diff --git a/dev-requirements.txt b/dev-requirements.txt
index 92cac9fc1..8e19e3d78 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -19,7 +19,7 @@ bluesky-kafka==0.10.0
 bluesky-live==0.0.8
 bluesky-stomp==0.1.4
 boltons==25.0.0
-cachetools==5.5.1
+cachetools==5.5.2
 caproto==1.1.1
 certifi==2025.1.31
 cffi==1.17.1
@@ -33,7 +33,7 @@ comm==0.2.2
 compress-pickle==2.1.0
 confluent-kafka==2.8.0
 contourpy==1.3.1
-copier==9.4.1
+copier==9.5.0
 coverage==7.6.12
 crc32c==2.7.1
 cryptography==44.0.1
@@ -41,7 +41,7 @@ cycler==0.12.1
 dask==2025.2.0
 databroker==1.2.5
 dataclasses-json==0.6.7
-decorator==5.1.1
+decorator==5.2.0
 deepdiff==8.2.0
 deepmerge==2.0
 Deprecated==1.2.18
@@ -56,7 +56,7 @@ dunamai==1.23.0
 email_validator==2.2.0
 entrypoints==0.4
 epicscorelibs==7.0.7.99.1.1
-event-model==1.22.1
+event-model==1.22.3
 executing==2.2.0
 fastapi==0.115.8
 fastapi-cli==0.0.7
@@ -69,25 +69,25 @@ fsspec==2025.2.0
 funcy==2.0
 gitdb==4.0.12
 GitPython==3.1.44
-googleapis-common-protos==1.67.0
+googleapis-common-protos==1.68.0
 graypy==2.1.0
 grpcio==1.70.0
 h11==0.14.0
-h5py==3.12.1
+h5py==3.13.0
 HeapDict==1.0.1
 historydict==1.2.6
 httpcore==1.0.7
 httptools==0.6.4
 httpx==0.28.1
-humanize==4.11.0
-identify==2.6.7
+humanize==4.12.1
+identify==2.6.8
 idna==3.10
 imageio==2.37.0
 imagesize==1.4.1
-importlib_metadata==8.5.0
+importlib_metadata==8.6.1
 importlib_resources==6.5.2
 iniconfig==2.0.0
-intake==0.6.4
+intake==2.0.8
 ipython==8.32.0
 ipywidgets==8.1.5
 itsdangerous==2.2.0
@@ -109,7 +109,7 @@ matplotlib==3.10.0
 matplotlib-inline==0.1.7
 mdit-py-plugins==0.4.2
 mdurl==0.1.2
-mistune==3.1.1
+mistune==3.1.2
 mock==5.1.0
 mongoquery==1.4.2
 msgpack==1.1.0
@@ -122,7 +122,7 @@ nodeenv==1.9.1
 nose2==0.15.1
 nslsii==0.10.7
 numcodecs==0.15.1
-numpy==1.26.4
+numpy==2.2.3
 observability-utils==0.1.4
 opencv-python==4.11.0.86
 opencv-python-headless==4.11.0.86
@@ -164,7 +164,7 @@ ply==3.11
 pre_commit==4.1.0
 prettytable==3.14.0
 prompt_toolkit==3.0.50
-propcache==0.2.1
+propcache==0.3.0
 protobuf==5.29.3
 psutil==7.0.0
 ptyprocess==0.7.0
@@ -176,9 +176,9 @@ pycparser==2.22
 pycryptodome==3.21.0
 pydantic==2.10.6
 pydantic-extra-types==2.10.2
-pydantic-settings==2.7.1
-pydantic_core==2.27.2
-pydantic_numpy==5.0.2
+pydantic-settings==2.8.0
+pydantic_core==2.29.0
+pydantic_numpy==8.0.1
 pydata-sphinx-theme==0.16.1
 pyepics==3.5.7
 Pygments==2.19.1
@@ -203,10 +203,10 @@ requests==2.32.3
 responses==0.25.6
 rich==13.9.4
 rich-toolkit==0.13.2
-rpds-py==0.22.3
+rpds-py==0.23.1
 ruamel.yaml==0.18.10
 ruamel.yaml.clib==0.2.12
-ruff==0.9.6
+ruff==0.9.7
 scanspec==0.7.8
 semver==3.0.4
 setuptools-dso==2.11
@@ -218,7 +218,7 @@ smmap==5.0.2
 sniffio==1.3.1
 snowballstemmer==2.2.0
 soupsieve==2.6
-Sphinx==8.1.3
+Sphinx==8.2.1
 sphinx-autobuild==2024.10.3
 sphinx-click==6.0.0
 sphinx-copybutton==0.5.2
@@ -233,15 +233,15 @@ sphinxcontrib-openapi==0.8.4
 sphinxcontrib-qthelp==2.0.0
 sphinxcontrib-serializinghtml==2.0.0
 stack-data==0.6.3
-starlette==0.45.3
+starlette==0.46.0
 stomp.py==8.2.0
 suitcase-mongo==0.7.0
 suitcase-msgpack==0.3.0
 suitcase-utils==0.5.4
 super-state-machine==2.0.2
-tifffile==2025.1.10
+tifffile==2025.2.18
 toolz==1.0.0
-tox==3.28.0
+tox==4.24.1
 tox-direct==0.4
 tqdm==4.67.1
 traitlets==5.14.3
@@ -262,13 +262,13 @@ virtualenv==20.29.2
 watchfiles==1.0.4
 wcwidth==0.2.13
 websocket-client==1.8.0
-websockets==14.2
+websockets==15.0
 widgetsnbextension==4.0.13
 workflows==3.1
 wrapt==1.17.2
 xarray==2025.1.2
 yarl==1.18.3
-zarr==3.0.2
-zict==2.2.0
+zarr==3.0.4
+zict==3.0.0
 zipp==3.21.0
 zocalo==1.2.0
diff --git a/pyproject.toml b/pyproject.toml
index 00d2f23c8..e2d3fe0cf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,7 +32,7 @@ dependencies = [
     "super-state-machine",  # https://github.com/DiamondLightSource/blueapi/issues/553
     "GitPython",
     "bluesky-stomp>=0.1.4",
-    "event-model==1.22.1",    # https://github.com/DiamondLightSource/blueapi/issues/684
+    "event-model==1.22.3",    # https://github.com/DiamondLightSource/blueapi/issues/684
     "opentelemetry-distro>=0.48b0",
     "opentelemetry-instrumentation-fastapi>=0.48b0",
     "observability-utils>=0.1.4",