diff --git a/src/content/1.credentials/AlpsTourReservation.md b/src/content/1.credentials/AlpsTourReservation.md
index cc0c897..acb5540 100644
--- a/src/content/1.credentials/AlpsTourReservation.md
+++ b/src/content/1.credentials/AlpsTourReservation.md
@@ -40,6 +40,7 @@
     "credentialSubject": {
         "id": "<subjectDid>"
     },
-    "issuanceDate": "<timestamp>"
+    "issuanceDate": "<timestamp>",
+    "expirationDate": "<timestamp-in:365d>"
 }
 ```
\ No newline at end of file
diff --git a/src/content/1.credentials/Iso18013DriversLicenseCredential.md b/src/content/1.credentials/Iso18013DriversLicenseCredential.md
index 8a28db9..67a7970 100644
--- a/src/content/1.credentials/Iso18013DriversLicenseCredential.md
+++ b/src/content/1.credentials/Iso18013DriversLicenseCredential.md
@@ -73,6 +73,7 @@ This specification describes an experimental vocabulary for expressing a Verifia
     "credentialSubject": {
         "id": "<subjectDid>"
     },
-    "issuanceDate": "<timestamp>"
+    "issuanceDate": "<timestamp>",
+    "expirationDate": "<timestamp-in:365d>"
 }
 ```
\ No newline at end of file
diff --git a/src/content/1.credentials/MortgageEligibility.md b/src/content/1.credentials/MortgageEligibility.md
index de61052..9e82bd9 100644
--- a/src/content/1.credentials/MortgageEligibility.md
+++ b/src/content/1.credentials/MortgageEligibility.md
@@ -40,6 +40,7 @@
     "credentialSubject": {
         "id": "<subjectDid>"
     },
-    "issuanceDate": "<timestamp>"
+    "issuanceDate": "<timestamp>",
+    "expirationDate": "<timestamp-in:365d>"
 }
 ```
\ No newline at end of file
diff --git a/src/content/1.credentials/PassportCh.md b/src/content/1.credentials/PassportCh.md
index c31d664..3a1ecab 100644
--- a/src/content/1.credentials/PassportCh.md
+++ b/src/content/1.credentials/PassportCh.md
@@ -65,6 +65,7 @@
     "credentialSubject": {
         "id": "<subjectDid>"
     },
-    "issuanceDate": "<timestamp>"
+    "issuanceDate": "<timestamp>",
+    "expirationDate": "<timestamp-in:365d>"
 }
 ```
diff --git a/src/content/1.credentials/VaccinationCertificate.md b/src/content/1.credentials/VaccinationCertificate.md
index d3bc246..442aeb7 100644
--- a/src/content/1.credentials/VaccinationCertificate.md
+++ b/src/content/1.credentials/VaccinationCertificate.md
@@ -78,6 +78,7 @@
     "credentialSubject": {
         "id": "<subjectDid>"
     },
-    "issuanceDate": "<timestamp>"
+    "issuanceDate": "<timestamp>",
+    "expirationDate": "<timestamp-in:365d>"
 }
 ```
\ No newline at end of file