diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8e7e289..7133743 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -40,7 +40,7 @@ jobs:
     strategy:
       fail-fast: false  # If one platform fails, allow the rest to keep testing.
       matrix:
-        python-version: [3.6, 3.7, 3.8, 3.9, "3.10"]
+        python-version: [3.7, 3.8, 3.9, "3.10"]
         platform: [
           { os: "macOS-latest",   python-architecture: "x64", rust-target: "x86_64-apple-darwin" },
           { os: "ubuntu-latest", python-architecture: "x64", rust-target: "x86_64-unknown-linux-gnu" },
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5d939e3..81d58d8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.16.0 - 2022-03-06
+
+- Update to PyO3 0.16
+
 ## 0.15.0 - 2021-11-12
 
 - Update to PyO3 0.15
diff --git a/Cargo.toml b/Cargo.toml
index 5decd47..bd167d9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pythonize"
-version = "0.15.0"
+version = "0.16.0"
 authors = ["David Hewitt <1939362+davidhewitt@users.noreply.github.com>"]
 edition = "2018"
 license = "MIT"
@@ -19,5 +19,3 @@ serde = { version = "1.0", default-features = false, features = ["derive"] }
 pyo3 = { version = "0.16.0", default-features = false, features = ["auto-initialize", "macros", "pyproto"] }
 serde_json = "1.0"
 maplit = "1.0.2"
-
-