diff --git a/rust-src/concordium_base/src/base.rs b/rust-src/concordium_base/src/base.rs
index 6e1ea2a4c..72ccf98d9 100644
--- a/rust-src/concordium_base/src/base.rs
+++ b/rust-src/concordium_base/src/base.rs
@@ -503,6 +503,7 @@ impl Deserial for ProtocolVersion {
 pub struct ChainParameterVersion0;
 pub struct ChainParameterVersion1;
 pub struct ChainParameterVersion2;
+pub struct ChainParameterVersion3;
 
 /// Height of a block since chain genesis.
 #[repr(transparent)]
@@ -1204,6 +1205,10 @@ impl MintDistributionFamily for ChainParameterVersion2 {
     type Output = MintDistributionV1;
 }
 
+impl MintDistributionFamily for ChainParameterVersion3 {
+    type Output = MintDistributionV1;
+}
+
 /// Type family mapping a `ChainParameterVersion` to its corresponding type for
 /// the `MintDistribution`.
 pub type MintDistribution<CPV> = <CPV as MintDistributionFamily>::Output;
@@ -1225,6 +1230,10 @@ impl GASRewardsFamily for ChainParameterVersion2 {
     type Output = GASRewardsV1;
 }
 
+impl GASRewardsFamily for ChainParameterVersion3 {
+    type Output = GASRewardsV1;
+}
+
 /// Type family mapping a `ChainParameterVersion` to its corresponding type for
 /// the `GasRewards`.
 pub type GASRewardsFor<CPV> = <CPV as GASRewardsFamily>::Output;
diff --git a/rust-src/concordium_base/src/updates.rs b/rust-src/concordium_base/src/updates.rs
index dc067bf33..aa4872e60 100644
--- a/rust-src/concordium_base/src/updates.rs
+++ b/rust-src/concordium_base/src/updates.rs
@@ -464,6 +464,10 @@ impl AuthorizationsFamily for ChainParameterVersion2 {
     type Output = AuthorizationsV1;
 }
 
+impl AuthorizationsFamily for ChainParameterVersion3 {
+    type Output = AuthorizationsV1;
+}
+
 /// A mapping of chain parameter versions to authorization versions.
 pub type Authorizations<CPV> = <CPV as AuthorizationsFamily>::Output;
 
@@ -628,6 +632,7 @@ pub struct FinalizationCommitteeParameters {
 }
 
 #[derive(Debug, common::Serialize, Clone, Copy, SerdeSerialize, SerdeDeserialize)]
+#[serde(rename_all = "camelCase")]
 /// Validator score parameters. These parameters control the threshold of
 /// maximal missed rounds before a validator gets suspended.
 pub struct ValidatorScoreParameters {