diff --git a/Cargo.lock b/Cargo.lock
index b9ca6f1..d7cc39b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1399,7 +1399,7 @@ dependencies = [
  "progenitor-impl",
  "progenitor-macro",
  "rand",
- "regress",
+ "regress 0.9.0",
  "reqwest",
  "schemars",
  "serde",
@@ -1575,6 +1575,16 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "regress"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d06f9a1f7cd8473611ba1a480cf35f9c5cffc2954336ba90a982fdb7e7d7f51e"
+dependencies = [
+ "hashbrown",
+ "memchr",
+]
+
 [[package]]
 name = "reqwest"
 version = "0.11.24"
@@ -2398,7 +2408,7 @@ dependencies = [
  "log",
  "proc-macro2",
  "quote",
- "regress",
+ "regress 0.8.0",
  "schemars",
  "serde_json",
  "syn 2.0.52",
diff --git a/progenitor/Cargo.toml b/progenitor/Cargo.toml
index b05c989..f602872 100644
--- a/progenitor/Cargo.toml
+++ b/progenitor/Cargo.toml
@@ -21,7 +21,7 @@ chrono = { version = "0.4", features = ["serde"] }
 futures = "0.3.30"
 percent-encoding = "2.3"
 rand = "0.8"
-regress = "0.8.0"
+regress = "0.9.0"
 reqwest = { version = "0.11.24", features = ["json", "stream"] }
 schemars = { version = "0.8.16", features = ["uuid1"] }
 serde = { version = "1.0", features = ["derive"] }