diff --git a/syntaxdot-cli/Cargo.toml b/syntaxdot-cli/Cargo.toml
index cb41762..caf44cc 100644
--- a/syntaxdot-cli/Cargo.toml
+++ b/syntaxdot-cli/Cargo.toml
@@ -27,7 +27,7 @@ log = "0.4"
 ndarray = "0.15"
 ordered-float = { version = "4", features = ["serde"] }
 rayon = "1"
-serde_yaml = "0.9"
+serde_yaml = "0.8"
 stdinout = "0.4"
 syntaxdot = { path = "../syntaxdot", version = "0.5.0", default-features = false }
 syntaxdot-encoders = { path = "../syntaxdot-encoders", version = "0.5.0" }