diff --git a/polkadot/Cargo.lock b/polkadot/Cargo.lock
index 9863a9901a0614f16af35a4aef801eb04971945e..7a8a24bee5c7fab81359e7c1de74da9bd23905ce 100644
--- a/polkadot/Cargo.lock
+++ b/polkadot/Cargo.lock
@@ -2222,7 +2222,7 @@ dependencies = [
 
 [[package]]
 name = "kusama-runtime"
-version = "0.8.8-dev"
+version = "0.8.8"
 dependencies = [
  "bitvec",
  "frame-benchmarking",
@@ -4064,7 +4064,7 @@ checksum = "feb3b2b1033b8a60b4da6ee470325f887758c95d5320f52f9ce0df055a55940e"
 
 [[package]]
 name = "polkadot"
-version = "0.8.8-dev"
+version = "0.8.8"
 dependencies = [
  "assert_cmd",
  "futures 0.3.5",
@@ -4078,7 +4078,7 @@ dependencies = [
 
 [[package]]
 name = "polkadot-availability-store"
-version = "0.8.8-dev"
+version = "0.8.8"
 dependencies = [
  "derive_more 0.99.7",
  "exit-future",
@@ -4104,7 +4104,7 @@ dependencies = [
 
 [[package]]
 name = "polkadot-cli"
-version = "0.8.8-dev"
+version = "0.8.8"
 dependencies = [
  "frame-benchmarking-cli",
  "futures 0.3.5",
@@ -4129,7 +4129,7 @@ dependencies = [
 
 [[package]]
 name = "polkadot-collator"
-version = "0.8.8-dev"
+version = "0.8.8"
 dependencies = [
  "futures 0.3.5",
  "futures-timer 2.0.2",
@@ -4157,7 +4157,7 @@ dependencies = [
 
 [[package]]
 name = "polkadot-erasure-coding"
-version = "0.8.8-dev"
+version = "0.8.8"
 dependencies = [
  "derive_more 0.15.0",
  "parity-scale-codec",
@@ -4169,7 +4169,7 @@ dependencies = [
 
 [[package]]
 name = "polkadot-network"
-version = "0.8.8-dev"
+version = "0.8.8"
 dependencies = [
  "arrayvec 0.4.12",
  "bytes 0.5.4",
@@ -4197,7 +4197,7 @@ dependencies = [
 
 [[package]]
 name = "polkadot-network-test"
-version = "0.8.8-dev"
+version = "0.8.8"
 dependencies = [
  "futures 0.3.5",
  "log 0.4.8",
@@ -4240,7 +4240,7 @@ dependencies = [
 
 [[package]]
 name = "polkadot-parachain"
-version = "0.8.8-dev"
+version = "0.8.8"
 dependencies = [
  "derive_more 0.99.7",
  "log 0.4.8",
@@ -4259,7 +4259,7 @@ dependencies = [
 
 [[package]]
 name = "polkadot-primitives"
-version = "0.8.8-dev"
+version = "0.8.8"
 dependencies = [
  "bitvec",
  "frame-system",
@@ -4281,7 +4281,7 @@ dependencies = [
 
 [[package]]
 name = "polkadot-rpc"
-version = "0.8.8-dev"
+version = "0.8.8"
 dependencies = [
  "jsonrpc-core",
  "pallet-transaction-payment-rpc",
@@ -4306,7 +4306,7 @@ dependencies = [
 
 [[package]]
 name = "polkadot-runtime"
-version = "0.8.8-dev"
+version = "0.8.8"
 dependencies = [
  "bitvec",
  "frame-benchmarking",
@@ -4380,7 +4380,7 @@ dependencies = [
 
 [[package]]
 name = "polkadot-runtime-common"
-version = "0.8.8-dev"
+version = "0.8.8"
 dependencies = [
  "bitvec",
  "frame-benchmarking",
@@ -4467,7 +4467,7 @@ dependencies = [
 
