diff --git a/.github/workflows/blueprint-docs.yml b/.github/workflows/blueprint-docs.yml
index d849fb8..01a7283 100644
--- a/.github/workflows/blueprint-docs.yml
+++ b/.github/workflows/blueprint-docs.yml
@@ -19,7 +19,7 @@ jobs:
     - name: Create new project
       run: |
         # Note: Make sure python_version is consistent with python-version hardcoded above
-        conda run --name blueprint copier --force --vcs-ref=HEAD python_version=3.9 copy . ./docs/example_project
+        conda run --name blueprint copier --force --vcs-ref=HEAD copy . ./docs/example_project
         ls
         echo "==================================="
         ls docs
diff --git a/README.md b/README.md
index 88e536d..22790b6 100644
--- a/README.md
+++ b/README.md
@@ -42,18 +42,19 @@ conda create --name blueprint
 conda activate blueprint
 conda install "copier<8.0"
 ```
+Make sure to have at least copier version 8.1.0. Otherwise, please update copier.
 
 ## Create your Python package from our template
 You can now produce your Python package from a copier template by running
 ```
 conda activate blueprint
-copier git@github.com:MeteoSwiss-APN/mch-python-blueprint.git </path/to/destination>
+copier copy git@github.com:MeteoSwiss-APN/mch-python-blueprint.git </path/to/destination>
 ```
 If you need to generate your project from a specific commit hash or branch of the blueprint you can run with --vcs-ref
 
 ```
 conda activate blueprint
-copier --vcs-ref <branch> git@github.com:MeteoSwiss-APN/mch-python-blueprint.git </path/to/destination>
+copier copy --vcs-ref <branch> git@github.com:MeteoSwiss-APN/mch-python-blueprint.git </path/to/destination>
 ```
 
 **Warning:**
@@ -91,7 +92,7 @@ out more about provided development tools and setting up CI/CD pipelines on http
 To update your package to the latest version of the underlying meta template, run:
 
 ```bash
-copier -a .copier-answers.yml -f update
+copier update -a .copier-answers.yml -f update
 ```
 
 With `-f`, conflicting files are overwritten (which doesn't mean that in the end, the files are changed as those conflicts can be purely internal).
diff --git a/copier.yaml b/copier.yaml
index 24731be..2407bc3 100644
--- a/copier.yaml
+++ b/copier.yaml
@@ -76,5 +76,5 @@ python_version:
 
 year:
   help: "This year"
-  default: "2022"
+  default: "2023"
   type: str
diff --git a/pyproject.toml b/pyproject.toml
index 77f6f6d..fd7f14e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,5 +31,16 @@ ignore_directives = [
 ]
 
 [tool.codespell]
-ignore-words-list = "inout"
-skip = "requirements/*"
+ignore-regex = '(\b[A-Z]+\b|.*([#!"]|<!--) *codespell-ignore\b|^ *"image/[a-z]+": ".*",$)'
+# - Ignore all-uppercase words (acronyms)
+# - Ignore lines with codespell-ignore comment
+# - Ignore lines "image/...": "..." (images in *.ipynb files)
+ignore-words = './tmpl/codespell_ignored_words.txt'
+# Note: To skip local files by their full path, codespell (v2.2.2) requires
+# './src/...` when called from the command line but 'src/...' when called via
+# pre-commit (as local hook); '*src/...` matches both
+skip = """\
+.git,\
+*.codespell-ignore.*,\
+*requirements/*,\
+"""
diff --git a/requirements/environment.yml b/requirements/environment.yml
index 0af7287..e180044 100644
--- a/requirements/environment.yml
+++ b/requirements/environment.yml
@@ -1,51 +1,48 @@
 name: mch-python-blueprint
 channels:
   - conda-forge
-  - defaults
 dependencies:
   - _libgcc_mutex=0.1
   - _openmp_mutex=4.5
   - alabaster=0.7.13
-  - babel=2.13.0
+  - babel=2.14.0
   - brotli-python=1.1.0
   - bzip2=1.0.8
-  - ca-certificates=2023.7.22
