diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 7e8acac..d9ffea2 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
 -   repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.4.0
+    rev: v4.5.0
     hooks:
     -   id: trailing-whitespace
     -   id: end-of-file-fixer
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 36d5aeb..c1daaba 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,27 @@
+4.5.0 - 2023-10-07
+==================
+
+### Features
+- `requirements-txt-fixer`: also sort `constraints.txt` by default.
+    - #857 PR by @lev-blit.
+    - #830 issue by @PLPeeters.
+- `debug-statements`: add `bpdb` debugger.
+    - #942 PR by @mwip.
+    - #941 issue by @mwip.
+
+### Fixes
+- `file-contents-sorter`: fix sorting an empty file.
+    - #944 PR by @RoelAdriaans.
+    - #935 issue by @paduszyk.
+- `double-quote-string-fixer`: don't rewrite inside f-strings in 3.12+.
+    - #973 PR by @asottile.
+    - #971 issue by @XuehaiPan.
+
+## Migrating
+- now requires python >= 3.8.
+    - #926 PR by @asottile.
+    - #927 PR by @asottile.
+
 4.4.0 - 2022-11-23
 ==================
 
diff --git a/README.md b/README.md
index 5089227..9ae7ec5 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@
 
 ```yaml
 -   repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.4.0  # Use the ref you want to point at
+    rev: v4.5.0  # Use the ref you want to point at
     hooks:
     -   id: trailing-whitespace
     # -   id: ...
diff --git a/setup.cfg b/setup.cfg
index b72aa64..6a4c459 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = pre_commit_hooks
-version = 4.4.0
+version = 4.5.0
 description = Some out-of-the-box hooks for pre-commit.
 long_description = file: README.md
 long_description_content_type = text/markdown