diff --git a/.gitignore b/.gitignore
index d77eadec..2e80d370 100644
--- a/.gitignore
+++ b/.gitignore
@@ -141,6 +141,9 @@ venv.bak/
 *.code-workspace
 .vscode
 
+# Zed
+.zed/
+
 # mkdocs documentation
 /site
 
diff --git a/HOW_TO_RELEASE.md b/HOW_TO_RELEASE.md
index 0a051930..7ccb5727 100644
--- a/HOW_TO_RELEASE.md
+++ b/HOW_TO_RELEASE.md
@@ -9,7 +9,7 @@ The document describes how to release `gpsea` to *PyPi*.
 - remove deprecated methods targeted for removal in this version. The `TODO` markers are labeled using 
   the target version (e.g. `TODO[v0.3.0]`)
 - bump versions to a release:
-  - `src/gpsea/__init__.py`
+  - `pyproject.toml`
 - ensure the CI passes
 - deploy to PyPi (described below)
 - merge to `main`
diff --git a/pyproject.toml b/pyproject.toml
index 36450f14..7e6bb3b7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -54,6 +54,7 @@ test = [
     "phenopacket-store-toolkit>=0.1.2",
     "pytest>=7.0.0,<8.0.0",
     "ruff==0.12.1",
+    "basedpyright==v1.39.10",
 ]
 docs = [
     "sphinx>=7.0.0",