diff --git a/.github/workflows/pysplashsurf_CI.yml b/.github/workflows/pysplashsurf_CI.yml
index 32d730c..c6a6d7f 100644
--- a/.github/workflows/pysplashsurf_CI.yml
+++ b/.github/workflows/pysplashsurf_CI.yml
@@ -26,13 +26,13 @@ jobs:
     name: Run stub generator
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
       - uses: moonrepo/setup-rust@v1
       - run: |
           cargo run --bin stub_gen --no-default-features
         working-directory: pysplashsurf
       - name: Upload stub as artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: pysplashsurf.pyi
           path: pysplashsurf/pysplashsurf/
@@ -60,7 +60,7 @@ jobs:
   #   steps:
   #     - uses: actions/checkout@v6
   #     - name: Download stub artifact
-  #       uses: actions/download-artifact@v4
+  #       uses: actions/download-artifact@v8
   #       with:
   #         name: pysplashsurf.pyi
   #         path: pysplashsurf/pysplashsurf/
@@ -96,7 +96,7 @@ jobs:
   #           CIBW_BEFORE_ALL_LINUX: curl -sSf https://sh.rustup.rs | sh -s -- -y
   #           CIBW_ENVIRONMENT_LINUX: "PATH=$HOME/.cargo/bin:$PATH"
   #     - name: Upload wheels
-  #       uses: actions/upload-artifact@v4
+  #       uses: actions/upload-artifact@v7
   #       with:
   #         name: wheels-${{ matrix.python-version }}
   #         path: wheelhouse
@@ -112,7 +112,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - name: Download stub artifact
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v8
         with:
           name: pysplashsurf.pyi
           path: pysplashsurf/pysplashsurf/
@@ -131,7 +131,7 @@ jobs:
           pip install auditwheel
           auditwheel repair wheelhouse/*.whl
       - name: Upload wheels
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: wheels-linux-${{ matrix.target }}
           path: wheelhouse
@@ -155,7 +155,7 @@ jobs:
   #   steps:
   #     - uses: actions/checkout@v6
   #     - name: Download stub artifact
-  #       uses: actions/download-artifact@v4
+  #       uses: actions/download-artifact@v8
   #       with:
   #         name: pysplashsurf.pyi
   #         path: pysplashsurf/pysplashsurf/
@@ -174,7 +174,7 @@ jobs:
   #           CIBW_TEST_SOURCES: "pysplashsurf/tests"
   #           CIBW_TEST_REQUIRES: pytest meshio trimesh rtree scipy
   #     - name: Upload wheels
-  #       uses: actions/upload-artifact@v4
+  #       uses: actions/upload-artifact@v7
   #       with:
   #         name: wheels-${{ matrix.python-version }}
   #         path: wheelhouse
@@ -192,7 +192,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - name: Download stub artifact
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v8
         with:
           name: pysplashsurf.pyi
           path: pysplashsurf/pysplashsurf/
@@ -210,7 +210,7 @@ jobs:
           pip install delocate
           delocate-wheel -v wheelhouse/*.whl
       - name: Upload wheels
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: wheels-macos-${{ matrix.target }}
           path: wheelhouse
@@ -230,7 +230,7 @@ jobs:
   #   steps:
   #     - uses: actions/checkout@v6
   #     - name: Download stub artifact
-  #       uses: actions/download-artifact@v4
+  #       uses: actions/download-artifact@v8
   #       with:
   #         name: pysplashsurf.pyi
   #         path: pysplashsurf/pysplashsurf/
@@ -249,7 +249,7 @@ jobs:
   #           #CIBW_TEST_SOURCES: "pysplashsurf/tests"
   #           #CIBW_TEST_REQUIRES: pytest meshio trimesh rtree scipy
   #     - name: Upload wheels
-  #       uses: actions/upload-artifact@v4
+  #       uses: actions/upload-artifact@v7
   #       with:
   #         name: wheels-${{ matrix.python-version }}
   #         path: wheelhouse
@@ -274,7 +274,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - name: Download stub artifact
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v8
         with:
           name: pysplashsurf.pyi
           path: pysplashsurf/pysplashsurf/
@@ -293,7 +293,7 @@ jobs:
           pip install delvewheel
           delvewheel show -v wheelhouse/*.whl
       - name: Upload wheels
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: wheels-windows-${{ matrix.target }}
           path: wheelhouse
@@ -305,7 +305,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - name: Download stub artifact
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v8
         with:
           name: pysplashsurf.pyi
           path: pysplashsurf/pysplashsurf/
@@ -315,7 +315,7 @@ jobs:
           command: sdist
           args: --out dist -m pysplashsurf/Cargo.toml
       - name: Upload sdist
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: wheels-sdist
           path: dist
@@ -326,7 +326,7 @@ jobs:
