diff --git a/Cargo.lock b/Cargo.lock
index 60519cc9..d11b2d91 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -52,7 +52,7 @@ dependencies = [
 
 [[package]]
 name = "age"
-version = "0.8.1"
+version = "0.9.0"
 dependencies = [
  "aes 0.8.1",
  "age-core",
@@ -104,7 +104,7 @@ dependencies = [
 
 [[package]]
 name = "age-core"
-version = "0.8.0"
+version = "0.9.0"
 dependencies = [
  "base64",
  "chacha20poly1305",
@@ -120,7 +120,7 @@ dependencies = [
 
 [[package]]
 name = "age-plugin"
-version = "0.3.0"
+version = "0.4.0"
 dependencies = [
  "age-core",
  "base64",
@@ -1919,7 +1919,7 @@ dependencies = [
 
 [[package]]
 name = "rage"
-version = "0.8.1"
+version = "0.9.0"
 dependencies = [
  "age",
  "chrono",
diff --git a/age-core/CHANGELOG.md b/age-core/CHANGELOG.md
index d33942cd..6085e263 100644
--- a/age-core/CHANGELOG.md
+++ b/age-core/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to Rust's notion of
 to 1.0.0 are beta releases.
 
 ## [Unreleased]
+
+## [0.9.0] - 2022-10-27
 ### Changed
 - MSRV is now 1.59.0.
 - Migrated to `aead 0.5`.
diff --git a/age-core/Cargo.toml b/age-core/Cargo.toml
index d0b98acb..3a06067a 100644
--- a/age-core/Cargo.toml
+++ b/age-core/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "age-core"
 description = "[BETA] Common functions used across the age crates"
-version = "0.8.0"
+version = "0.9.0"
 authors = ["Jack Grigg <thestr4d@gmail.com>"]
 repository = "https://github.com/str4d/rage"
 readme = "README.md"
diff --git a/age-plugin/CHANGELOG.md b/age-plugin/CHANGELOG.md
index a7d3f009..80aff0a3 100644
--- a/age-plugin/CHANGELOG.md
+++ b/age-plugin/CHANGELOG.md
@@ -9,8 +9,11 @@ and this project adheres to Rust's notion of
 to 1.0.0 are beta releases.
 
 ## [Unreleased]
+
+## [0.4.0] - 2022-10-27
 ### Changed
 - MSRV is now 1.59.0.
+- Migrated to `age-core 0.9`.
 
 ## [0.3.0] - 2022-05-02
 ### Added
diff --git a/age-plugin/Cargo.toml b/age-plugin/Cargo.toml
index f62a0677..31643ff9 100644
--- a/age-plugin/Cargo.toml
+++ b/age-plugin/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "age-plugin"
 description = "[BETA] API for writing age plugins."
-version = "0.3.0"
+version = "0.4.0"
 authors = ["Jack Grigg <thestr4d@gmail.com>"]
 repository = "https://github.com/str4d/rage"
 readme = "README.md"
@@ -10,7 +10,7 @@ edition = "2021"
 rust-version = "1.59"
 
 [dependencies]
-age-core = { version = "0.8.0", path = "../age-core", features = ["plugin"] }
+age-core = { version = "0.9.0", path = "../age-core", features = ["plugin"] }
 base64 = "0.13"
 bech32 = "0.9"
 chrono = "0.4"
diff --git a/age/CHANGELOG.md b/age/CHANGELOG.md
index 079832d3..766471c1 100644
--- a/age/CHANGELOG.md
+++ b/age/CHANGELOG.md
@@ -9,6 +9,8 @@ and this project adheres to Rust's notion of
 to 1.0.0 are beta releases.
 
