diff --git a/docs/release.rst b/docs/release.rst
index 861fd54621..b764f03a3c 100644
--- a/docs/release.rst
+++ b/docs/release.rst
@@ -36,7 +36,7 @@ Maintenance
   ``zarr-python`` if you can install it, but to reduce our maintenance
   burden we will no longer run our compatibility tests for it.
   By :user:`David Stansby <dstansby>` (:issue:`2344`).
-* Excluded version 0.14.0 of numcodecs, due to a bug in the implementation of
+* Excluded versions 0.14.0 and 0.14.1 of numcodecs, due to a bug in the implementation of
   the Delta filter (see https://github.com/zarr-developers/numcodecs/issues/653 for more information).
   By :user:`David Stansby <dstansby>` (:issue:`2544`).
 
diff --git a/pyproject.toml b/pyproject.toml
index c9a929d7e5..05afb1c41b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ dependencies = [
     'asciitree',
     'numpy>=1.24',
     'fasteners; sys_platform != "emscripten"',
-    'numcodecs>=0.10.0,!=0.14.0',
+    'numcodecs>=0.10.0,!=0.14.0,!=0.14.1',
 ]
 dynamic = ["version"]
 classifiers = [
@@ -42,7 +42,7 @@ docs = [
     'sphinx-copybutton',
     'pydata-sphinx-theme',
     'numpydoc',
-    'numcodecs[msgpack]!=0.14.0',
+    'numcodecs[msgpack]!=0.14.0,!=0.14.1',
     'pytest-doctestplus',
 ]