diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..feb9205
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,5 @@
+.Rproj.user
+.Rhistory
+.RData
+.Ruserdata
+r-verdepcheck-action.Rproj
diff --git a/README.md b/README.md
index 7419729..672de44 100644
--- a/README.md
+++ b/README.md
@@ -18,70 +18,29 @@ When executed for A, script would read A's `DESCRIPTION` file, determine version
 Please see [`verdepcheck`](https://github.com/insightsengineering/verdepcheck) package documentation for details.
 
 ## Action type
+
 Composite
 
 ## Author
-Insights Engineering
-
-## Inputs
-* `github-token`:
-
-  _Description_: Token with permissions to clone repositories with dependencies.
-
-  _Required_: `false`
-
-  _Default_: `""`
-
-* `repository-path`:
-
-  _Description_: Directory where the checked package has been cloned.
-
-  _Required_: `false`
-
-  _Default_: `repository`
-
-* `extra-deps`:
-
-  _Description_: Extra dependencies specified similarly as in the `DESCRIPTION` file, i.e. `"<package name> (<operator> <version>)"` where both `<operator>` and `<version>` are optional. Multiple entries are possible separated by `";"`.
-
-  _Required_: `false`
-
-  _Default_: `""`
 
-* `check-args`:
+[Insights Engineering](https://github.com/insightsengineering/)
 
-  _Description_: Optional value of `args` argument to `rcmdcheck::rcmdcheck` in form of a string with space as delimeter, e.g. `"--no-examples --no-tests"`.
-
-  _Required_: `false`
-
-  _Default_: `""`
-
-* `build-args`:
-
-  _Description_: Optional value of `build_args` argument to `rcmdcheck::rcmdcheck` in form of a string with space as delimeter, e.g. `"--force --keep-empty-dirs"`.
-
-  _Required_: `false`
-
-  _Default_: `""`
-
-* `strategy`:
-
-  _Description_: Strategy for dependency test, should be one of: min, release, max.
-
-  _Required_: `true`
-
-* `additional-env-vars`:
-
-  _Description_: Additional environment variables.
-
-  _Required_: `false`
-
-  _Default_: `""`
+## Inputs
 
+| Input          | Description                                                     | Required | Default |
+| -------------- | --------------------------------------------------------------- | ------- | ---- | 
+| `github-token` | Token with permissions to clone repositories with dependencies. | _no_ | `""` |
+| `repository-path` | Directory where the checked package has been cloned. | _no_ | `"repository"` |
+| `extra-deps` | Extra dependencies specified similarly as in the `DESCRIPTION` file, i.e. `"<package name> (<operator> <version>)"` where both `<operator>` and `<version>` are optional. Multiple entries are possible separated by `";"`. | _no_ | `""` |
+| `check-args` | Optional value of `args` argument to `rcmdcheck::rcmdcheck` in form of a string with space as delimeter, e.g. `"--no-examples --no-tests"`. | `false` | `""` |
+| `build-args` | Optional value of `build_args` argument to `rcmdcheck::rcmdcheck` in form of a string with space as delimeter, e.g. `"--force --keep-empty-dirs"`. | `false` | `""` |
+| `strategy` | Strategy for dependency test, should be one of: min, release, max. | _yes_ |  |
+| `additional-env-vars` | Additional environment variables. | _no_ | `""` |
+| `additional-repos` | Optional value that add R repositories for a given strategy. Multiple entries are possible separated by `";"`. | _no_ | `""` |
 
 ## Outputs
 
-None
+_None_
 
 ## Usage
 
diff --git a/action.yaml b/action.yaml
index e31d3ff..20638fc 100644
--- a/action.yaml
+++ b/action.yaml
@@ -37,6 +37,13 @@ inputs:
           XYZ=456
     required: false
     default: ""
+  additional-repos:
+    description: |
+      Optional value that add R repositories for a given strategy (multiple repos per strategy can be defined by separating with a comma).
+      Example usage:
+        additional-repos: https://repo1.example.com,https://repo2.example.com
+    required: false
+    default: ""
 
 branding:
   icon: 'refresh-ccw'
@@ -57,7 +64,7 @@ runs:
         echo ".libPaths(\" \", include.site = FALSE)" > .Rprofile
         export R_LIBS_SITE=" "
         export R_LIBS_USER=" "
-        Rscript ${GITHUB_ACTION_PATH}/script.R '${{ inputs.repository-path }}' '${{ inputs.extra-deps }}' '${{ inputs.build-args }}' '${{ inputs.check-args }}' '${{ inputs.strategy }}'
+        Rscript ${GITHUB_ACTION_PATH}/script.R '${{ inputs.repository-path }}' '${{ inputs.extra-deps }}' '${{ inputs.build-args }}' '${{ inputs.check-args }}' '${{ inputs.strategy }}' '${{ inputs.additional-repos }}'
       shell: bash
       env:
         GITHUB_PAT: "${{ inputs.github-token }}"
diff --git a/script.R b/script.R
index 80ecc93..daede25 100644
--- a/script.R
+++ b/script.R
@@ -8,9 +8,9 @@ catnl_param <- function(x = "") {
   if (length(x) == 0) cat(var_string, "(empty)\n") else cat(var_string, x, "\n")
 }
 
-catnl("Install required packages")
+catnl("\n── \033[1mInstall required packages\033[22m ────────────")
 
-install.packages(c("remotes", "cli"), quiet = TRUE, verbose = FALSE)
+install.packages(c("remotes", "cli", "rlang"), quiet = TRUE, verbose = FALSE)
 remotes::install_github("insightsengineering/verdepcheck", quiet = TRUE, verbose = FALSE)
 remotes::install_github("r-lib/rcmdcheck#196", quiet = TRUE, verbose = FALSE) # TODO: remove when merged / linked issue fixed
 
@@ -20,12 +20,16 @@ extra_deps <- args[2]
 build_args <- strsplit(args[3], " ")[[1]]
 check_args <- strsplit(args[4], " ")[[1]]
 strategy <- args[5]
+additional_repositories <- strsplit(args[6], ";")[[1]]
 
 cli::cli_h1("Cat script parameters")
 catnl_param(path)
 catnl_param(extra_deps)
 catnl_param(build_args)
 catnl_param(check_args)
+catnl_param(additional_repositories)
+
+rlang::local_options(repos = c(options("repos"), additional_repositories))
 
 cli::cli_h1("Execute verdepcheck...")
 fun <- switch(