--- a/js-packages/tests/creditFeesToTreasury.seqtest.ts
+++ b/js-packages/tests/creditFeesToTreasury.seqtest.ts
@@ -33,7 +33,7 @@
     const blockInterval = inflationBlockInterval.toNumber();
     const unsubscribe = await api.rpc.chain.subscribeNewHeads(head => {
       const currentBlock = head.number.toNumber();
-      if(currentBlock % blockInterval < blockInterval - 2) {
+      if(currentBlock % blockInterval < blockInterval - (blockInterval / 5)) {
         unsubscribe();
         resolve();
       } else {
--- a/pallets/inflation/Cargo.toml
+++ b/pallets/inflation/Cargo.toml
@@ -27,6 +27,7 @@
 	'sp-std/std',
 ]
 try-runtime = ["frame-support/try-runtime"]
+fast-inflation = []
 
 [dependencies]
 parity-scale-codec = { workspace = true }
--- a/runtime/common/config/pallets/mod.rs
+++ b/runtime/common/config/pallets/mod.rs
@@ -101,8 +101,14 @@
 	type WeightInfo = pallet_balances::weights::SubstrateWeight<Self>;
 }
 
+// every time per how many blocks inflation is applied
+#[cfg(feature = "fast-inflation")]
+parameter_types! {
+	pub const InflationBlockInterval: BlockNumber = 10;
+}
+#[cfg(not(feature = "fast-inflation"))]
 parameter_types! {
-	pub const InflationBlockInterval: BlockNumber = 10; // every time per how many blocks inflation is applied
+	pub const InflationBlockInterval: BlockNumber = 100;
 }
 
 /// Pallet-inflation needs block number in on_initialize, where there is no `validation_data` exists yet
--- a/runtime/opal/Cargo.toml
+++ b/runtime/opal/Cargo.toml
@@ -232,6 +232,7 @@
 preimage = []
 refungible = []
 session-test-timings = []
+fast-inflation = []
 
 ################################################################################
 # local dependencies
--- a/runtime/quartz/Cargo.toml
+++ b/runtime/quartz/Cargo.toml
@@ -221,6 +221,7 @@
 preimage = []
 refungible = []
 session-test-timings = []
+fast-inflation = []
 
 ################################################################################
 # local dependencies
--- a/runtime/unique/Cargo.toml
+++ b/runtime/unique/Cargo.toml
@@ -224,6 +224,7 @@
 preimage = []
 refungible = []
 session-test-timings = []
+fast-inflation = []
 
 ################################################################################
 # local dependencies