diff --git a/Cargo.lock b/Cargo.lock
index 0d10f6b675..1b108720bc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -656,7 +656,7 @@ dependencies = [
  "omicron-common",
  "omicron-workspace-hack",
  "progenitor",
- "regress",
+ "regress 0.9.0",
  "reqwest",
  "schemars",
  "serde",
@@ -2002,7 +2002,7 @@ dependencies = [
  "progenitor-client",
  "quote",
  "rand 0.8.5",
- "regress",
+ "regress 0.9.0",
  "reqwest",
  "rustfmt-wrapper",
  "schemars",
@@ -3443,7 +3443,7 @@ dependencies = [
  "opte-ioctl",
  "oxide-vpc",
  "oxlog",
- "regress",
+ "regress 0.9.0",
  "schemars",
  "serde",
  "serde_json",
@@ -3580,7 +3580,7 @@ dependencies = [
  "installinator-common",
  "omicron-workspace-hack",
  "progenitor",
- "regress",
+ "regress 0.9.0",
  "reqwest",
  "schemars",
  "serde",
@@ -4365,7 +4365,7 @@ dependencies = [
  "omicron-passwords",
  "omicron-workspace-hack",
  "progenitor",
- "regress",
+ "regress 0.9.0",
  "reqwest",
  "schemars",
  "serde",
@@ -5049,7 +5049,7 @@ dependencies = [
  "progenitor",
  "proptest",
  "rand 0.8.5",
- "regress",
+ "regress 0.9.0",
  "reqwest",
  "schemars",
  "semver 1.0.22",
@@ -5841,7 +5841,7 @@ dependencies = [
  "omicron-workspace-hack",
  "progenitor",
  "rand 0.8.5",
- "regress",
+ "regress 0.9.0",
  "reqwest",
  "serde",
  "serde_json",
@@ -7251,6 +7251,16 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "regress"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d06f9a1f7cd8473611ba1a480cf35f9c5cffc2954336ba90a982fdb7e7d7f51e"
+dependencies = [
+ "hashbrown 0.14.3",
+ "memchr",
+]
+
 [[package]]
 name = "relative-path"
 version = "1.9.0"
@@ -8318,7 +8328,7 @@ dependencies = [
  "omicron-common",
  "omicron-workspace-hack",
  "progenitor",
- "regress",
+ "regress 0.9.0",
  "reqwest",
  "schemars",
  "serde",
@@ -9926,7 +9936,7 @@ dependencies = [
  "log",
  "proc-macro2",
  "quote",
- "regress",
+ "regress 0.8.0",
  "schemars",
  "serde_json",
  "syn 2.0.51",
@@ -10668,7 +10678,7 @@ dependencies = [
  "ipnetwork",
  "omicron-workspace-hack",
  "progenitor",
- "regress",
+ "regress 0.9.0",
  "reqwest",
  "schemars",
  "serde",
diff --git a/Cargo.toml b/Cargo.toml
index 733eee1b32..d936b27d11 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -345,7 +345,7 @@ rcgen = "0.12.1"
 reedline = "0.30.0"
 ref-cast = "1.0"
 regex = "1.10.3"
-regress = "0.8.0"
+regress = "0.9.0"
 reqwest = { version = "0.11", default-features = false }
 ring = "0.17.8"
 rpassword = "7.3.1"