diff --git a/Cargo.lock b/Cargo.lock
index 9a7f3ebcf..f21cae7e8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1914,9 +1914,9 @@ checksum = "dc375e1527247fe1a97d8b7156678dfe7c1af2fc075c9a4db3690ecd2a148068"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.56"
+version = "1.0.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
+checksum = "18fb31db3f9bddb2ea821cde30a9f70117e3f119938b5ee630b7403aa6e2ead9"
 dependencies = [
  "unicode-ident",
 ]
diff --git a/northstar-tests/northstar-tests-derive/Cargo.toml b/northstar-tests/northstar-tests-derive/Cargo.toml
index 92a92e983..23307b9b4 100644
--- a/northstar-tests/northstar-tests-derive/Cargo.toml
+++ b/northstar-tests/northstar-tests-derive/Cargo.toml
@@ -8,6 +8,6 @@ license = "Apache-2.0"
 proc-macro = true
 
 [dependencies]
-proc-macro2 = "1.0.56"
+proc-macro2 = "1.0.66"
 quote = "1.0.26"
 syn = { version = "2.0.16", features = ["full"] }