 [[package]]
 name = "polkadot-service"
-version = "0.8.8-dev"
+version = "0.8.8"
 dependencies = [
  "env_logger",
  "frame-benchmarking",
@@ -4585,7 +4585,7 @@ dependencies = [
 
 [[package]]
 name = "polkadot-statement-table"
-version = "0.8.8-dev"
+version = "0.8.8"
 dependencies = [
  "parity-scale-codec",
  "polkadot-primitives",
@@ -4594,7 +4594,7 @@ dependencies = [
 
 [[package]]
 name = "polkadot-test-runtime"
-version = "0.8.8-dev"
+version = "0.8.8"
 dependencies = [
  "bitvec",
  "frame-executive",
@@ -4672,7 +4672,7 @@ dependencies = [
 
 [[package]]
 name = "polkadot-validation"
-version = "0.8.8-dev"
+version = "0.8.8"
 dependencies = [
  "bitvec",
  "derive_more 0.14.1",
@@ -7771,7 +7771,7 @@ dependencies = [
 
 [[package]]
 name = "test-parachain-adder"
-version = "0.8.8-dev"
+version = "0.8.8"
 dependencies = [
  "dlmalloc",
  "parity-scale-codec",
@@ -7810,7 +7810,7 @@ dependencies = [
 
 [[package]]
 name = "test-parachain-halt"
-version = "0.8.8-dev"
+version = "0.8.8"
 dependencies = [
  "substrate-wasm-builder-runner 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -8678,7 +8678,7 @@ dependencies = [
 
 [[package]]
 name = "westend-runtime"
-version = "0.8.8-dev"
+version = "0.8.8"
 dependencies = [
  "bitvec",
  "frame-benchmarking",
diff --git a/polkadot/Cargo.toml b/polkadot/Cargo.toml
index 8f9fc273a9bdb6a557f68c6012dc23837d95c3f7..fd6d302da368fce9ee86620ef234fa894119f3ad 100644
--- a/polkadot/Cargo.toml
+++ b/polkadot/Cargo.toml
@@ -4,7 +4,7 @@ path = "src/main.rs"
 
