diff --git a/auction/Cargo.toml b/auction/Cargo.toml
index 1ba4d8c9f..b882a69a1 100644
--- a/auction/Cargo.toml
+++ b/auction/Cargo.toml
@@ -3,7 +3,7 @@ name = "orml-auction"
 description = "Auction module that implements `Auction` trait."
 repository = "https://github.com/open-web3-stack/open-runtime-module-library/tree/master/auction"
 license = "Apache-2.0"
-version = "0.2.1-dev"
+version = "0.3.0"
 authors = ["Acala Developers"]
 edition = "2018"
 
@@ -17,7 +17,7 @@ sp-std = { version = "2.0.0", default-features = false }
 frame-support = { version = "2.0.0", default-features = false }
 frame-system = { version = "2.0.0", default-features = false }
 
-orml-traits = { path = "../traits", version = "0.2.1-dev", default-features = false }
+orml-traits = { path = "../traits", version = "0.3.0", default-features = false }
 
 [dev-dependencies]
 sp-core = { version = "2.0.0", default-features = false }
diff --git a/authority/Cargo.toml b/authority/Cargo.toml
index 721597681..f94033c71 100644
--- a/authority/Cargo.toml
+++ b/authority/Cargo.toml
@@ -3,7 +3,7 @@ name = "orml-authority"
 description = "Utility pallet to perform ROOT calls in a PoA network"
 repository = "https://github.com/open-web3-stack/open-runtime-module-library/tree/master/auction"
 license = "Apache-2.0"
-version = "0.2.1-dev"
+version = "0.3.0"
 authors = ["Acala Developers"]
 edition = "2018"
 
@@ -17,7 +17,7 @@ sp-std = { version = "2.0.0", default-features = false }
 frame-support = { version = "2.0.0", default-features = false }
 frame-system = { version = "2.0.0", default-features = false }
 
-orml-traits = { path = "../traits", version = "0.2.1-dev", default-features = false }
+orml-traits = { path = "../traits", version = "0.3.0", default-features = false }
 
 [dev-dependencies]
 sp-core = { version = "2.0.0", default-features = false }
diff --git a/benchmarking/Cargo.toml b/benchmarking/Cargo.toml
index 602de58b7..1a842f6a9 100644
--- a/benchmarking/Cargo.toml
+++ b/benchmarking/Cargo.toml
@@ -3,7 +3,7 @@ name = "orml-benchmarking"
 description = "Provide macro to benchmark Substrate runtime."
 repository = "https://github.com/open-web3-stack/open-runtime-module-library/tree/master/benchmarking"
 license = "Apache-2.0"
-version = "0.2.1-dev"
+version = "0.3.0"
 authors = ["Laminar Developers <hello@laminar.one>"]
 edition = "2018"
 
diff --git a/currencies/Cargo.toml b/currencies/Cargo.toml
index 90dc0dc76..978f793e8 100644
--- a/currencies/Cargo.toml
+++ b/currencies/Cargo.toml
@@ -3,7 +3,7 @@ name = "orml-currencies"
 description = "Provide `MultiCurrency` implementation using `pallet-balances` and `orml-tokens` module."
 repository = "https://github.com/open-web3-stack/open-runtime-module-library/tree/master/currencies"
 license = "Apache-2.0"
-version = "0.2.1-dev"
+version = "0.3.0"
 authors = ["Laminar Developers <hello@laminar.one>"]
 edition = "2018"
 
@@ -17,7 +17,7 @@ sp-std = { version = "2.0.0", default-features = false }
 frame-support = { version = "2.0.0", default-features = false }
 frame-system = { version = "2.0.0", default-features = false }
 
-orml-traits = { path = "../traits", version = "0.2.1-dev", default-features = false }
+orml-traits = { path = "../traits", version = "0.3.0", default-features = false }
 
 [dev-dependencies]
 sp-core = { version = "2.0.0", default-features = false }
diff --git a/gradually-update/Cargo.toml b/gradually-update/Cargo.toml
index 6a580abef..d0cf294bb 100644
--- a/gradually-update/Cargo.toml
+++ b/gradually-update/Cargo.toml
@@ -3,7 +3,7 @@ name = "orml-gradually-update"
 description = "Provides way to adjust numeric parameter gradually over a period of time."
 repository = "https://github.com/open-web3-stack/open-runtime-module-library/tree/master/gradually-update"
 license = "Apache-2.0"
-version = "0.2.1-dev"
+version = "0.3.0"
 authors = ["Laminar Developers <hello@laminar.one>"]
 edition = "2018"
 
diff --git a/oracle/Cargo.toml b/oracle/Cargo.toml
index 1cdd27f99..39e94ca60 100644
--- a/oracle/Cargo.toml
+++ b/oracle/Cargo.toml
@@ -3,7 +3,7 @@ name = "orml-oracle"
 description = "Oracle module that makes off-chain data available on-chain."
 repository = "https://github.com/open-web3-stack/open-runtime-module-library/tree/master/oracle"
 license = "Apache-2.0"
-version = "0.2.1-dev"
+version = "0.3.0"
 authors = ["Laminar Developers <hello@laminar.one>"]
 edition = "2018"
 
@@ -19,8 +19,8 @@ sp-std = { version = "2.0.0", default-features = false }
 frame-support = { version = "2.0.0", default-features = false }
 frame-system = { version = "2.0.0", default-features = false }
 
