diff --git a/.prettierrc b/.prettierrc
new file mode 100644
index 00000000..3ab9aa05
--- /dev/null
+++ b/.prettierrc
@@ -0,0 +1,10 @@
+{
+  "overrides": [
+    {
+      "files": ["*.yaml", "*.yml"],
+      "options": {
+        "singleQuote": true
+      }
+    }
+  ]
+}
diff --git a/pyproject.toml b/pyproject.toml
index b83b042a..ecc36d8e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -278,6 +278,7 @@ make-summary-multi-line = true
 
 ignore = [
     ".checkmake-config.ini",
+    ".prettierrc",
     ".yamlfmt",
     "*.enc",
     ".pre-commit-config.yaml",