diff --git a/Cargo.lock b/Cargo.lock
index 08d4a64..ae5ed98 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -146,7 +146,7 @@ dependencies = [
  "hex",
  "serde",
  "serde_json",
- "sha2 0.11.0",
+ "sha2 0.11.1",
  "zixcel-github",
  "zixcel-github-egress-contracts",
 ]
@@ -381,9 +381,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.152"
+version = "1.0.154"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1741ab7a6cc54a03a89b5d563ed60075c277d9e3cfa73ad0c1f23f23974703c6"
+checksum = "e7e9cc8b1b85264074fbcc02a88680c4096b1e47df8f739dceb03bf482f04bd6"
 dependencies = [
  "itoa",
  "memchr",
@@ -423,9 +423,9 @@ dependencies = [
 
 [[package]]
 name = "sha2"
-version = "0.11.0"
+version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "446ba717509524cb3f22f17ecc096f10f4822d76ab5c0b9822c5f9c284e825f4"
+checksum = "47d7069beb7d6ac7b9acd1039986e73443f24234f41074da099d6f994ac9ad19"
 dependencies = [
  "cfg-if",
  "cpufeatures 0.3.1",