diff --git a/askama_shared/Cargo.toml b/askama_shared/Cargo.toml
index e341b2e35..f59773b51 100644
--- a/askama_shared/Cargo.toml
+++ b/askama_shared/Cargo.toml
@@ -27,7 +27,7 @@ quote = "1"
 serde = { version = "1.0", optional = true, features = ["derive"] }
 serde_derive = { version = "1.0", optional = true }
 serde_json = { version = "1.0", optional = true }
-serde_yaml = { version = "0.8", optional = true }
+serde_yaml = { version = "0.9", optional = true }
 syn = "1"
 toml = { version = "0.5", optional = true }
 percent-encoding = { version = "2.1.0", optional = true }