-  - certifi=2023.7.22
+  - ca-certificates=2023.11.17
+  - certifi=2023.11.17
   - cffi=1.16.0
   - cfgv=3.3.1
-  - charset-normalizer=3.3.1
+  - charset-normalizer=3.3.2
   - colorama=0.4.6
-  - distlib=0.3.7
-  - docutils=0.20.1
-  - filelock=3.12.4
-  - identify=2.5.30
-  - idna=3.4
+  - distlib=0.3.8
+  - filelock=3.13.1
+  - identify=2.5.33
+  - idna=3.6
   - imagesize=1.4.1
-  - importlib-metadata=6.8.0
+  - importlib-metadata=7.0.0
   - jinja2=3.1.2
   - ld_impl_linux-64=2.40
-  - libexpat=2.5.0
   - libffi=3.4.2
   - libgcc-ng=13.2.0
   - libgomp=13.2.0
   - libnsl=2.0.1
-  - libsqlite=3.43.2
+  - libsqlite=3.44.2
   - libstdcxx-ng=13.2.0
   - libuuid=2.38.1
   - libzlib=1.2.13
   - markupsafe=2.1.3
   - ncurses=6.4
   - nodeenv=1.8.0
-  - openssl=3.1.3
+  - openssl=3.2.0
   - packaging=23.2
-  - pip=23.3.1
-  - platformdirs=3.11.0
-  - pre-commit=3.5.0
+  - pip=23.3.2
+  - platformdirs=4.1.0
+  - pre-commit=3.6.0
   - pycparser=2.21
-  - pygments=2.16.1
+  - pygments=2.17.2
   - pysocks=1.7.1
-  - python=3.12.0
-  - python_abi=3.12
+  - python=3.10.13
+  - python_abi=3.10
   - pytz=2023.3.post1
   - pyyaml=6.0.1
   - readline=8.2
@@ -60,29 +57,29 @@ dependencies:
   - sphinxcontrib-qthelp=1.0.6
   - sphinxcontrib-serializinghtml=1.1.9
   - tk=8.6.13
-  - typing-extensions=4.8.0
-  - typing_extensions=4.8.0
   - tzdata=2023c
   - ukkonen=1.0.1
-  - urllib3=2.0.7
-  - virtualenv=20.24.4
-  - wheel=0.41.2
+  - urllib3=2.1.0
+  - virtualenv=20.25.0
+  - wheel=0.42.0
   - xz=5.2.6
   - yaml=0.2.5
   - zipp=3.17.0
   - pip:
-      - annotated-types==0.6.0
       - copier==7.2.0
+      - docutils==0.19
       - dunamai==1.19.0
       - funcy==2.0
       - jinja2-ansible-filters==1.3.2
       - mistune==2.0.5
-      - pathspec==0.11.2
+      - pathspec==0.12.1
       - plumbum==1.8.2
       - prompt-toolkit==3.0.36
       - pydantic==1.10.13
-      - pydantic-core==2.10.1
       - pyyaml-include==1.3.1
       - questionary==2.0.1
+      - rstcheck-core==1.0.3
       - sphinx-mdinclude==0.5.3
-      - wcwidth==0.2.8
+      - types-docutils==0.19.1.9
+      - typing-extensions==4.9.0
+      - wcwidth==0.2.12
diff --git a/tmpl/README.md.j2 b/tmpl/README.md.j2
index 648d698..9c44acc 100644
--- a/tmpl/README.md.j2
+++ b/tmpl/README.md.j2
@@ -42,6 +42,8 @@ is based on top-level dependencies listed in `requirements/requirements.yml`. If
 ```bash
 tools/setup_env.sh -u -e -n <package_env_name>
 ```
+*Hint*: Make sure to execute the bash scripts in `tools/` (do not source them as this can lead to issues)!
+
 *Hint*: If you are the package administrator, it is a good idea to understand what this script does, you can do everything manually with `conda` instructions.
 
 *Hint*: Use the flag `-m` to speed up the installation using mamba. Of course you will have to install mamba first (we recommend to install mamba into your base
diff --git a/tmpl/codespell_ignored_words.txt b/tmpl/codespell_ignored_words.txt
new file mode 100644
index 0000000..b545f20
--- /dev/null
+++ b/tmpl/codespell_ignored_words.txt
@@ -0,0 +1,9 @@
+# German
+alle
+ist
+oder
+# English
+pres
+rime
+theses
+trough
diff --git a/tmpl/docs/installation.rst.j2 b/tmpl/docs/installation.rst.j2
index 553cbce..6f52f2d 100644
--- a/tmpl/docs/installation.rst.j2
+++ b/tmpl/docs/installation.rst.j2
@@ -11,6 +11,7 @@ Preparation
 -----------
 
 To install {{ project_name }} you need a miniconda installation. You can either set up your miniconda installation manually or use the script `tools/setup_miniconda.sh`, which will download and install the latest version of miniconda.
