diff --git a/Cargo.lock b/Cargo.lock
index 313fd6adc6ae..c1227640db52 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1746,9 +1746,9 @@ checksum = "4facc753ae494aeb6e3c22f839b158aebd4f9270f55cd3c79906c45476c47ab4"
 
 [[package]]
 name = "memchr"
-version = "2.6.4"
+version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f665ee40bc4a3c5590afb1e9677db74a508659dfd71e126420da8274909a0167"
+checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "memfd"
@@ -2167,14 +2167,14 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.10.2"
+version = "1.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "380b951a9c5e80ddfd6136919eef32310721aa4aacd4889a8d39124b026ab343"
+checksum = "b2eae68fc220f7cf2532e4494aded17545fce192d59cd996e0fe7887f4ceb575"
 dependencies = [
  "aho-corasick",
  "memchr",
- "regex-automata 0.4.3",
- "regex-syntax 0.8.2",
+ "regex-automata 0.3.3",
+ "regex-syntax 0.7.4",
 ]
 
 [[package]]
@@ -2191,16 +2191,10 @@ name = "regex-automata"
 version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39354c10dd07468c2e73926b23bb9c2caca74c5501e38a35da70406f1d923310"
-
-[[package]]
-name = "regex-automata"
-version = "0.4.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f804c7828047e88b2d32e2d7fe5a105da8ee3264f01902f796c8e067dc2483f"
 dependencies = [
  "aho-corasick",
  "memchr",
- "regex-syntax 0.8.2",
+ "regex-syntax 0.7.4",
 ]
 
 [[package]]
@@ -2211,9 +2205,9 @@ checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
 
 [[package]]
 name = "regex-syntax"
-version = "0.8.2"
+version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c08c74e62047bb2de4ff487b251e4a92e24f48745648451635cec7d591162d9f"
+checksum = "e5ea92a5b6195c6ef2a0295ea818b312502c6fc94dde986c5553242e18fd4ce2"
 
 [[package]]
 name = "region"
diff --git a/Cargo.toml b/Cargo.toml
index 079b9c9697e4..d912807f3239 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -56,7 +56,6 @@ tokio = { workspace = true, optional = true, features = [ "signal", "macros" ] }
 hyper = { workspace = true, optional = true }
 http-body-util = { workspace = true, optional = true }
 
-
 [target.'cfg(unix)'.dependencies]
 rustix = { workspace = true, features = ["mm", "param"] }
 
@@ -256,6 +255,7 @@ cfg-if = "1.0"
 tempfile = "3.1.0"
 filecheck = "0.5.0"
 libc = "0.2.60"
+regex = "1.9.1"
 file-per-thread-logger = "0.2.0"
 tokio = { version = "1.26.0", features = [ "rt", "time" ] }
 hyper = "=1.0.0-rc.3"
@@ -417,4 +417,4 @@ overflow-checks = false
 incremental = false
 debug-assertions = false
 overflow-checks = false
-opt-level = 's'
+opt-level = 's'
\ No newline at end of file
diff --git a/cranelift/filetests/Cargo.toml b/cranelift/filetests/Cargo.toml
index f167f9a55bf2..4c6d2f23a17e 100644
--- a/cranelift/filetests/Cargo.toml
+++ b/cranelift/filetests/Cargo.toml
@@ -39,6 +39,4 @@ cranelift.workspace = true
 env_logger = { workspace = true }
 expect-test = { workspace = true }
 smallvec = { workspace = true }
-
-[dev-dependencies]
-regex = "1.5"
+regex = { workspace = true }
\ No newline at end of file