diff --git a/debian/changelog b/debian/changelog
index 58a34b711..f828b4e6f 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+taler-exchange (0.9.0-24) unstable; urgency=low
+
+  * Service dependencies.
+
+ -- Florian Dold <dold@taler.net>  Wed, 04 Aug 2021 20:17:53 +0200
+
 taler-exchange (0.9.0-23) unstable; urgency=low
 
   * Fix secmod helper permissions.
diff --git a/debian/taler-exchange.taler-exchange-httpd.service b/debian/taler-exchange.taler-exchange-httpd.service
index 51bceb3cd..e29960d85 100644
--- a/debian/taler-exchange.taler-exchange-httpd.service
+++ b/debian/taler-exchange.taler-exchange-httpd.service
@@ -1,7 +1,7 @@
 [Unit]
 Description=GNU Taler payment system exchange REST API
 AssertPathExists=/run/taler/exchange-httpd
-Wants=taler-exchange-wirewatch.service taler-exchange-aggregator.service taler-exchange-transfer.service
+Requires=taler-exchange-httpd.socket taler-exchange-secmod-rsa.service taler-exchange-secmod-eddsa.service
 After=postgres.service network.target
 PartOf=taler-exchange.service