diff --git a/Cargo.toml b/Cargo.toml
index eea02e6..6866771 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,7 +23,7 @@ codecov = { repository = "mgeisler/version-sync" }
 [dependencies]
 pulldown-cmark = { version = "0.4", default-features = false }
 semver-parser = "0.9"
-syn = { version = "0.15", features = ["full"] }
+syn = { version = "1.0", features = ["full"] }
 proc-macro2 = { version = "0.4", features = ["span-locations"] }
 toml = "0.5"
 url = "1.0"