diff --git a/Cargo.lock b/Cargo.lock
index fd47053071b7..c7f2b407949b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1176,9 +1176,9 @@ checksum = "67b1b7a3b5fe4f1376887184045fcf45c69e92af734b7aaddc05fb777b6fbd03"
 
 [[package]]
 name = "syn"
-version = "2.0.110"
+version = "2.0.111"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a99801b5bd34ede4cf3fc688c5919368fea4e4814a4664359503e6015b280aea"
+checksum = "390cc9a294ab71bdb1aa2e99d13be9c753cd2d7bd6560c77118597410c4d2e87"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/glib-macros/Cargo.toml b/glib-macros/Cargo.toml
index 46f2a1a11694..ef51ae33e11b 100644
--- a/glib-macros/Cargo.toml
+++ b/glib-macros/Cargo.toml
@@ -20,7 +20,7 @@ proc_macro_crate = ["proc-macro-crate"]
 heck = "0.5"
 proc-macro2 = "1.0"
 quote = "1.0"
-syn = { version = "2.0.110", features = ["full"] }
+syn = { version = "2.0.111", features = ["full"] }
 proc-macro-crate = { version = "3.3", optional = true }
 
 [lib]