diff --git a/Cargo.lock b/Cargo.lock
index 513eca2..fd0426e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -327,9 +327,9 @@ checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.79"
+version = "1.0.81"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e835ff2298f5721608eb1a980ecaee1aef2c132bf95ecc026a11b7bf3c01c02e"
+checksum = "3d1597b0c024618f09a9c3b8655b7e430397a36d23fdafec26d6965e9eec3eba"
 dependencies = [
  "unicode-ident",
 ]
diff --git a/nss/Cargo.toml b/nss/Cargo.toml
index a41f82e..918f89d 100644
--- a/nss/Cargo.toml
+++ b/nss/Cargo.toml
@@ -27,7 +27,7 @@ faccess = "0.2.4"
 simple_logger = { version = "4.3.3", default-features = false, features = [
     "stderr",
 ] }
-proc-macro2 = "1.0.79"
+proc-macro2 = "1.0.81"
 
 [dev-dependencies]
 goldenfile = "^1.6"