diff --git a/Makefile b/Makefile
index a41b83d..b8a65e1 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 lock:
-	docker pull gitlab-registry.cern.ch/atlas/athena/analysisbase:25.2.2
+	docker pull gitlab-registry.cern.ch/atlas/athena/analysisbase:25.2.27
 	docker build \
 		--file docker/Dockerfile.lockfile-builder \
-		--build-arg BASE_IMAGE=gitlab-registry.cern.ch/atlas/athena/analysisbase:25.2.2 \
+		--build-arg BASE_IMAGE=gitlab-registry.cern.ch/atlas/athena/analysisbase:25.2.27 \
 		--tag tmp/analysisbase:rel25-lockfile-builder \
 		docker
 	docker run \
@@ -19,10 +19,10 @@ lock:
 			rm -r venv'
 
 build:
-	docker pull gitlab-registry.cern.ch/atlas/athena/analysisbase:25.2.2
+	docker pull gitlab-registry.cern.ch/atlas/athena/analysisbase:25.2.27
 	docker build \
 		--file docker/Dockerfile \
-		--build-arg BASE_IMAGE=gitlab-registry.cern.ch/atlas/athena/analysisbase:25.2.2 \
+		--build-arg BASE_IMAGE=gitlab-registry.cern.ch/atlas/athena/analysisbase:25.2.27 \
 		--tag sslhep/analysis-dask-base:debug \
 		.
 
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 514d594..7b906b2 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,4 +1,4 @@
-ARG BASE_IMAGE=gitlab-registry.cern.ch/atlas/athena/analysisbase:25.2.2
+ARG BASE_IMAGE=gitlab-registry.cern.ch/atlas/athena/analysisbase:25.2.27
 FROM ${BASE_IMAGE} as base
 
 SHELL [ "/bin/bash", "-c" ]
diff --git a/docker/Dockerfile.lockfile-builder b/docker/Dockerfile.lockfile-builder
index d8eb07c..84320dc 100644
--- a/docker/Dockerfile.lockfile-builder
+++ b/docker/Dockerfile.lockfile-builder
@@ -1,4 +1,4 @@
-ARG BASE_IMAGE=gitlab-registry.cern.ch/atlas/athena/analysisbase:25.2.2
+ARG BASE_IMAGE=gitlab-registry.cern.ch/atlas/athena/analysisbase:25.2.27
 FROM ${BASE_IMAGE} as base
 
