diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2b86f920..aee89ef3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+Version 0.6.1
+-------------
+
+**Fixes**
+
+- Allow `passTypeId` relationship for [Certificate](https://developer.apple.com/documentation/appstoreconnectapi/certificate) model.
+
 Version 0.6.0
 -------------
 
diff --git a/src/codemagic/__version__.py b/src/codemagic/__version__.py
index 34676327..252e5781 100644
--- a/src/codemagic/__version__.py
+++ b/src/codemagic/__version__.py
@@ -1,5 +1,5 @@
 __title__ = 'codemagic-cli-tools'
 __description__ = 'CLI tools used in Codemagic builds'
-__version__ = '0.6.0'
+__version__ = '0.6.1'
 __url__ = 'https://github.com/codemagic-ci-cd/cli-tools'
 __licence__ = 'GNU General Public License v3.0'
diff --git a/src/codemagic/apple/resources/signing_certificate.py b/src/codemagic/apple/resources/signing_certificate.py
index 4739f426..a4eb4862 100644
--- a/src/codemagic/apple/resources/signing_certificate.py
+++ b/src/codemagic/apple/resources/signing_certificate.py
@@ -10,6 +10,7 @@
 
 from .bundle_id import BundleIdPlatform
 from .enums import CertificateType
+from .resource import Relationship
 from .resource import Resource
 
 
@@ -37,6 +38,12 @@ def __post_init__(self):
             if isinstance(self.certificateType, str):
                 self.certificateType = CertificateType(self.certificateType)
 
+    @dataclass
+    class Relationships(Resource.Relationships):
+        _OMIT_IF_NONE_KEYS = ('passTypeId',)
+
+        passTypeId: Optional[Relationship]
+
     def get_display_info(self) -> str:
         return f'{self.attributes.certificateType} certificate {self.attributes.serialNumber}'