diff --git a/dovecot/dovecot.sls b/dovecot/dovecot.sls
index 16035c70f5e66f563f64ec2ec99c5e5d948be34b..2c54d7cff8eb8d0349410e1670f5a97740e42b57 100644
--- a/dovecot/dovecot.sls
+++ b/dovecot/dovecot.sls
@@ -1,11 +1,8 @@
-{% if grains['osfinger'] == "Debian-9" %}
-include:
-  - apt.transport.https
-
+{% if grains['osfinger'] == "Debian-10" %}
 dovecot-repo:
   pkgrepo.managed:
     - humanname: dovecot
-    - name: deb https://repo.dovecot.org/ce-2.3-latest/debian/stretch stretch main
+    - name: deb https://repo.dovecot.org/ce-2.3-latest/debian/buster buster main
     - key_url: https://repo.dovecot.org/DOVECOT-REPO-GPG
     - file: /etc/apt/sources.list.d/dovecot.list
     - clean_file: true
diff --git a/dovecot/init.sls b/dovecot/init.sls
index 23533b871e65b3f930c718079cabf70f20e23392..b21d9f237dce7985e0cd7c90e81f569ead4cee91 100644
--- a/dovecot/init.sls
+++ b/dovecot/init.sls
@@ -1,4 +1,4 @@
-{% if grains['osfinger'] == "Debian-9" %}
+{% if grains['osfinger'] == "Debian-10" %}
 {%- if 'dovecot' in salt['pillar.get']('roles', []) %}
 include:
   - .dovecot