diff --git a/fern/products/sdks/overview/php/changelog/2026-03-26.mdx b/fern/products/sdks/overview/php/changelog/2026-03-26.mdx
new file mode 100644
index 000000000..0938ac44e
--- /dev/null
+++ b/fern/products/sdks/overview/php/changelog/2026-03-26.mdx
@@ -0,0 +1,8 @@
+## 2.2.5
+**`(fix):`** Wire Basic Auth credentials into the Authorization header. Previously,
+the generated client accepted username/password constructor parameters
+but never set the `Authorization: Basic <base64>` header on outgoing
+requests. The constructor now encodes the credentials and adds the
+header automatically.
+
+