diff --git a/Cargo.lock b/Cargo.lock
index a075dff1c..4b8d78c4a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4232,9 +4232,9 @@ checksum = "dc375e1527247fe1a97d8b7156678dfe7c1af2fc075c9a4db3690ecd2a148068"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.67"
+version = "1.0.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3d433d9f1a3e8c1263d9456598b16fec66f4acc9a74dacffd35c7bb09b3a1328"
+checksum = "5b1106fec09662ec6dd98ccac0f81cef56984d0b49f75c92d8cbad76e20c005c"
 dependencies = [
  "unicode-ident",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 53202c03a..28b836001 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -155,7 +155,7 @@ openssl-sys = "^0.9"
 openssl = "^0.10.57"
 paste = "^1.0.14"
 pkg-config = "^0.3.27"
-proc-macro2 = "1.0.67"
+proc-macro2 = "1.0.68"
 qrcode = "^0.12.0"
 quote = "1"
 rand = "^0.8.5"