diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 2ade684f5..7d7012b5b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -4,6 +4,7 @@ on:
   push:
     branches:
       - main
+      - release-0.12
   pull_request:
   workflow_dispatch:
 
diff --git a/Cargo.lock b/Cargo.lock
index 1e7749082..ebf4099a1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -311,9 +311,9 @@ dependencies = [
 
 [[package]]
 name = "cbindgen"
-version = "0.24.2"
+version = "0.24.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "30d7a0c9cbd32a86bd907051146240f6c69a96fa2a837ac84ad884b791cf1d37"
+checksum = "a6358dedf60f4d9b8db43ad187391afe959746101346fe51bb978126bec61dfb"
 dependencies = [
  "heck",
  "indexmap",
@@ -341,7 +341,7 @@ checksum = "25f6cc832d96f9961bfe67da666f1fb96387305d385db5222cbb7bce21121016"
 dependencies = [
  "byteorder",
  "fnv",
- "uuid 1.1.1",
+ "uuid 1.1.2",
 ]
 
 [[package]]
@@ -383,16 +383,16 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "3.1.18"
+version = "3.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2dbdf4bdacb33466e854ce889eee8dfd5729abf7ccd7664d0a2d60cd384440b"
+checksum = "6d20de3739b4fb45a17837824f40aa1769cc7655d7a83e68739a77fe7b30c87a"
 dependencies = [
  "atty",
  "bitflags",
  "clap_derive",
  "clap_lex",
  "indexmap",
- "lazy_static",
+ "once_cell",
  "strsim",
  "termcolor",
  "terminal_size",
@@ -401,18 +401,18 @@ dependencies = [
 
 [[package]]
 name = "clap_complete"
-version = "3.1.4"
+version = "3.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da92e6facd8d73c22745a5d3cbb59bdf8e46e3235c923e516527d8e81eec14a4"
+checksum = "0f6ebaab5f25e4f0312dfa07cb30a755204b96e6531457c2cfdecfdf5f2adf40"
 dependencies = [
  "clap",
 ]
 
 [[package]]
 name = "clap_complete_fig"
-version = "3.1.5"
+version = "3.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3918ed0e233c37ab6055a2dc4b2bad2e113d44f56675e0140936b9bd253e4505"
+checksum = "1b699eac6317ff40f7126e1e32e670dd797f2452f2ea0b20821b74b9f71870c9"
 dependencies = [
  "clap",
  "clap_complete",
@@ -420,9 +420,9 @@ dependencies = [
 
 [[package]]
 name = "clap_derive"
-version = "3.1.18"
+version = "3.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25320346e922cffe59c0bbc5410c8d8784509efb321488971081313cb1e1a33c"
+checksum = "026baf08b89ffbd332836002ec9378ef0e69648cbfadd68af7cd398ca5bf98f7"
 dependencies = [
  "heck",
  "proc-macro-error",
@@ -433,9 +433,9 @@ dependencies = [
 
 [[package]]
 name = "clap_lex"
-version = "0.2.0"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a37c35f1112dad5e6e0b1adaff798507497a18fceeb30cceb3bae7d1427b9213"
+checksum = "5538cd660450ebeb4234cfecf8f2284b844ffc4c50531e66d584ad5b91293613"
 dependencies = [
  "os_str_bytes",
 ]
@@ -972,9 +972,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.6"
+version = "0.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9be70c98951c83b8d2f8f60d7065fa6d5146873094452a1008da8c2f1e4205ad"
+checksum = "4eb1a864a501629691edf6c15a593b7a51eebaa1e8468e9ddc623de7c9b58ec6"
 dependencies = [
  "cfg-if 1.0.0",
  "libc",
@@ -995,9 +995,9 @@ checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
 
 [[package]]
 name = "globset"
-version = "0.4.8"
+version = "0.4.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "10463d9ff00a2a068db14231982f5132edebad0d7660cd956a1c30292dbcbfbd"
+checksum = "0a1e17342619edbc21a964c2afbeb6c820c6a2560032872f397bb97ea127bd0a"
 dependencies = [
  "aho-corasick",
  "bstr",
@@ -1164,9 +1164,9 @@ checksum = "112c678d4050afce233f4f2852bb2eb519230b3cf12f33585275537d7e41578d"
 
 [[package]]
 name = "js-sys"
-version = "0.3.57"
+version = "0.3.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "671a26f820db17c2a2750743f1dd03bafd15b98c9f30c7c2628c024c05d73397"
+checksum = "c3fac17f7123a73ca62df411b1bf727ccc805daa070338fda671c86dac1bdc27"
 dependencies = [
  "wasm-bindgen",
 ]
@@ -1259,7 +1259,7 @@ checksum = "a3e378b66a060d48947b590737b30a1be76706c8dd7b8ba0f2fe3989c68a853f"
 
 [[package]]
 name = "maturin"
-version = "0.12.19"
+version = "0.12.20"
 dependencies = [
  "anyhow",
  "base64",
@@ -1371,7 +1371,7 @@ dependencies = [
  "byteorder",
  "cfb",
  "encoding",
- "uuid 1.1.1",
+ "uuid 1.1.2",
 ]
 
 [[package]]
@@ -2108,9 +2108,9 @@ dependencies = [
 
 [[package]]
 name = "semver"
-version = "1.0.9"
+version = "1.0.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8cb243bdfdb5936c8dc3c45762a19d12ab4550cdc753bc247637d4ec35a040fd"
+checksum = "a41d061efea015927ac527063765e73601444cdc344ba855bc7bd44578b25e1c"
 dependencies = [
  "serde",
 ]
@@ -2417,9 +2417,9 @@ dependencies = [
 