 ## [Unreleased]
+
+## [0.9.0] - 2022-10-27
 ### Added
 - `age::armor::ArmoredReadError`, used to wrap armor-specific read errors inside
   `std::io::Error`.
diff --git a/age/Cargo.toml b/age/Cargo.toml
index 399fa83b..e56e16d8 100644
--- a/age/Cargo.toml
+++ b/age/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "age"
 description = "[BETA] A simple, secure, and modern encryption library."
-version = "0.8.1"
+version = "0.9.0"
 authors = ["Jack Grigg <thestr4d@gmail.com>"]
 repository = "https://github.com/str4d/rage"
 readme = "README.md"
@@ -15,7 +15,7 @@ rust-version = "1.59"
 maintenance = { status = "experimental" }
 
 [dependencies]
-age-core = { version = "0.8.0", path = "../age-core" }
+age-core = { version = "0.9.0", path = "../age-core" }
 
 # Dependencies required by the age specification:
 # - Base64 from RFC 4648
diff --git a/age/README.md b/age/README.md
index e3cc744b..e1eb2a0e 100644
--- a/age/README.md
+++ b/age/README.md
@@ -23,7 +23,7 @@ The reference interoperable Go implementation is available at
 Add this line to your `Cargo.toml`:
 
 ```
-age = "0.8"
+age = "0.9"
 ```
 
 See the [documentation](https://docs.rs/age) for examples.
diff --git a/fuzz-afl/Cargo.lock b/fuzz-afl/Cargo.lock
index 3469c70b..5ea5831e 100644
--- a/fuzz-afl/Cargo.lock
+++ b/fuzz-afl/Cargo.lock
@@ -27,13 +27,12 @@ dependencies = [
 
 [[package]]
 name = "age"
-version = "0.8.1"
+version = "0.9.0"
 dependencies = [
  "age-core",
  "base64",
  "bech32",
  "chacha20poly1305",
- "cipher",
  "cookie-factory",
  "hkdf",
  "hmac",
@@ -54,7 +53,7 @@ dependencies = [
 
 [[package]]
 name = "age-core"
-version = "0.8.0"
+version = "0.9.0"
 dependencies = [
  "base64",
  "chacha20poly1305",
diff --git a/fuzz/Cargo.lock b/fuzz/Cargo.lock
index d873e072..e3b94843 100644
--- a/fuzz/Cargo.lock
+++ b/fuzz/Cargo.lock
@@ -14,13 +14,12 @@ dependencies = [
 
 [[package]]
 name = "age"
-version = "0.8.1"
+version = "0.9.0"
 dependencies = [
  "age-core",
  "base64",
  "bech32",
  "chacha20poly1305",
- "cipher",
  "cookie-factory",
  "hkdf",
  "hmac",
@@ -41,7 +40,7 @@ dependencies = [
 
 [[package]]
 name = "age-core"
-version = "0.8.0"
+version = "0.9.0"
 dependencies = [
  "base64",
  "chacha20poly1305",
diff --git a/rage/CHANGELOG.md b/rage/CHANGELOG.md
index 2bfb337a..982ec8cb 100644
--- a/rage/CHANGELOG.md
+++ b/rage/CHANGELOG.md
@@ -9,6 +9,8 @@ and this project adheres to Rust's notion of
 to 1.0.0 are beta releases.
 
 ## [Unreleased]
+
+## [0.9.0] - 2022-10-27
 ### Changed
 - MSRV is now 1.59.0.
 
diff --git a/rage/Cargo.toml b/rage/Cargo.toml
index 9734e211..54cb0d06 100644
--- a/rage/Cargo.toml
+++ b/rage/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "rage"
 description = "[BETA] A simple, secure, and modern encryption tool."
-version = "0.8.1"
+version = "0.9.0"
 authors = ["Jack Grigg <thestr4d@gmail.com>"]
 repository = "https://github.com/str4d/rage"
 readme = "../README.md"
@@ -54,7 +54,7 @@ maintenance = { status = "experimental" }
 
 [dependencies]
 # rage and rage-keygen dependencies
-age = { version = "0.8.1", path = "../age", features = ["armor", "cli-common", "plugin"] }
+age = { version = "0.9.0", path = "../age", features = ["armor", "cli-common", "plugin"] }
 chrono = "0.4"
 console = { version = "0.15", default-features = false }
 env_logger = "0.9"