-orml-traits = { path = "../traits", version = "0.2.1-dev", default-features = false }
-orml-utilities = { path = "../utilities", version = "0.2.1-dev", default-features = false }
+orml-traits = { path = "../traits", version = "0.3.0", default-features = false }
+orml-utilities = { path = "../utilities", version = "0.3.0", default-features = false }
 
 [dev-dependencies]
 sp-core = { version = "2.0.0", default-features = false }
diff --git a/oracle/rpc/Cargo.toml b/oracle/rpc/Cargo.toml
index 8e3577147..d1516d451 100644
--- a/oracle/rpc/Cargo.toml
+++ b/oracle/rpc/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "orml-oracle-rpc"
-version = "0.2.1-dev"
+version = "0.3.0"
 authors = ["Laminar Developers <hello@laminar.one>"]
 edition = "2018"
 
diff --git a/oracle/rpc/runtime-api/Cargo.toml b/oracle/rpc/runtime-api/Cargo.toml
index d662817f0..c6b123c01 100644
--- a/oracle/rpc/runtime-api/Cargo.toml
+++ b/oracle/rpc/runtime-api/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "orml-oracle-rpc-runtime-api"
-version = "0.2.1-dev"
+version = "0.3.0"
 authors = ["Laminar Developers <hello@laminar.one>"]
 edition = "2018"
 
diff --git a/rewards/Cargo.toml b/rewards/Cargo.toml
index 2b9438830..6e78f1b1f 100644
--- a/rewards/Cargo.toml
+++ b/rewards/Cargo.toml
@@ -3,7 +3,7 @@ name = "orml-rewards"
 description = "Store and manage shares and rewards"
 repository = "https://github.com/open-web3-stack/open-runtime-module-library/tree/master/rewards"
 license = "Apache-2.0"
-version = "0.2.1-dev"
+version = "0.3.0"
 authors = ["Acala Developers"]
 edition = "2018"
 
@@ -15,7 +15,7 @@ sp-io = { version = "2.0.0", default-features = false }
 sp-std = { version = "2.0.0", default-features = false }
 frame-support = { version = "2.0.0", default-features = false }
 frame-system = { version = "2.0.0", default-features = false }
-orml-traits = { path = "../traits", version = "0.2.1-dev", default-features = false }
+orml-traits = { path = "../traits", version = "0.3.0", default-features = false }
 
 [dev-dependencies]
 sp-core = { version = "2.0.0", default-features = false }
diff --git a/tokens/Cargo.toml b/tokens/Cargo.toml
index f206ae9f1..2ea157c9d 100644
--- a/tokens/Cargo.toml
+++ b/tokens/Cargo.toml
@@ -3,7 +3,7 @@ name = "orml-tokens"
 description = "Fungible tokens module that implements `MultiCurrency` trait."
 repository = "https://github.com/open-web3-stack/open-runtime-module-library/tree/master/tokens"
 license = "Apache-2.0"
-version = "0.2.1-dev"
+version = "0.3.0"
 authors = ["Laminar Developers <hello@laminar.one>"]
 edition = "2018"
 
@@ -17,7 +17,7 @@ sp-std = { version = "2.0.0", default-features = false }
 frame-support = { version = "2.0.0", default-features = false }
 frame-system = { version = "2.0.0", default-features = false }
 
-orml-traits = { path = "../traits", version = "0.2.1-dev", default-features = false }
+orml-traits = { path = "../traits", version = "0.3.0", default-features = false }
 
 [dev-dependencies]
 sp-core = { version = "2.0.0", default-features = false }
diff --git a/traits/Cargo.toml b/traits/Cargo.toml
index bac6a2331..b71f2691d 100644
--- a/traits/Cargo.toml
+++ b/traits/Cargo.toml
@@ -3,7 +3,7 @@ name = "orml-traits"
 description = "Shared traits including `BasicCurrency`, `MultiCurrency`, `Auction` and more."
 repository = "https://github.com/open-web3-stack/open-runtime-module-library/tree/master/traits"
 license = "Apache-2.0"
-version = "0.2.1-dev"
+version = "0.3.0"
 authors = ["Laminar Developers <hello@laminar.one>"]
 edition = "2018"
 
diff --git a/utilities/Cargo.toml b/utilities/Cargo.toml
index 61d28f33a..bf1f605fb 100644
--- a/utilities/Cargo.toml
+++ b/utilities/Cargo.toml
@@ -3,7 +3,7 @@ name = "orml-utilities"
 description = "Various utilities including `FixedU128` and `LinkedList`."
 repository = "https://github.com/open-web3-stack/open-runtime-module-library/tree/master/utilities"
 license = "Apache-2.0"
-version = "0.2.1-dev"
+version = "0.3.0"
 authors = ["Laminar Developers <hello@laminar.one>"]
 edition = "2018"
 
diff --git a/vesting/Cargo.toml b/vesting/Cargo.toml
index a5d137b14..0da21c98f 100644
--- a/vesting/Cargo.toml
+++ b/vesting/Cargo.toml
@@ -3,7 +3,7 @@ name = "orml-vesting"
 description = "Provides scheduled balance locking mechanism, in a *graded vesting* way."
 repository = "https://github.com/open-web3-stack/open-runtime-module-library/tree/master/vesting"
 license = "Apache-2.0"
-version = "0.2.1-dev"
+version = "0.3.0"
 authors = ["Laminar Developers <hello@laminar.one>"]
 edition = "2018"