+Make sure to execute the script (do not source it as this can lead to issues)!
 
 
 Installation of dependencies
diff --git a/tmpl/pyproject.toml.j2 b/tmpl/pyproject.toml.j2
index 50c0a7b..76af385 100644
--- a/tmpl/pyproject.toml.j2
+++ b/tmpl/pyproject.toml.j2
@@ -155,5 +155,16 @@ ignore_directives = [
 ]
 
 [tool.codespell]
-ignore-words-list = "inout"
-skip = "requirements/*"
+ignore-regex = '(\b[A-Z]+\b|.*([#!"]|<!--) *codespell-ignore\b|^ *"image/[a-z]+": ".*",$)'
+# - Ignore all-uppercase words (acronyms)
+# - Ignore lines with codespell-ignore comment
+# - Ignore lines "image/...": "..." (images in *.ipynb files)
+ignore-words = './codespell_ignored_words.txt'
+# Note: To skip local files by their full path, codespell (v2.2.2) requires
+# './src/...` when called from the command line but 'src/...' when called via
+# pre-commit (as local hook); '*src/...` matches both
+skip = """\
+.git,\
+*.codespell-ignore.*,\
+*requirements/*,\
+"""
diff --git a/tmpl/requirements/environment.yml.j2 b/tmpl/requirements/environment.yml.j2
index d856a8b..5d51a70 100644
--- a/tmpl/requirements/environment.yml.j2
+++ b/tmpl/requirements/environment.yml.j2
@@ -1,7 +1,6 @@
 name: {{ project_slug }}
 channels:
   - conda-forge
-  - defaults
 dependencies:
   - _libgcc_mutex=0.1
   - _openmp_mutex=4.5
diff --git a/tmpl/tools/setup_env.sh.j2 b/tmpl/tools/setup_env.sh.j2
index 42bc5cc..5d6515c 100755
--- a/tmpl/tools/setup_env.sh.j2
+++ b/tmpl/tools/setup_env.sh.j2
@@ -3,6 +3,11 @@
 # Create conda environment with pinned or unpinned requirements
 
 
+if [[ "${BASH_SOURCE[0]}" != "${0}" ]]; then
+  echo "Please simply call the script instead of sourcing it!"
+  return
+fi
+
 if [[ "${BASH_SOURCE[0]}" != "${0}" ]]; then
   echo "Please simply call the script instead of sourcing it!"
   return
diff --git a/tmpl/tools/setup_miniconda.sh b/tmpl/tools/setup_miniconda.sh
index 57f5f54..02aa536 100755
--- a/tmpl/tools/setup_miniconda.sh
+++ b/tmpl/tools/setup_miniconda.sh
@@ -3,6 +3,11 @@
 # Install miniconda if necessary
 
 
+if [[ "${BASH_SOURCE[0]}" != "${0}" ]]; then
+  echo "Please simply call the script instead of sourcing it!"
+  return
+fi
+
 if [[ "${BASH_SOURCE[0]}" != "${0}" ]]; then
   echo "Please simply call the script instead of sourcing it!"
   return
diff --git a/tools/update_env.sh b/tools/update_env.sh
index 60c15ca..70ed648 100755
--- a/tools/update_env.sh
+++ b/tools/update_env.sh
@@ -10,7 +10,7 @@ main()
     if [[ -d "${tmpdir}" ]]; then
         \rm -rfv "${tmpdir}" || return
     fi
-    copier -f --vcs-ref=HEAD . "${tmpdir}" || return
+    copier copy -f --vcs-ref=HEAD . "${tmpdir}" || return
 
     # Use script in project to update the root environment file
     local env_name
diff --git a/tools/update_tmpl_env.sh b/tools/update_tmpl_env.sh
index d851673..6173db7 100755
--- a/tools/update_tmpl_env.sh
+++ b/tools/update_tmpl_env.sh
@@ -10,7 +10,7 @@ main()
     if [[ -d "${tmpdir}" ]]; then
         \rm -rfv "${tmpdir}" || return
     fi
-    copier -f --vcs-ref=HEAD . "${tmpdir}" || return
+    copier copy -f --vcs-ref=HEAD . "${tmpdir}" || return
 
     # Update the project's environment file
     \cd "${tmpdir}" || return