diff --git a/Cargo.lock b/Cargo.lock
index 18f50257..0eaf0c3c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -403,9 +403,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.70"
+version = "1.0.73"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "39278fbbf5fb4f646ce651690877f89d1c5811a3d4acb27700c1cb3cdb78fd3b"
+checksum = "2dd5e8a1f1029c43224ad5898e50140c2aebb1705f19e67c918ebf5b9e797fe1"
 dependencies = [
  "unicode-ident",
 ]
diff --git a/nss/Cargo.toml b/nss/Cargo.toml
index 6221abde..f9beed87 100644
--- a/nss/Cargo.toml
+++ b/nss/Cargo.toml
@@ -27,7 +27,7 @@ faccess = "0.2.4"
 simple_logger = { version = "4.3.0", default-features = false, features = [
     "stderr",
 ] }
-proc-macro2 = "1.0.70"
+proc-macro2 = "1.0.73"
 
 [dev-dependencies]
 goldenfile = "^1.6"