diff --git a/Cargo.lock b/Cargo.lock
index eed35ffab..726c72d78 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3578,9 +3578,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.64"
+version = "1.0.67"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fd9d1e9976102a03c542daa2eff1b43f9d72306342f3f8b3ed5fb8908195d6f"
+checksum = "6498a9efc342871f91cc2d0d694c674368b4ceb40f62b65a7a08c3792935e702"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/deltachat_derive/Cargo.toml b/deltachat_derive/Cargo.toml
index ee6abfae6..9f576b650 100644
--- a/deltachat_derive/Cargo.toml
+++ b/deltachat_derive/Cargo.toml
@@ -9,5 +9,5 @@ license = "MPL-2.0"
 proc-macro = true
 
 [dependencies]
-syn = "1.0.13"
+syn = "1.0.67"
 quote = "1.0.2"