diff --git a/.yamllint b/.yamllint
new file mode 100644
index 000000000..a5e71f9d0
--- /dev/null
+++ b/.yamllint
@@ -0,0 +1,8 @@
+---
+rules:
+  line-length:
+    # Allow some of our longer URLs
+    max: 90
+    allow-non-breakable-words: yes           # Default
+    allow-non-breakable-inline-mappings: no  # Default
+  truthy: disable
diff --git a/tox.ini b/tox.ini
index 16e1d5805..67081b3c5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -10,7 +10,11 @@ setenv = VIRTUAL_ENV={envdir}
 deps = -r{toxinidir}/test-requirements.txt
 
 [testenv:linters]
-commands = yamllint .
+whitelist_externals = bash
+commands = bash -c "find {toxinidir}        \
+            \( -name .tox -prune \)         \
+            -o -type f -name '*.yaml'       \
+            -print0 | xargs -0 yamllint"
            {toxinidir}/tools/check_projects_yaml_alphabetized.sh
 
 [testenv:venv]