diff --git a/docs/Makefile b/docs/Makefile
index 4c82ad3be..9f74d800f 100644
--- a/docs/Makefile
+++ b/docs/Makefile
@@ -1,6 +1,6 @@
 # Global variables
 # You can set these variables from the command line.
-POETRY        = poetry
+POETRY        = PYTHON_KEYRING_BACKEND=keyring.backends.null.Keyring poetry
 SPHINXOPTS    = -j auto
 SPHINXBUILD   = $(POETRY) run sphinx-build
 PAPER         =