diff --git a/Cargo.lock b/Cargo.lock
index 4d14da98724..fd7571feaf3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4047,6 +4047,7 @@ dependencies = [
  "temporalio-client",
  "temporalio-common",
  "thiserror 2.0.18",
+ "tokio",
  "tracing",
  "tracing-opentelemetry 0.33.0",
  "type-system",
@@ -4392,9 +4393,9 @@ dependencies = [
 
 [[package]]
 name = "hifijson"
-version = "0.4.0"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e31b7adc036c0d7e45ccaf90b90464df98bcf74b706ad5178750d442268ca17e"
+checksum = "242402749acf71e6f32f5857598b7002c4058a4e3c3b22b4c7d51cab9aea754e"
 
 [[package]]
 name = "hkdf"
diff --git a/Cargo.toml b/Cargo.toml
index d8e729920d5..00b7aeb6a3d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -163,7 +163,7 @@ glob                               = { version = "0.3.3" }
 globset                            = { version = "0.4.18", default-features = false }
 guppy                              = { version = "0.17.20", default-features = false }
 hashbrown                          = { version = "0.17.0", default-features = false, features = ["inline-more", "nightly", "raw-entry"] }
-hifijson                           = { version = "0.4.0", default-features = false }
+hifijson                           = { version = "0.5.0", default-features = false }
 hostname                           = { version = "0.4.2", default-features = false }
 http                               = { version = "1.3.1", default-features = false }
 humansize                          = { version = "2.1.3", default-features = false }