diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 718572b..be4ca53 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -5,3 +5,11 @@ updates:
     directory: "/"
     schedule:
       interval: "weekly"
+    groups:
+      github-actions:
+        patterns:
+          - "*"
+  - package-ecosystem: "uv"
+    directory: "/"
+    schedule:
+      interval: "weekly"
diff --git a/README.md b/README.md
index 0d831be..51f32ae 100644
--- a/README.md
+++ b/README.md
@@ -20,11 +20,11 @@ pytask-r is available on [PyPI](https://pypi.org/project/pytask-r) and
 [Anaconda.org](https://anaconda.org/conda-forge/pytask-r). Install it with
 
 ```console
-$ pip install pytask-r
+$ uv add pytask-r
 
 # or
 
-$ conda install -c conda-forge pytask-r
+$ pixi add pytask-r
 ```
 
 You also need to have R installed and `Rscript` on your command line. Test it by typing
@@ -34,14 +34,16 @@ the following on the command line
 Rscript --help
 ```
 
-If an error is shown instead of a help page, you can install R with `conda`.
+If an error is shown instead of a help page, you can install R with `pixi`.
 
 ```console
-conda install -c conda-forge r-base
+pixi add r-base
 ```
 
 Or install install R from the official [R Project](https://www.r-project.org/).
 
+For serializing task data, install either `r-jsonlite` for JSON or `r-yaml` for YAML.
+
 ## Usage
 
 To create a task that runs an R script, define a task function with the `@mark.r`
@@ -246,3 +248,12 @@ r_options = ["--vanilla"]
 ## Changes
 
 Consult the [release notes](CHANGES.md) to find out about what is new.
+
+## Developer
+
+To run the tests, `r-base` and its dependencies need to be installed. The recommended
+command is
+
+```console
+pixi global install r-base --with r-jsonlite --with r-yaml
+```
diff --git a/justfile b/justfile
index 46b6b8d..58668b7 100644
--- a/justfile
+++ b/justfile
@@ -12,7 +12,7 @@ test-cov *FLAGS:
 
 # Run type checking
 typing:
-    uv run --group typing --group test ty check src/ tests/
+    uv run --group typing --group test --isolated ty check src/ tests/
 
 # Run linting
 lint:
diff --git a/pyproject.toml b/pyproject.toml
index c7089ae..7285155 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,7 +36,7 @@ pytask_r = "pytask_r.plugin"
 
 [dependency-groups]
 test = ["pytask-parallel", "pytest", "pytest-cov", "pytest-xdist", "pyyaml"]
-typing = ["ty>=0.0.7"]
+typing = ["ty>=0.0.8"]
 
 [build-system]
 requires = ["hatchling", "hatch-vcs"]