diff --git a/.github/renovate.json b/.github/renovate.json
index c54154b..0b3e5d8 100644
--- a/.github/renovate.json
+++ b/.github/renovate.json
@@ -5,7 +5,7 @@
     "helpers:pinGitHubActionDigestsToSemver"
   ],
   "timezone": "Europe/London",
-  "schedule": ["after 9am and before 5pm every weekday"],
+  "schedule": ["after 5am and before 5pm every weekday"],
   "dependencyDashboard": true,
   "assignees": ["jimboid"],
   "minimumReleaseAge": "3 days",
@@ -15,5 +15,34 @@
       "groupName": "GitHub Actions",
       "addLabels": ["ci", "dependencies"]
     }
+  ],
+  "customManagers": [
+    {
+      "customType": "regex",
+      "managerFilePatterns": [
+        "/(^|/)Dockerfile[^/]*$/"
+      ],
+      "matchStringsStrategy": "recursive",
+      "matchStrings": [
+        "pip3? install[\\s\\S]*?(?<packages>(?:[\\w.-]+==[\\w.-]+[\\s\\\\]*)+)",
+        "(?<depName>[\\w.-]+)==(?<currentValue>[\\w.-]+)"
+      ],
+      "datasourceTemplate": "pypi",
+      "versioningTemplate": "pep440"
+    },
+    {
+      "customType": "regex",
+      "managerFilePatterns": [
+        "/(^|/)Dockerfile[^/]*$/"
+      ],
+      "matchStringsStrategy": "recursive",
+      "matchStrings": [
+        "(?:mamba|conda) install[\\s\\S]*?(?<packages>(?:(?:[\\w-]+::)?[\\w.-]+=[\\w.-]+[\\s\\\\]*)+)",
+        "(?:(?<channel>[\\w-]+)::)?(?<depName>[\\w.-]+)=(?<currentValue>[\\w.-]+)"
+      ],
+      "datasourceTemplate": "conda",
+      "registryUrlTemplate": "https://api.anaconda.org/package/{{#if channel}}{{channel}}{{else}}conda-forge{{/if}}/",
+      "versioningTemplate": "pep440"
+    }
   ]
 }
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 2ff6760..2c62828 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -11,14 +11,27 @@ USER $NB_USER
 WORKDIR $HOME
 
 # Install workshop deps
-RUN if [ "$TARGETPLATFORM" = "linux/amd64" ]; then \
-      mamba install conda-forge/linux-64::gromacs=2024.5=nompi_h5f56185_100 -y; \
-    elif [ "$TARGETPLATFORM" = "linux/arm64" ]; then \
-      mamba install conda-forge/linux-aarch64::gromacs=2024.5=nompi_h9afd374_100 -y; \
-    fi
-RUN mamba install matplotlib=3.10.6 mdanalysis=2.9.0 numpy=2.3.3 scikit-learn=1.7.2 tqdm=4.67.1 mdtraj=1.11.0 iprogress ipywidgets -y
-RUN pip install alphashape==1.3.1 click==8.3.0 click-log==0.4.0 coby==1.0.9 pbr==7.0.1 rtree==1.4.1 shapely==2.1.2 trimesh==4.8.3 vermouth==0.15.0
-
+RUN conda install -y -c conda-forge \
+    conda-forge::matplotlib=3.10.6 \
+    conda-forge::mdanalysis=2.9.0 \
+    conda-forge::numpy=2.3.3 \
+    conda-forge::scikit-learn=1.7.2 \
+    conda-forge::tqdm=4.67.1 \
+    conda-forge::mdtraj=1.11.0 \
+    conda-forge::iprogress=0.4 \
+    conda-forge::ipywidgets=8.1.9 \
+    conda-forge::gromacs=2026.3=nompi_*
+RUN pip install --no-cache-dir \
+    alphashape==1.3.1 \
+    click==8.3.0 \
+    click-log==0.4.0 \
+    coby==1.0.9 \
+    pbr==7.0.1 \
+    rtree==1.4.1 \
+    shapely==2.1.2 \
+    trimesh==4.8.3 \
+    vermouth==0.15.0
+    
 # Get workshop files and move them to jovyan directory.
 COPY --chown=1000:100 . .
 RUN rm -rf environment.yml LICENSE README.md docker .git .github