diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9d3c821d..9c8c9a25 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,30 @@
 
 ## Unreleased
 
+## [0.12.0] - 2026-10-15
+
+### What's Changed
+
+* ci: add Windows ARM64 wheels by @ndabas in https://github.com/developmentseed/obstore/pull/775
+* fix: raise UnsupportedOperation exception in fsspec.BufferedFile impl by @RacleRay in https://github.com/developmentseed/obstore/pull/769
+* test: use pgsty/silo image for MinIO test fixture by @kylebarron in https://github.com/developmentseed/obstore/pull/783
+* fix: detach from the interpreter while creating a list stream by @kylebarron in https://github.com/developmentseed/obstore/pull/787
+* docs: use pgsty/silo image in MinIO example by @kylebarron in https://github.com/developmentseed/obstore/pull/784
+* fix(pyo3-bytes): don't panic on `b"" in Bytes` or a huge `Bytes * n` by @kylebarron in https://github.com/developmentseed/obstore/pull/788
+* feat!: build abi3t wheels for Python 3.15+ and drop Python 3.10 by @kylebarron in https://github.com/developmentseed/obstore/pull/792
+* chore(pyo3-bytes): Bump to pyo3 0.30 and prepare 0.8 release by @kylebarron in https://github.com/developmentseed/obstore/pull/796
+* fix: strip prefix from `get_opts` result in `MaybePrefixedStore` by @blinkybool in https://github.com/developmentseed/obstore/pull/745
+* chore(pyo3-object_store): Bump to pyo3 0.30 and prepare 0.13 release by @kylebarron in https://github.com/developmentseed/obstore/pull/797
+* chore: Bump obstore to pyo3 0.30 by @kylebarron in https://github.com/developmentseed/obstore/pull/798
+
+### New Contributors
+
+* @ndabas made their first contribution in https://github.com/developmentseed/obstore/pull/775
+* @RacleRay made their first contribution in https://github.com/developmentseed/obstore/pull/769
+* @blinkybool made their first contribution in https://github.com/developmentseed/obstore/pull/745
+
+**Full Changelog**: https://github.com/developmentseed/obstore/compare/py-v0.11.1...py-v0.12.0
+
 ## [0.11.1] - 2026-08-21
 
 ### What's Changed
diff --git a/Cargo.lock b/Cargo.lock
index 85fbfd81..5a2d9ed0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1464,7 +1464,7 @@ dependencies = [
 
 [[package]]
 name = "obstore"
-version = "0.11.1"
+version = "0.12.0"
 dependencies = [
  "arrow",
  "bytes",
diff --git a/obstore/Cargo.toml b/obstore/Cargo.toml
index 16226a3e..4e30c884 100644
--- a/obstore/Cargo.toml
+++ b/obstore/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "obstore"
-version = "0.11.1"
+version = "0.12.0"
 authors = { workspace = true }
 edition = { workspace = true }
 description = "The simplest, highest-throughput interface to Amazon S3, Google Cloud Storage, Azure Blob Storage, and S3-compliant APIs like Cloudflare R2."