diff --git a/.dockerignore b/.dockerignore
index 7fde7f33fa5587f6d577b5acd2922db602b6e0aa..cf975f4215f28f003c27f1c12426e330ba96b6a7 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -7,6 +7,7 @@ docs
 # Development
 .devcontainer
 .vscode
+.tool-versions
 
 # Test related files
 tests
diff --git a/.gitignore b/.gitignore
index 9bbf5bb81d4412a1e32295da188fe93581806dec..241255253c5c4ae1973110944c800ecf83d5196e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -79,6 +79,7 @@ pytest-*.txt
 .pydevproject
 
 .python-version
+.tool-versions
 
 # emacs auto backups
 *~