diff --git a/.cargo/config.in b/.cargo/config.in
index 281b55d7a4a4b..435eab19496aa 100644
--- a/.cargo/config.in
+++ b/.cargo/config.in
@@ -9,7 +9,7 @@ replace-with = 'vendored-sources'
 
 [source."https://github.com/servo/serde"]
 git = "https://github.com/servo/serde"
-branch = "deserialize_from_enums5"
+branch = "deserialize_from_enums6"
 replace-with = "vendored-sources"
 
 [source.vendored-sources]
diff --git a/Cargo.toml b/Cargo.toml
index 5a01536e549fe..6c0d8e591405f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -59,4 +59,4 @@ codegen-units = 1
 
 [patch.crates-io]
 libudev-sys = { path = "dom/webauthn/libudev-sys" }
-serde_derive = { git = "https://github.com/servo/serde", branch = "deserialize_from_enums5" }
+serde_derive = { git = "https://github.com/servo/serde", branch = "deserialize_from_enums6" }