diff --git a/CHANGELOG.md b/CHANGELOG.md
index 660e85e4..84b0c686 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.8.1
+
+* Add combined stake address registration and delegation certificate.
+
 ## 0.8.0
 
 * Note that there has been large internal refactoring inside this update, but these are mostly non breaking as we provide pattern & type synonyms to keep earlier behavior. In particular:
diff --git a/atlas-cardano.cabal b/atlas-cardano.cabal
index c96c2aee..ad231e45 100644
--- a/atlas-cardano.cabal
+++ b/atlas-cardano.cabal
@@ -1,6 +1,6 @@
 cabal-version:      3.8
 name:               atlas-cardano
-version:            0.8.0
+version:            0.8.1
 synopsis:           Application backend for Plutus smart contracts on Cardano
 description:
   Atlas is an all-in-one, Haskell-native application backend for writing off-chain code for on-chain Plutus smart contracts.
diff --git a/src/GeniusYield/Types/TxCert.hs b/src/GeniusYield/Types/TxCert.hs
index b4e137d2..a630fad7 100644
--- a/src/GeniusYield/Types/TxCert.hs
+++ b/src/GeniusYield/Types/TxCert.hs
@@ -14,6 +14,7 @@ module GeniusYield.Types.TxCert (
   mkStakeAddressRegistrationCertificate,
   mkStakeAddressDeregistrationCertificate,
   mkStakeAddressDelegationCertificate,
+  mkStakeAddressCombinedRegistrationAndDelegationCertificate,
   mkDRepRegistrationCertificate,
   mkDRepUpdateCertificate,
   mkDRepUnregistrationCertificate,
@@ -51,6 +52,10 @@ mkStakeAddressDeregistrationCertificate sc wit = GYTxCert (GYStakeAddressDeregis
 mkStakeAddressDelegationCertificate :: GYStakeCredential -> GYDelegatee -> GYTxBuildWitness v -> GYTxCert v
 mkStakeAddressDelegationCertificate sc del wit = GYTxCert (GYStakeAddressDelegationCertificatePB sc del) (Just wit)
 
+-- | Rules for combined registration and delegation certificate are same as for individual registration and delegation certificates.
+mkStakeAddressCombinedRegistrationAndDelegationCertificate :: GYStakeCredential -> GYDelegatee -> GYTxBuildWitness v -> GYTxCert v
+mkStakeAddressCombinedRegistrationAndDelegationCertificate sc del wit = GYTxCert (GYStakeAddressRegistrationDelegationCertificatePB sc del) (Just wit)
+
 {- | Note that delegation certificate requires following preconditions:
 
 1. DRep must not already be registered.