diff --git a/pyproject.toml b/pyproject.toml
index 02789ba0b7..cd5c1e4924 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,!=0.14.1,<0.16',
+    'numcodecs>=0.10.0,!=0.14.0,!=0.14.1,<0.17',
 ]
 dynamic = ["version"]
 classifiers = [
@@ -42,7 +42,7 @@ docs = [
     'sphinx-copybutton',
     'pydata-sphinx-theme',
     'numpydoc',
-    'numcodecs[msgpack]!=0.14.0,!=0.14.1,<0.16',
+    'numcodecs[msgpack]!=0.14.0,!=0.14.1,<0.17',
     'pytest-doctestplus',
 ]
 
diff --git a/requirements_dev_minimal.txt b/requirements_dev_minimal.txt
index c0adc1d569..b9c7f51b11 100644
--- a/requirements_dev_minimal.txt
+++ b/requirements_dev_minimal.txt
@@ -1,7 +1,7 @@
 # library requirements
 asciitree==0.3.3
 fasteners==0.19
-numcodecs==0.15.1
+numcodecs==0.16.0
 msgpack-python==0.5.6
 setuptools-scm==8.2.0
 # test requirements
diff --git a/requirements_dev_optional.txt b/requirements_dev_optional.txt
index 3a97f59ae8..986ca50043 100644
--- a/requirements_dev_optional.txt
+++ b/requirements_dev_optional.txt
@@ -3,12 +3,12 @@
 lmdb==1.6.2; sys_platform != 'win32'
 # optional library requirements for Jupyter
 ipytree==0.2.2
-ipywidgets==8.1.5
+ipywidgets==8.1.6
 azure-storage-blob==12.24.1
 redis==5.2.1
 types-redis
 types-setuptools
-pymongo==4.11.3
+pymongo==4.12.0
 # optional test requirements
 coverage
 pytest-cov==6.1.1