diff --git a/primitive-types/CHANGELOG.md b/primitive-types/CHANGELOG.md
index 018d16eda..4d317d442 100644
--- a/primitive-types/CHANGELOG.md
+++ b/primitive-types/CHANGELOG.md
@@ -5,7 +5,9 @@ The format is based on [Keep a Changelog].
 [Keep a Changelog]: http://keepachangelog.com/en/1.0.0/
 
 ## [Unreleased]
-- Added `no_std` support for `serde` feature. [#385](https://github.com/paritytech/parity-common/pull/385)
+
+## [0.7.2] - 2020-05-05
+- Added `serde_no_std` feature. [#385](https://github.com/paritytech/parity-common/pull/385)
 
 ## [0.7.1] - 2020-04-27
 - Added `arbitrary` feature. [#378](https://github.com/paritytech/parity-common/pull/378)
diff --git a/primitive-types/Cargo.toml b/primitive-types/Cargo.toml
index 67622a480..d48bde3d2 100644
--- a/primitive-types/Cargo.toml
+++ b/primitive-types/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "primitive-types"
-version = "0.7.1"
+version = "0.7.2"
 authors = ["Parity Technologies <admin@parity.io>"]
 license = "MIT OR Apache-2.0"
 homepage = "https://github.com/paritytech/parity-common"
@@ -10,7 +10,7 @@ edition = "2018"
 [dependencies]
 fixed-hash = { version = "0.6", path = "../fixed-hash", default-features = false }
 uint = { version = "0.8.3", path = "../uint", default-features = false }
-impl-serde = { version = "0.3.0", path = "impls/serde", default-features = false, optional = true }
+impl-serde = { version = "0.3.1", path = "impls/serde", default-features = false, optional = true }
 impl-codec = { version = "0.4.1", path = "impls/codec", default-features = false, optional = true }
 impl-rlp = { version = "0.2", path = "impls/rlp", default-features = false, optional = true }
 
diff --git a/primitive-types/impls/serde/CHANGELOG.md b/primitive-types/impls/serde/CHANGELOG.md
index e58aeb12c..2c6acdd96 100644
--- a/primitive-types/impls/serde/CHANGELOG.md
+++ b/primitive-types/impls/serde/CHANGELOG.md
@@ -6,6 +6,9 @@ The format is based on [Keep a Changelog].
 
 ## [Unreleased]
 
+## [0.3.1] - 2020-05-05
+- Added `no_std` support. [#385](https://github.com/paritytech/parity-common/pull/385)
+
 ## [0.2.3] - 2019-10-29
 ### Fixed
 - Fixed a bug in empty slice serialization. [#253](https://github.com/paritytech/parity-common/pull/253)
diff --git a/primitive-types/impls/serde/Cargo.toml b/primitive-types/impls/serde/Cargo.toml
index b89051f75..a76c0e4d9 100644
--- a/primitive-types/impls/serde/Cargo.toml
+++ b/primitive-types/impls/serde/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "impl-serde"
-version = "0.3.0"
+version = "0.3.1"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 license = "MIT OR Apache-2.0"