diff --git a/.gitignore b/.gitignore
index 0a7d9bb..e6e892e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -130,3 +130,5 @@ dmypy.json
 
 # Pyre type checker
 .pyre/
+
+Pipfile.lock
\ No newline at end of file
diff --git a/README.md b/README.md
index 7398d01..36bfebc 100644
--- a/README.md
+++ b/README.md
@@ -350,6 +350,10 @@ etc.). Configuration of this is beyond the scope of this README.
 
 Just `amd64` for the moment. Others may be made available if there is demand.
 
+### The pipenv install fails with "Locking failed"!
+
+Make sure that you have `mysql_config` or `mariadb_config` available, as required by the python module `mysqlclient`. On Debian-based systems this is usually found in the package `libmysqlclient-dev`
+
 
 # Advanced configuration