diff --git a/Cargo.toml b/Cargo.toml
index ad12b3e0..2a6a5cc7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "python-zstandard"
-version = "0.20.0-pre"
+version = "0.20.0"
 authors = ["Gregory Szorc <gregory.szorc@gmail.com>"]
 edition = "2021"
 license = "BSD-3-Clause"
diff --git a/c-ext/python-zstandard.h b/c-ext/python-zstandard.h
index 76693be9..c2e0efa8 100644
--- a/c-ext/python-zstandard.h
+++ b/c-ext/python-zstandard.h
@@ -31,7 +31,7 @@
 
 /* Remember to change the string in zstandard/__init__.py, rust-ext/src/lib.rs,
    and debian/changelog as well */
-#define PYTHON_ZSTANDARD_VERSION "0.20.0.dev0"
+#define PYTHON_ZSTANDARD_VERSION "0.20.0"
 
 typedef enum {
     compressorobj_flush_finish,
diff --git a/debian/changelog b/debian/changelog
index 8f12dc95..d533fd24 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,8 +1,8 @@
-python-zstandard (0.20.0~dev0-1) unstable; urgency=low
+python-zstandard (0.20.0) unstable; urgency=low
 
   * New version.
 
- -- Gregory Szorc <gregory.szorc@gmail.com>  Tue, 21 Jun 2022 18:05:00 -0700
+ -- Gregory Szorc <gregory.szorc@gmail.com>  Mon, 20 Feb 2023 13:00:00 -0700
 
 python-zstandard (0.19.0) unstable; urgency=low
 
diff --git a/docs/news.rst b/docs/news.rst
index 8726aafa..44a9e9d4 100644
--- a/docs/news.rst
+++ b/docs/news.rst
@@ -45,8 +45,8 @@ Other Actions Not Blocking Release
 * API for ensuring max memory ceiling isn't exceeded.
 * Move off nose for testing.
 
-0.20.0 (not yet released)
-=========================
+0.20.0 (released 2023-02-20)
+============================
 
 Backwards Compatibility Notes
 -----------------------------
diff --git a/rust-ext/src/lib.rs b/rust-ext/src/lib.rs
index 5b41816d..d2d6ba33 100644
--- a/rust-ext/src/lib.rs
+++ b/rust-ext/src/lib.rs
@@ -32,7 +32,7 @@ use exceptions::ZstdError;
 
 // Remember to change the string in c-ext/python-zstandard.h, zstandard/__init__.py,
 // and debian/changelog as well.
-const VERSION: &'static str = "0.20.0.dev0";
+const VERSION: &'static str = "0.20.0";
 
 #[pymodule]
 fn backend_rust(py: Python, module: &PyModule) -> PyResult<()> {
diff --git a/tests/test_module_attributes.py b/tests/test_module_attributes.py
index 7da7020c..a540bfe0 100644
--- a/tests/test_module_attributes.py
+++ b/tests/test_module_attributes.py
@@ -7,7 +7,7 @@ class TestModuleAttributes(unittest.TestCase):
     def test_version(self):
         self.assertEqual(zstd.ZSTD_VERSION, (1, 5, 4))
 
-        self.assertEqual(zstd.__version__, "0.20.0.dev0")
+        self.assertEqual(zstd.__version__, "0.20.0")
 
     def test_features(self):
         self.assertIsInstance(zstd.backend_features, set)
diff --git a/zstandard/__init__.py b/zstandard/__init__.py
index e40c2307..7fe82db0 100644
--- a/zstandard/__init__.py
+++ b/zstandard/__init__.py
@@ -80,7 +80,7 @@
     )
 
 # Keep this in sync with python-zstandard.h, rust-ext/src/lib.rs, and debian/changelog.
-__version__ = "0.20.0.dev0"
+__version__ = "0.20.0"
 
 _MODE_CLOSED = 0
 _MODE_READ = 1