 [package]
 name = "polkadot"
-version = "0.8.8-dev"
+version = "0.8.8"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
diff --git a/polkadot/availability-store/Cargo.toml b/polkadot/availability-store/Cargo.toml
index c5e7d5349e6708855388142b688010d138a78710..c658885c0dd49f2badf8e888c975fdec7bc2a326 100644
--- a/polkadot/availability-store/Cargo.toml
+++ b/polkadot/availability-store/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "polkadot-availability-store"
 description = "Persistent database for parachain data"
-version = "0.8.8-dev"
+version = "0.8.8"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
diff --git a/polkadot/cli/Cargo.toml b/polkadot/cli/Cargo.toml
index 55332223d38672374978a9709995dbd88f91aa9e..8e811b9c85d00160627b82da50bc9c7219813c29 100644
--- a/polkadot/cli/Cargo.toml
+++ b/polkadot/cli/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-cli"
-version = "0.8.8-dev"
+version = "0.8.8"
 authors = ["Parity Technologies <admin@parity.io>"]
 description = "Polkadot Relay-chain Client Node"
 edition = "2018"
diff --git a/polkadot/collator/Cargo.toml b/polkadot/collator/Cargo.toml
index 9f71889eb2dec04f75285048ac8df0e1bdb0a2c8..dfbc9d7530da3e54204091e62ebdd843d28525e6 100644
--- a/polkadot/collator/Cargo.toml
+++ b/polkadot/collator/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-collator"
-version = "0.8.8-dev"
+version = "0.8.8"
 authors = ["Parity Technologies <admin@parity.io>"]
 description = "Collator node implementation"
 edition = "2018"
diff --git a/polkadot/erasure-coding/Cargo.toml b/polkadot/erasure-coding/Cargo.toml
index 70902eb800bed6842e10801c5b1433845c8391cd..c9ee5fb60f749c8d139a8344df346ae454d9ff1f 100644
--- a/polkadot/erasure-coding/Cargo.toml
+++ b/polkadot/erasure-coding/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-erasure-coding"
-version = "0.8.8-dev"
+version = "0.8.8"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
diff --git a/polkadot/network/Cargo.toml b/polkadot/network/Cargo.toml
index 7def2b8ddb3d40b5144114a2717c7b8d028aa487..ac292ed348115482441cf5fa3ccc7bea8323a3db 100644
--- a/polkadot/network/Cargo.toml
+++ b/polkadot/network/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-network"
-version = "0.8.8-dev"
+version = "0.8.8"
 authors = ["Parity Technologies <admin@parity.io>"]
 description = "Polkadot-specific networking protocol"
 edition = "2018"
diff --git a/polkadot/network/test/Cargo.toml b/polkadot/network/test/Cargo.toml
index 4819dbf807a4f33fa4a7384170b8cee43e092c26..8b0881f828bf30ba0b248f228e849d677036d3e2 100644
--- a/polkadot/network/test/Cargo.toml
+++ b/polkadot/network/test/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-network-test"
-version = "0.8.8-dev"
+version = "0.8.8"
 license = "GPL-3.0"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
diff --git a/polkadot/parachain/Cargo.toml b/polkadot/parachain/Cargo.toml
index 1616c84fdf4cdbe92968b0cdca5eb40c442154f4..be713fe56d90a77a3d586ad7202ecda6618f75fd 100644
--- a/polkadot/parachain/Cargo.toml
+++ b/polkadot/parachain/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-parachain"
-version = "0.8.8-dev"
+version = "0.8.8"
 authors = ["Parity Technologies <admin@parity.io>"]
 description = "Types and utilities for creating and working with parachains"
 edition = "2018"
diff --git a/polkadot/parachain/test-parachains/adder/Cargo.toml b/polkadot/parachain/test-parachains/adder/Cargo.toml
index 68f0c53dd949ab3a55ae64f3ab20974b51968447..bc379ad18398863219a9be791951bc8032ed2c9a 100644
--- a/polkadot/parachain/test-parachains/adder/Cargo.toml
+++ b/polkadot/parachain/test-parachains/adder/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "test-parachain-adder"
-version = "0.8.8-dev"
+version = "0.8.8"
 authors = ["Parity Technologies <admin@parity.io>"]
 description = "Test parachain which adds to a number as its state transition"
 edition = "2018"
diff --git a/polkadot/parachain/test-parachains/halt/Cargo.toml b/polkadot/parachain/test-parachains/halt/Cargo.toml
index 96cb5ad1f7186aca85b6314a77e50475b0d03cfd..6df56d75024bdf6e5a55c89c9e217e8010d4f836 100644
--- a/polkadot/parachain/test-parachains/halt/Cargo.toml
+++ b/polkadot/parachain/test-parachains/halt/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "test-parachain-halt"
-version = "0.8.8-dev"
