diff --git a/auction/Cargo.toml b/auction/Cargo.toml
index 4b3a6dd790449fc3b65826b883c460050a0f17f0..7bf672db96cfbe641a7ff6eef5844094317433c5 100644
--- a/auction/Cargo.toml
+++ b/auction/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 
 [dependencies]
 serde = { version = "1.0", optional = true }
-codec = { package = "parity-scale-codec", version = "1.0.0", default-features = false }
+codec = { package = "parity-scale-codec", version = "1.2.0", default-features = false }
 sp-runtime = { version = "2.0.0-alpha.3", default-features = false }
 runtime-io = { package = "sp-io", version = "2.0.0-alpha.3", default-features = false }
 rstd = { package = "sp-std", version = "2.0.0-alpha.3", default-features = false }
diff --git a/currencies/Cargo.toml b/currencies/Cargo.toml
index 4113373666f4ca8617a45f71f2276e43069484f3..cd790d865b804ecd5ae518080c58ea0949fb3b93 100644
--- a/currencies/Cargo.toml
+++ b/currencies/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 
 [dependencies]
 serde = { version = "1.0", optional = true }
-codec = { package = "parity-scale-codec", version = "1.0.0", default-features = false }
+codec = { package = "parity-scale-codec", version = "1.2.0", default-features = false }
 sp-runtime = { version = "2.0.0-alpha.3", default-features = false }
 runtime-io = { package = "sp-io", version = "2.0.0-alpha.3", default-features = false }
 rstd = { package = "sp-std", version = "2.0.0-alpha.3", default-features = false }
diff --git a/gradually-update/Cargo.toml b/gradually-update/Cargo.toml
index 7a59efce6af626aa41b390a04dfdf08529183f45..b25fc8408450213e90ffbb09973dca2bae96edc0 100644
--- a/gradually-update/Cargo.toml
+++ b/gradually-update/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["Laminar Developers <hello@laminar.one>"]
 edition = "2018"
 
 [dependencies]
-codec = { package = "parity-scale-codec", version = "1.0.0", default-features = false }
+codec = { package = "parity-scale-codec", version = "1.2.0", default-features = false }
 
 frame-support = { version = "2.0.0-alpha.3", default-features = false }
 frame-system = { version = "2.0.0-alpha.3", default-features = false }
diff --git a/oracle/Cargo.toml b/oracle/Cargo.toml
index 5b5672dc291f67c835b392ac95ba188864107b5a..a256fa1a8279b3be10b8444064ca857ca9aa9f07 100644
--- a/oracle/Cargo.toml
+++ b/oracle/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 
 [dependencies]
 serde = { version = "1.0", optional = true }
-codec = { package = "parity-scale-codec", version = "1.0.0", default-features = false }
+codec = { package = "parity-scale-codec", version = "1.2.0", default-features = false }
 sp-runtime = { version = "2.0.0-alpha.3", default-features = false }
 runtime-io = { package = "sp-io", version = "2.0.0-alpha.3", default-features = false }
 sp-std = { version = "2.0.0-alpha.3", default-features = false }
diff --git a/oracle/rpc/Cargo.toml b/oracle/rpc/Cargo.toml
index f1e158262d0e94b9f32093f82a9ed36ab6d720fc..639d7c484859387811a80064a07432e086651738 100644
--- a/oracle/rpc/Cargo.toml
+++ b/oracle/rpc/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["Laminar Developers <hello@laminar.one>"]
 edition = "2018"
 
 [dependencies]
-codec = { package = "parity-scale-codec", version = "1.0.0" }
+codec = { package = "parity-scale-codec", version = "1.2.0" }
 jsonrpc-core = "14.0.3"
 jsonrpc-core-client = "14.0.3"
 jsonrpc-derive = "14.0.3"
diff --git a/oracle/rpc/runtime-api/Cargo.toml b/oracle/rpc/runtime-api/Cargo.toml
index 05190a57d291e7b6ec0b5ebbe37bfc1337b91daa..3c4b634628286c4047b19862e9d1531686b5d4ca 100644
--- a/oracle/rpc/runtime-api/Cargo.toml
+++ b/oracle/rpc/runtime-api/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["Laminar Developers <hello@laminar.one>"]
 edition = "2018"
 
 [dependencies]
-codec = { package = "parity-scale-codec", version = "1.0.6", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.2.0", default-features = false, features = ["derive"] }
 sp-api = { default-features = false, version = "2.0.0-alpha.3" }
 
