diff --git a/Cargo.lock b/Cargo.lock
index 5a576e0..8ef2bb6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -146,9 +146,9 @@ checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.87"
+version = "1.0.88"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b3e4daa0dcf6feba26f985457cdf104d4b4256fc5a09547140f3631bb076b19a"
+checksum = "7c3a7fc5db1e57d5a779a352c8cdb57b29aa4c40cc69c3a68a7fedc815fbf2f9"
 dependencies = [
  "unicode-ident",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index e8ee3c9..7a7c4ac 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,7 +24,7 @@ version = "1.0.37"
 features = ["proc-macro"]
 
 [dependencies.proc-macro2]
-version = "1.0.87"
+version = "1.0.88"
 
 [features]
 default = ["original-compatibility", "strict-syntax", "and-time", "time-backend"]