diff --git a/CHANGELOG.md b/CHANGELOG.md
index a625947..d48a5ff 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,18 @@
 # EasyWKS Changelog
 
+<!-- BEGIN RELEASE v0.1.10 -->
+## Version 0.1.10
+
+Bugfix release
+
+### Changes
+
+<!-- BEGIN CHANGES 0.1.10 -->
+- RFC 3156 compliance: Don't base64-encode PGP/MIME messages
+<!-- END CHANGES 0.1.10 -->
+
+<!-- END RELEASE v0.1.10 -->
+
 <!-- BEGIN RELEASE v0.1.9 -->
 ## Version 0.1.9
 
diff --git a/easywks/types.py b/easywks/types.py
index d9d5001..7207f28 100644
--- a/easywks/types.py
+++ b/easywks/types.py
@@ -1,5 +1,6 @@
 
 from datetime import datetime
+from email.encoders import encode_noop
 from email.policy import default
 from email.utils import format_datetime
 from email.mime.multipart import MIMEMultipart
@@ -185,8 +186,8 @@ class PublishResponse:
         to_encrypt = PGPMessage.new(mpplain.as_string(policy=default))
         encrypted: PGPMessage = self.key.encrypt(to_encrypt)
         encrypted |= pgp_sign(self.domain, encrypted)
-        payload = MIMEApplication(str(encrypted), _subtype='octet-stream')
-        mpenc = MIMEApplication('Version: 1\r\n', _subtype='pgp-encrypted')
+        payload = MIMEApplication(str(encrypted), _subtype='octet-stream', _encoder=encode_noop)
+        mpenc = MIMEApplication('Version: 1\r\n', _subtype='pgp-encrypted', _encoder=encode_noop)
         email = MIMEMultipart(_subtype='encrypted', _subparts=[mpenc, payload], policy=default,
                               protocol='application/pgp-encrypted')
         email['Subject'] = 'Your key has been published'