diff --git a/HISTORY.md b/HISTORY.md
index af273103..defed8da 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,6 +1,6 @@
 # History
 
-## 23.1.2 (UNRELEASED)
+## 23.1.2 (2023-06-02)
 - Improve `typing_extensions` version bound. ([#372](https://github.com/python-attrs/cattrs/issues/372))
 
 ## 23.1.1 (2023-05-30)
diff --git a/poetry.lock b/poetry.lock
index 658913ff..38ca6bfd 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.4.2 and should not be changed by hand.
 
 [[package]]
 name = "alabaster"
@@ -1866,4 +1866,4 @@ ujson = ["ujson"]
 [metadata]
 lock-version = "2.0"
 python-versions = ">= 3.7"
-content-hash = "23f865b923ec3185ea66ac9b24ebd0f2f5e65e516eddac1d6eec0c92914e11fe"
+content-hash = "c044c4c7d06cbaeafb033d4371e099731a0d56d18740b90ea324a3ae9aca5d2e"
diff --git a/pyproject.toml b/pyproject.toml
index ed0a6c23..1f9ee86a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ known_first_party = ["cattr"]
 
 [tool.poetry]
 name = "cattrs"
-version = "23.1.2.dev0"
+version = "23.1.2"
 description = "Composable complex class support for attrs and dataclasses."
 authors = ["Tin Tvrtkovic <tinchester@gmail.com>"]
 license = "MIT"