diff --git a/Cargo.lock b/Cargo.lock
index b492ab1..1fe79a2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1186,7 +1186,7 @@ dependencies = [
 
 [[package]]
 name = "casper-runtime"
-version = "3.5.35"
+version = "3.5.36"
 dependencies = [
  "casper-runtime-constants",
  "frame-benchmarking",
@@ -3836,7 +3836,7 @@ dependencies = [
 
 [[package]]
 name = "ghost-slow-clap"
-version = "0.3.52"
+version = "0.3.53"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
diff --git a/runtime/casper/Cargo.toml b/runtime/casper/Cargo.toml
index 7f508ab..e10cd4a 100644
--- a/runtime/casper/Cargo.toml
+++ b/runtime/casper/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "casper-runtime"
-version = "3.5.35"
+version = "3.5.36"
 build = "build.rs"
 description = "Runtime of the Casper Network"
 edition.workspace = true
diff --git a/runtime/casper/src/lib.rs b/runtime/casper/src/lib.rs
index 17d1e9f..c032167 100644
--- a/runtime/casper/src/lib.rs
+++ b/runtime/casper/src/lib.rs
@@ -117,8 +117,8 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
     spec_name: create_runtime_str!("casper"),
     impl_name: create_runtime_str!("casper-svengali"),
     authoring_version: 0,
-    spec_version: 5,
-    impl_version: 3,
+    spec_version: 6,
+    impl_version: 4,
     apis: RUNTIME_API_VERSIONS,
     transaction_version: 1,
     state_version: 1,
@@ -1062,6 +1062,8 @@ parameter_types! {
     pub const ApplauseThreshold: u32 = 66;
     // will be used in `Perbill::from_percent()`
     pub const OffenceThreshold: u32 = 5;
+    // 4 validators should be functional if 1 is offline
+    pub const MinAuthoritiesNumber: u32 = 5;
     pub const SlowClapUnsignedPriority: TransactionPriority = TransactionPriority::MAX;
     pub const SlowClapHistoryDepth: sp_staking::SessionIndex =
         StakingHistoryDepth::get() * SessionsPerEra::get();
@@ -1071,7 +1073,6 @@ impl ghost_slow_clap::Config for Runtime {
     type RuntimeEvent = RuntimeEvent;
     type AuthorityId = SlowClapId;
 
-    type NextSessionRotation = Babe;
     type ValidatorSet = Historical;
     type Currency = Balances;
     type NetworkDataHandler = GhostNetworks;
@@ -1084,6 +1085,7 @@ impl ghost_slow_clap::Config for Runtime {
     type OffenceThreshold = OffenceThreshold;
     type UnsignedPriority = SlowClapUnsignedPriority;
     type HistoryDepth = SlowClapHistoryDepth;
+    type MinAuthoritiesNumber = MinAuthoritiesNumber;
 
     type WeightInfo = weights::ghost_slow_clap::WeightInfo<Runtime>;
 }