diff --git a/Cargo.lock b/Cargo.lock
index ac56081..6a7a001 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -727,7 +727,7 @@ dependencies = [
 
 [[package]]
 name = "fluence-keypair"
-version = "0.8.0"
+version = "0.8.1"
 dependencies = [
  "asn1_der 0.6.3",
  "bs58 0.3.1",
diff --git a/Cargo.toml b/Cargo.toml
index 292cf4d..2214c24 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ repository = "https://github.com/fluencelabs/trust-graph"
 [dependencies]
 serde = { version = "1.0.118", features = ["derive"] }
 
-fluence-keypair = { path = "./keypair", version = "0.8.0" }
+fluence-keypair = { path = "./keypair", version = "0.8.1" }
 serde_json = "1.0.58"
 bs58 = "0.3.1"
 failure = "0.1.6"
diff --git a/keypair/CHANGELOG.md b/keypair/CHANGELOG.md
new file mode 100644
index 0000000..efc5328
--- /dev/null
+++ b/keypair/CHANGELOG.md
@@ -0,0 +1,24 @@
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+## [0.8.1] - 2022-10-06
+
+### Added
+- *(keypair)* add KeyPair::from_secret_key (#50)
+
+### Other
+- set version of fluence-keypair to 0.8.0
+- fluence-keypair 0.8.0
+- libp2p-core 0.33.0 (#49)
+- remove circle, update gh, add lints; remove warnings (#43)
+- fluence-keypair 0.6.0
+- libp2p-core 0.31.0 (from crates.io) (#37)
+- Remove serde version lock (#15)
+- Fix revocations logic (#34)
+- Trust Graph: implement WASM built-in (#18)
+- Move fluence-identity to fluence-keypair (#17)
diff --git a/keypair/Cargo.toml b/keypair/Cargo.toml
index 0600f09..1da60b5 100644
--- a/keypair/Cargo.toml
+++ b/keypair/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "fluence-keypair"
-version = "0.8.0"
+version = "0.8.1"
 authors = ["Fluence Labs"]
 edition = "2018"
 description = "identity"
diff --git a/service/CHANGELOG.md b/service/CHANGELOG.md
new file mode 100644
index 0000000..2923be8
--- /dev/null
+++ b/service/CHANGELOG.md
@@ -0,0 +1,30 @@
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+## [0.3.1] - 2022-10-06
+
+### Added
+- *(keypair)* add KeyPair::from_secret_key (#50)
+
+### Fixed
+- fix bug get_all_certs_from, update example (#44)
+- fix db paths (#28)
+
+### Other
+- set version of fluence-keypair to 0.8.0
+- fluence-keypair 0.8.0
+- libp2p-core 0.33.0 (#49)
+- remove circle, update gh, add lints; remove warnings (#43)
+- Add memory leak temporary mitigation (#42)
+- High-level Aqua API (#35)
+- fluence-keypair 0.6.0
+- libp2p-core 0.31.0 (from crates.io) (#37)
+- Fix revocations logic (#34)
+- Remove mutex from TG instance (#31)
+- refactoring (#30)
+- Trust Graph: implement WASM built-in (#18)
diff --git a/service/Cargo.toml b/service/Cargo.toml
index d810536..00ca16a 100644
--- a/service/Cargo.toml
+++ b/service/Cargo.toml
@@ -12,7 +12,7 @@ path = "src/main.rs"
 
 [dependencies]
 trust-graph = { version = "0.3.0", path = "../." }
-fluence-keypair = { version = "0.8.0", path = "../keypair" }
+fluence-keypair = { version = "0.8.1", path = "../keypair" }
 marine-rs-sdk = { version = "0.6.14", features = ["logger"] }
 marine-sqlite-connector = "0.5.2"