diff --git a/.github/workflows/wheel.yaml b/.github/workflows/wheel.yaml
index 24023174..cebd52c9 100644
--- a/.github/workflows/wheel.yaml
+++ b/.github/workflows/wheel.yaml
@@ -26,7 +26,7 @@ jobs:
         with:
           submodules: true
 
-      - uses: pypa/cibuildwheel@v2.21.1
+      - uses: pypa/cibuildwheel@v2.21.2
 
       - uses: actions/upload-artifact@v4
         with:
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index d96231cd..80ec6a54 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -7,7 +7,7 @@ default_language_version:
   python: python3
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: 'v0.6.8'
+    rev: 'v0.6.9'
     hooks:
     - id: ruff
       args: ["--fix", "--show-fixes"]
diff --git a/c-blosc b/c-blosc
index b886c119..616f4b73 160000
--- a/c-blosc
+++ b/c-blosc
@@ -1 +1 @@
-Subproject commit b886c1191e86a5a561e63fb7345ff6c2b283cdac
+Subproject commit 616f4b7343a8479f7e71dd3d7025bd92c9a6bbd0
diff --git a/docs/release.rst b/docs/release.rst
index 96c90bb0..434c811f 100644
--- a/docs/release.rst
+++ b/docs/release.rst
@@ -22,6 +22,9 @@ Breaking changes
 Enhancements
 ~~~~~~~~~~~~
 
+* Update bundled c-blosc to v1.26.1. This updates Zlib to v1.3.1
+  and Zstd to v1.5.6.
+  By :user:`David Stansby <dstansby>`, :issue:`560`.
 
 Fix
 ~~~