+version = "0.8.8"
 authors = ["Parity Technologies <admin@parity.io>"]
 description = "Test parachain which executes forever"
 edition = "2018"
diff --git a/polkadot/primitives/Cargo.toml b/polkadot/primitives/Cargo.toml
index 0263c476f3bd6600a473aefc798e6ea13088dd62..42c1ef9c1edb6180e38c8d0c99434bd8335c1e93 100644
--- a/polkadot/primitives/Cargo.toml
+++ b/polkadot/primitives/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-primitives"
-version = "0.8.8-dev"
+version = "0.8.8"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
diff --git a/polkadot/rpc/Cargo.toml b/polkadot/rpc/Cargo.toml
index 27914f4265080cee450a07992a472cddcfbba307..8ec6bda43ecd73b2d8b91652974de9ebdc39f48d 100644
--- a/polkadot/rpc/Cargo.toml
+++ b/polkadot/rpc/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-rpc"
-version = "0.8.8-dev"
+version = "0.8.8"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
diff --git a/polkadot/runtime/common/Cargo.toml b/polkadot/runtime/common/Cargo.toml
index 81cdd8cfc69e14fe96a77e4642658e52781b4af7..f572a96ef83745dfffe1526dac2bf552c96dede7 100644
--- a/polkadot/runtime/common/Cargo.toml
+++ b/polkadot/runtime/common/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-runtime-common"
-version = "0.8.8-dev"
+version = "0.8.8"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
diff --git a/polkadot/runtime/kusama/Cargo.toml b/polkadot/runtime/kusama/Cargo.toml
index 018060b0971d5f8a81447facb828779ce42bb12e..a2a7477dc53b11f07d8053994b5ac0f13814a36b 100644
--- a/polkadot/runtime/kusama/Cargo.toml
+++ b/polkadot/runtime/kusama/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "kusama-runtime"
-version = "0.8.8-dev"
+version = "0.8.8"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 build = "build.rs"
diff --git a/polkadot/runtime/polkadot/Cargo.toml b/polkadot/runtime/polkadot/Cargo.toml
index 301e6c3e311d919afd73235b8acb8ee66e86d031..be3c4f30876a9e70c6b179b9838bfbf1c42b9d1b 100644
--- a/polkadot/runtime/polkadot/Cargo.toml
+++ b/polkadot/runtime/polkadot/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-runtime"
-version = "0.8.8-dev"
+version = "0.8.8"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 build = "build.rs"
diff --git a/polkadot/runtime/test-runtime/Cargo.toml b/polkadot/runtime/test-runtime/Cargo.toml
index 41ddd2b64961e525d479111384c5213f68a65961..b8534601dd0ea840317af88f74e4684b5a20632c 100644
--- a/polkadot/runtime/test-runtime/Cargo.toml
+++ b/polkadot/runtime/test-runtime/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-test-runtime"
-version = "0.8.8-dev"
+version = "0.8.8"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 build = "build.rs"
diff --git a/polkadot/runtime/westend/Cargo.toml b/polkadot/runtime/westend/Cargo.toml
index 32a898c5e2ebde78c3e6a422a5023fac83a671b2..86e6c22d71597dd85da33c572896043e1a3e2c35 100644
--- a/polkadot/runtime/westend/Cargo.toml
+++ b/polkadot/runtime/westend/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "westend-runtime"
-version = "0.8.8-dev"
+version = "0.8.8"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 build = "build.rs"
diff --git a/polkadot/service/Cargo.toml b/polkadot/service/Cargo.toml
index 9c4482d358dab63971f7b2cf7140273af7046b0f..2751f140b5fc09d6dedfdebdd98ac2573af3003e 100644
--- a/polkadot/service/Cargo.toml
+++ b/polkadot/service/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-service"
-version = "0.8.8-dev"
+version = "0.8.8"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
diff --git a/polkadot/statement-table/Cargo.toml b/polkadot/statement-table/Cargo.toml
index 0118ec9f539307c9f809e64920d4c8f94c508961..d1fbdcf37bd7347afd07b4e81e8c874d8dd1bb46 100644
--- a/polkadot/statement-table/Cargo.toml
+++ b/polkadot/statement-table/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-statement-table"
-version = "0.8.8-dev"
+version = "0.8.8"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
diff --git a/polkadot/validation/Cargo.toml b/polkadot/validation/Cargo.toml
index ca5928a3a181aac5359e7defe32d2a0de35aadfd..003d6aef16e9f5f90cf48bf4db78449cc3cf51a5 100644
--- a/polkadot/validation/Cargo.toml
+++ b/polkadot/validation/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-validation"
-version = "0.8.8-dev"
+version = "0.8.8"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"