 SHELL [ "/bin/bash", "-c" ]
diff --git a/docker/requirements.lock b/docker/requirements.lock
index b2e0277..0af5b75 100644
--- a/docker/requirements.lock
+++ b/docker/requirements.lock
@@ -168,10 +168,6 @@ async-lru==2.0.4 \
     --hash=sha256:b8a59a5df60805ff63220b2a0c5b5393da5521b113cd5465a44eb037d81a5627 \
     --hash=sha256:ff02944ce3c288c5be660c42dbcca0742b32c3b279d6dceda655190240b99224
     # via jupyterlab
-async-timeout==4.0.3 \
-    --hash=sha256:4640d96be84d82d02ed59ea2b7105a0f7b33abe8703703cd0ab0bf87c427522f \
-    --hash=sha256:7405140ff1230c310e51dc27b3145b9092d659ce68ff733fb0cefe3ee42be028
-    # via aiohttp
 asyncache==0.3.1 \
     --hash=sha256:9a1e60a75668e794657489bdea6540ee7e3259c483517b934670db7600bf5035 \
     --hash=sha256:ef20a1024d265090dd1e0785c961cf98b9c32cc7d9478973dcf25ac1b80011f5
@@ -854,10 +850,7 @@ distributed==2024.4.2 \
 exceptiongroup==1.2.2 \
     --hash=sha256:3111b9d131c238bec2f8f516e123e14ba243563fb135d3fe885990585aa7795b \
     --hash=sha256:47c2edf7c6738fafb49fd34290706d1a1a2f4d1c6df275526b62cbb4aa5393cc
-    # via
-    #   anyio
-    #   ipython
-    #   kr8s
+    # via kr8s
 executing==2.1.0 \
     --hash=sha256:8d63781349375b5ebccc3142f4b30350c0cd9c79f921cde38be2be4637e98eaf \
     --hash=sha256:8ea27ddd260da8150fa5a708269c4a10e76161e2496ec3e587da9e3c0fe4b9ab
@@ -1092,17 +1085,6 @@ importlib-metadata==8.4.0 \
     # via
     #   awkward
     #   dask
-    #   jupyter-client
-    #   jupyter-lsp
-    #   jupyter-server-proxy
-    #   jupyterlab
-    #   jupyterlab-server
-    #   nbconvert
-    #   servicex
-importlib-resources==6.4.4 \
-    --hash=sha256:20600c8b7361938dc0bb2d5ec0297802e575df486f5a544fa414da65e13721f7 \
-    --hash=sha256:dda242603d1c9cd836c3368b1174ed74cb4049ecd209e7a1a0104620c18c5c11
-    # via matplotlib
 ipykernel==6.29.5 \
     --hash=sha256:afdb66ba5aa354b09b91379bac28ae4afebbb30e8b39510c9690afb7a10421b5 \
     --hash=sha256:f093a22c4a40f8828f8e330a9c297cb93dcab13bd9678ded6de8e5cf81c56215
@@ -2796,10 +2778,6 @@ toml==0.10.2 \
     # via
     #   coffea
     #   jupytext
-tomli==2.0.1 \
-    --hash=sha256:939de3e7a6161af0c887ef91b7d41a53e7c5a1ca976325f429cb46ea9bc30ecc \
-    --hash=sha256:de526c12914f0c550d15924c62d72abc48d6fe7364aa87328337a31007fe8a4f
-    # via jupyterlab
 toolz==0.12.1 \
     --hash=sha256:d22731364c07d72eea0a0ad45bafb2c2937ab6fd38a3507bf55eae8744aa7d85 \
     --hash=sha256:ecca342664893f177a13dac0e6b41cbd8ac25a358e5f215316d43e2100224f4d
@@ -2869,18 +2847,11 @@ typing-extensions==4.12.2 \
     --hash=sha256:04e5ca0351e0f3f85c6853954072df659d0d13fac324d0072316b67d7794700d \
     --hash=sha256:1a7ead55c7e559dd4dee8856e3a88b41225abfe1ce8df57b7c13915fe121ffb8
     # via
-    #   anyio
-    #   async-lru
-    #   awkward
     #   dask-awkward
-    #   hist
-    #   ipython
     #   kopf
     #   pydantic
     #   pydantic-core
-    #   servicex
     #   typer
-    #   uproot
 tzdata==2024.1 \
     --hash=sha256:2674120f8d891909751c38abcdfd386ac0a5a1127954fbc332af6b5ceae07efd \
     --hash=sha256:9068bc196136463f5245e51efda838afa15aaeca9903f49050dfa2679db4d252
@@ -3058,9 +3029,7 @@ zict==3.0.0 \
 zipp==3.20.1 \
     --hash=sha256:9960cd8967c8f85a56f920d5d507274e74f9ff813a0ab8889a5b5be2daf44064 \
     --hash=sha256:c22b14cc4763c5a5b04134207736c107db42e9d3ef2d9779d465f5f1bcba572b
-    # via
-    #   importlib-metadata
-    #   importlib-resources
+    # via importlib-metadata
 zstandard==0.23.0 \
     --hash=sha256:034b88913ecc1b097f528e42b539453fa82c3557e414b3de9d5632c80439a473 \
     --hash=sha256:0a7f0804bb3799414af278e9ad51be25edf67f78f916e08afdb983e74161b916 \