debian/libtalerexchange-dev; find . -type f,l -exec rm -f ../libtalerauditor/{} \;
 	cd debian/libtalerexchange-dev; find . -type f,l -exec rm -f ../taler-exchange/{} \;
 	cd debian/libtalerexchange-dev; find . -type f,l -exec rm -f ../libtalerexchange/{} \;