diff --git a/pkgs/build-support/kernel/make-initrd-ng/Cargo.lock b/pkgs/build-support/kernel/make-initrd-ng/Cargo.lock
index 961c5a3c1ab6..83e0fd3a2c5e 100644
--- a/pkgs/build-support/kernel/make-initrd-ng/Cargo.lock
+++ b/pkgs/build-support/kernel/make-initrd-ng/Cargo.lock
@@ -57,9 +57,9 @@ checksum = "b4596b6d070b27117e987119b4dac604f3c58cfb0b191112e24771b2faeac1a6"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.76"
+version = "1.0.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95fc56cda0b5c3325f5fbbd7ff9fda9e02bb00bb3dac51252d2f1bfa1cb8cc8c"
+checksum = "e2422ad645d89c99f8f3e6b88a9fdeca7fabeac836b1002371c4367c8f984aae"
 dependencies = [
  "unicode-ident",
 ]