diff --git a/templates/astro/.gitignore.twig b/templates/astro/.gitignore.twig
index ef8f936..5a3a420 100644
--- a/templates/astro/.gitignore.twig
+++ b/templates/astro/.gitignore.twig
@@ -11,6 +11,10 @@ pnpm-debug.log*
 yarn-debug.log*
 yarn-error.log*
 
+{% if flake is defined %}
+.dir-env/
+{% endif %}
+
 {% for path in git.ignore %}
 {{ path }}
 {% endfor %}
diff --git a/templates/drupal/.gitignore.twig b/templates/drupal/.gitignore.twig
index cdc1fb2..d9edb98 100644
--- a/templates/drupal/.gitignore.twig
+++ b/templates/drupal/.gitignore.twig
@@ -41,6 +41,10 @@ vendor/
 docker-compose.override.yaml
 {% endif %}
 
+{% if flake is defined %}
+.dir-env/
+{% endif %}
+
 {% for path in git.ignore %}
 {{ path }}
 {% endfor %}
diff --git a/templates/fractal/.gitignore.twig b/templates/fractal/.gitignore.twig
index 679e7a9..62a6f95 100644
--- a/templates/fractal/.gitignore.twig
+++ b/templates/fractal/.gitignore.twig
@@ -8,6 +8,10 @@ node_modules
 docker-compose.override.yaml
 {% endif %}
 
+{% if flake is defined %}
+.dir-env/
+{% endif %}
+
 {% for path in git.ignore %}
 {{ path }}
 {% endfor %}
diff --git a/templates/terraform/.gitignore.twig b/templates/terraform/.gitignore.twig
index 520ccdb..3754a61 100644
--- a/templates/terraform/.gitignore.twig
+++ b/templates/terraform/.gitignore.twig
@@ -44,6 +44,10 @@ terraform.rc
 
 # End of https://www.toptal.com/developers/gitignore/api/terraform
 
+{% if flake is defined %}
+.dir-env/
+{% endif %}
+
 {% for path in git.ignore %}
 {{ path }}
 {% endfor %}