 [features]
diff --git a/prices/Cargo.toml b/prices/Cargo.toml
index 7eeb0c8bc1731404b7337a7c9ef6eed8dde2b565..164e38b5a65d8034a8306424d1d0ea2fae8b6d13 100644
--- a/prices/Cargo.toml
+++ b/prices/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 
 [dependencies]
 serde = { version = "1.0", optional = true }
-codec = { package = "parity-scale-codec", version = "1.0.0", default-features = false }
+codec = { package = "parity-scale-codec", version = "1.2.0", default-features = false }
 sp-runtime = { version = "2.0.0-alpha.3", default-features = false }
 runtime-io = { package = "sp-io", version = "2.0.0-alpha.3", default-features = false }
 
diff --git a/schedule-update/Cargo.toml b/schedule-update/Cargo.toml
index 6b7300556591ad3029f08d41313958ff249d8164..afd46cca4e259cbe93899bd068a38c77c40ce4b9 100644
--- a/schedule-update/Cargo.toml
+++ b/schedule-update/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 
 
 [dependencies]
-codec = { package = "parity-scale-codec", version = "1.0.0", default-features = false }
+codec = { package = "parity-scale-codec", version = "1.2.0", default-features = false }
 
 frame-support = { version = "2.0.0-alpha.3", default-features = false }
 frame-system = { version = "2.0.0-alpha.3", default-features = false }
diff --git a/tokens/Cargo.toml b/tokens/Cargo.toml
index dfe3e60fac8d3605237af2dc697ecd23934cb09a..89f6be9b92ea813535d89d36161c557c8d890e6f 100644
--- a/tokens/Cargo.toml
+++ b/tokens/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 
 [dependencies]
 serde = { version = "1.0", optional = true }
-codec = { package = "parity-scale-codec", version = "1.0.0", default-features = false }
+codec = { package = "parity-scale-codec", version = "1.2.0", default-features = false }
 sp-runtime = { version = "2.0.0-alpha.3", default-features = false }
 runtime-io = { package = "sp-io", version = "2.0.0-alpha.3", default-features = false }
 rstd = { package = "sp-std", version = "2.0.0-alpha.3", default-features = false }
diff --git a/traits/Cargo.toml b/traits/Cargo.toml
index ff8029d02a98721b327e480b67141fe0e50cf597..9959504de2fafe221c8ddc0a2f38df415b1cf219 100644
--- a/traits/Cargo.toml
+++ b/traits/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 
 [dependencies]
 serde = { version = "1.0", optional = true }
-codec = { package = "parity-scale-codec", version = "1.0.0", default-features = false }
+codec = { package = "parity-scale-codec", version = "1.2.0", default-features = false }
 sp-runtime = { version = "2.0.0-alpha.3", default-features = false }
 runtime-io = { package = "sp-io", version = "2.0.0-alpha.3", default-features = false }
 rstd = { package = "sp-std", version = "2.0.0-alpha.3", default-features = false }
diff --git a/utilities/Cargo.toml b/utilities/Cargo.toml
index bfc3ffdee3a389452e55ea9f9e5ef8b7878a64d6..e866cd990343a22617209e40449f347aa2c37a9d 100644
--- a/utilities/Cargo.toml
+++ b/utilities/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 
 [dependencies]
 serde = { version = "1.0", optional = true }
-codec = { package = "parity-scale-codec", version = "1.0.0", default-features = false }
+codec = { package = "parity-scale-codec", version = "1.2.0", default-features = false }
 primitives = { package = "sp-core",  version = "2.0.0-alpha.3", default-features = false }
 sp-runtime = { version = "2.0.0-alpha.3", default-features = false }
 runtime-io = { package = "sp-io", version = "2.0.0-alpha.3", default-features = false }
diff --git a/vesting/Cargo.toml b/vesting/Cargo.toml
index 49750da1b7b00ac8ed06d67d8d4dd077fb37b333..4d3f21d78504df7e11d7a1ab2b1eb075da33e832 100644
--- a/vesting/Cargo.toml
+++ b/vesting/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 
 [dependencies]
 serde = { version = "1.0", optional = true }
-codec = { package = "parity-scale-codec", version = "1.0.0", default-features = false }
+codec = { package = "parity-scale-codec", version = "1.2.0", default-features = false }
 sp-runtime = { version = "2.0.0-alpha.3", default-features = false }
 sp-io = { version = "2.0.0-alpha.3", default-features = false }
 sp-std = { version = "2.0.0-alpha.3", default-features = false }