 [[package]]
 name = "tracing"
-version = "0.1.34"
+version = "0.1.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d0ecdcb44a79f0fe9844f0c4f33a342cbcbb5117de8001e6ba0dc2351327d09"
+checksum = "a400e31aa60b9d44a52a8ee0343b5b18566b03a8321e0d321f695cf56e940160"
 dependencies = [
  "cfg-if 1.0.0",
  "pin-project-lite",
@@ -2510,9 +2510,9 @@ checksum = "099b7128301d285f79ddd55b9a83d5e6b9e97c92e0ea0daebee7263e932de992"
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.0"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d22af068fba1eb5edcb4aea19d382b2a3deb4c8f9d475c589b6ada9e0fd493ee"
+checksum = "5bd2fe26506023ed7b5e1e315add59d6f584c621d037f9368fea9cfb988f368c"
 
 [[package]]
 name = "unicode-linebreak"
@@ -2586,9 +2586,9 @@ dependencies = [
 
 [[package]]
 name = "uuid"
-version = "1.1.1"
+version = "1.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c6d5d669b51467dcf7b2f1a796ce0f955f05f01cafda6c19d6e95f730df29238"
+checksum = "dd6469f4314d5f1ffec476e05f17cc9a78bc7a27a6a857842170bdf8d6f98d2f"
 
 [[package]]
 name = "valuable"
@@ -2633,15 +2633,15 @@ dependencies = [
 
 [[package]]
 name = "wasi"
-version = "0.10.2+wasi-snapshot-preview1"
+version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
+checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.80"
+version = "0.2.81"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "27370197c907c55e3f1a9fbe26f44e937fe6451368324e009cba39e139dc08ad"
+checksum = "7c53b543413a17a202f4be280a7e5c62a1c69345f5de525ee64f8cfdbc954994"
 dependencies = [
  "cfg-if 1.0.0",
  "wasm-bindgen-macro",
@@ -2649,9 +2649,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.80"
+version = "0.2.81"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "53e04185bfa3a779273da532f5025e33398409573f348985af9a1cbf3774d3f4"
+checksum = "5491a68ab4500fa6b4d726bd67408630c3dbe9c4fe7bda16d5c82a1fd8c7340a"
 dependencies = [
  "bumpalo",
  "lazy_static",
@@ -2664,9 +2664,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.80"
+version = "0.2.81"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "17cae7ff784d7e83a2fe7611cfe766ecf034111b49deb850a3dc7699c08251f5"
+checksum = "c441e177922bc58f1e12c022624b6216378e5febc2f0533e41ba443d505b80aa"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -2674,9 +2674,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.80"
+version = "0.2.81"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99ec0dc7a4756fffc231aab1b9f2f578d23cd391390ab27f952ae0c9b3ece20b"
+checksum = "7d94ac45fcf608c1f45ef53e748d35660f168490c10b23704c7779ab8f5c3048"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2687,15 +2687,15 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.80"
+version = "0.2.81"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d554b7f530dee5964d9a9468d95c1f8b8acae4f282807e7d27d4b03099a46744"
+checksum = "6a89911bd99e5f3659ec4acf9c4d93b0a90fe4a2a11f15328472058edc5261be"
 
 [[package]]
 name = "web-sys"
-version = "0.3.57"
+version = "0.3.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b17e741662c70c8bd24ac5c5b18de314a2c26c32bf8346ee1e6f53de919c283"
+checksum = "2fed94beee57daf8dd7d51f2b15dc2bcde92d7a72304cdf662a4371008b71b90"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
diff --git a/Cargo.toml b/Cargo.toml
index b6bdac07c..753f11b87 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 authors = ["konstin <konstin@mailbox.org>", "messense <messense@icloud.com>"]
 name = "maturin"
-version = "0.12.19"
+version = "0.12.20"
 description = "Build and publish crates with pyo3, rust-cpython and cffi bindings as well as rust binaries as python packages"
 exclude = ["test-crates/**/*", "sysconfig/*", "test-data/*", "ci/*", "tests/*"]
 homepage = "https://github.com/pyo3/maturin"
diff --git a/Changelog.md b/Changelog.md
index dbf742424..8b554e626 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -8,6 +8,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 
 * **Breaking Change**: Drop support for python 3.6, which is end of life
+
+## [0.12.20] - 2022-06-15
+
 * Fix incompatibility with cibuildwheel for 32-bit Windows in [#951](https://github.com/PyO3/maturin/pull/951)
 * Don't require `pip` error messages to be utf-8 encoding in [#953](https://github.com/PyO3/maturin/pull/953)
 * Compare minimum python version requirement between `requires-python` and bindings crate in [#954](https://github.com/PyO3/maturin/pull/954)
@@ -627,7 +630,8 @@ points-0.1.0-py2.py3-none-manylinux1_x86_64.whl | 2,8M | 752K | 85K
 
  * Initial Release
 
-[Unreleased]: https://github.com/pyo3/maturin/compare/v0.12.19...HEAD
+[Unreleased]: https://github.com/pyo3/maturin/compare/v0.12.20...HEAD
+[0.12.20]: https://github.com/pyo3/maturin/compare/v0.12.19...v0.12.20
 [0.12.19]: https://github.com/pyo3/maturin/compare/v0.12.18...v0.12.19
 [0.12.18]: https://github.com/pyo3/maturin/compare/v0.12.17...v0.12.18
 [0.12.17]: https://github.com/pyo3/maturin/compare/v0.12.16...v0.12.17