     if: ${{ startsWith(github.ref, 'refs/tags/v') || (github.event_name == 'workflow_dispatch' && github.ref == 'refs/heads/main') }}
     needs: [linux_wheels, macos_wheels, windows_wheels, sdist, tests, docs]
     steps:
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v8
         with:
           pattern: wheels-*
           merge-multiple: true
@@ -367,7 +367,7 @@ jobs:
         FILE_NAME=$(ls dist)
         echo "file_name=$FILE_NAME" >> $GITHUB_OUTPUT
     - name: Upload wheel
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v7
       with:
         name: doc_tests_wheel
         path: dist
@@ -382,7 +382,7 @@ jobs:
       with:
         python-version: 3.12
     - name: Download wheel
-      uses: actions/download-artifact@v4
+      uses: actions/download-artifact@v8
       with:
         name: doc_tests_wheel
         path: dist/
@@ -392,7 +392,7 @@ jobs:
     - uses: ammaraskar/sphinx-action@8.2.3
       with:
         docs-folder: "pysplashsurf/pysplashsurf/docs/"
-    - uses: actions/upload-artifact@v4
+    - uses: actions/upload-artifact@v7
       with:
         name: DocumentationHTML
         path: pysplashsurf/pysplashsurf/docs/build/html/
@@ -418,7 +418,7 @@ jobs:
     - uses: actions/setup-python@v6
       with:
         python-version: 3.12
-    - uses: mamba-org/setup-micromamba@v2
+    - uses: mamba-org/setup-micromamba@v3
       with:
         environment-file: pysplashsurf/python_environment.yaml
         init-shell: >-
@@ -427,7 +427,7 @@ jobs:
         conda info
         conda list
     - name: Download wheel
-      uses: actions/download-artifact@v4
+      uses: actions/download-artifact@v8
       with:
         name: doc_tests_wheel
         path: dist/
diff --git a/Cargo.lock b/Cargo.lock
index a0b6151..1b7798d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1363,9 +1363,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-stub-gen"
-version = "0.19.0"
+version = "0.22.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b159f7704044f57d058f528a6f1f22a0a0a327dcb595c5fb38beae658e0338d6"
+checksum = "1242a6080f45edcfaf3be3b9968914dd47a408c5590aea22770b978f7c36ffa7"
 dependencies = [
  "anyhow",
  "chrono",
@@ -1389,9 +1389,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-stub-gen-derive"
-version = "0.19.0"
+version = "0.22.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a8c79e7c5b1fcec7c39ab186594658a971c59911eb6fbab5a5932cf2318534be"
+checksum = "fd9a73abe6f57890e657c265b86805637138f83203e1a56bc156078abf215e36"
 dependencies = [
  "heck",
  "indexmap",
diff --git a/pysplashsurf/Cargo.toml b/pysplashsurf/Cargo.toml
index 36dd2a9..9fc3bed 100644
--- a/pysplashsurf/Cargo.toml
+++ b/pysplashsurf/Cargo.toml
@@ -13,7 +13,7 @@ numpy = "0.28"
 ndarray = "0.17"
 bytemuck = { version = "1.23", features = ["extern_crate_alloc"] }
 anyhow = "1.0"
-pyo3-stub-gen = "0.19"
+pyo3-stub-gen = "0.22"
 
 [build-dependencies]
 pyo3-build-config = { version = "0.28" , features = ["resolve-config"] }
diff --git a/pysplashsurf/pysplashsurf/docs/requirements.txt b/pysplashsurf/pysplashsurf/docs/requirements.txt
index 7269857..fb88bf2 100644
--- a/pysplashsurf/pysplashsurf/docs/requirements.txt
+++ b/pysplashsurf/pysplashsurf/docs/requirements.txt
@@ -1,8 +1,8 @@
-pip==26.0
-sphinx==8.2.3
-numpy==2.2.3
+pip==26.1
+sphinx==9.1.0
+sphinx_rtd_theme==3.1.0
+sphinx-autodoc-typehints==3.10.4
+numpy==2.4.6
 meshio==5.3.5
-sphinx_rtd_theme==3.0.1
-numpydoc==1.8.0
-myst-parser==4.0.1
-sphinx-autodoc-typehints==3.2.0
+numpydoc==1.10.0
+myst-parser==5.1.0
diff --git a/pysplashsurf/python_environment.yaml b/pysplashsurf/python_environment.yaml
index c1abb25..f2f8c1d 100644
--- a/pysplashsurf/python_environment.yaml
+++ b/pysplashsurf/python_environment.yaml
@@ -5,22 +5,24 @@ name: pysplashsurf
 channels:
   - conda-forge
 dependencies:
-  - maturin=1.8.2
-  - patchelf=0.17.2
+  - maturin=1.13.3
+  - patchelf
   - meshio=5.3.5
-  - numpy=2.2.3
-  - pip=25.0.1
+  - numpy=2.4.6
+  - pip=26.1
   - python=3.13.2
   - python_abi=3.13
-  - numpydoc=1.8.0
-  - trimesh=4.6.5
-  - rtree=1.4.0
-  - scipy=1.15.2
-  - pytest=8.3.5
+  - numpydoc=1.10.0
+  - trimesh=4.12.2
+  - rtree=1.4.1
+  - scipy=1.17.1
+  - pytest=9.0.3
   - pytest-md=0.2.0
 
-  - sphinx=8.2.3
-  - sphinx_rtd_theme=3.0.1
-  - myst-parser=4.0.1
-  - numpydoc==1.8.0
-  - sphinx-autodoc-typehints==3.2.0
+  - sphinx=9.1.0
+#  - sphinx_rtd_theme=3.1.0
+  - sphinx-autodoc-typehints==3.10.4
+  - myst-parser=5.1.0
+  - numpydoc==1.10.0
+  - pip:
+    - sphinx_rtd_theme==3.1.0  # The 3.1.0 release of sphinx_rtd_theme on conda-forge is broken, see: https://github.com/conda-forge/sphinx_rtd_theme-feedstock/issues/40
\ No newline at end of file