diff --git a/Cargo.lock b/Cargo.lock
index 471aa6c0e41..11bdc8d9081 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2428,7 +2428,7 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8263075bb86c5a1b1427b5ae862e8889656f126e9f77c484496e8b47cf5c5558"
 dependencies = [
- "regex-automata",
+ "regex-automata 0.1.10",
 ]
 
 [[package]]
@@ -3608,13 +3608,14 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.8.4"
+version = "1.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d0ab3ca65655bb1e41f2a8c8cd662eb4fb035e67c3f78da1d61dffe89d07300f"
+checksum = "b2eae68fc220f7cf2532e4494aded17545fce192d59cd996e0fe7887f4ceb575"
 dependencies = [
  "aho-corasick 1.0.2",
  "memchr",
- "regex-syntax 0.7.2",
+ "regex-automata 0.3.2",
+ "regex-syntax 0.7.3",
 ]
 
 [[package]]
@@ -3626,6 +3627,17 @@ dependencies = [
  "regex-syntax 0.6.29",
 ]
 
+[[package]]
+name = "regex-automata"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "83d3daa6976cffb758ec878f108ba0e062a45b2d6ca3a2cca965338855476caf"
+dependencies = [
+ "aho-corasick 1.0.2",
+ "memchr",
+ "regex-syntax 0.7.3",
+]
+
 [[package]]
 name = "regex-syntax"
 version = "0.6.29"
@@ -3634,9 +3646,9 @@ checksum = "f162c6dd7b008981e4d40210aca20b4bd0f9b60ca9271061b07f78537722f2e1"
 
 [[package]]
 name = "regex-syntax"
-version = "0.7.2"
+version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "436b050e76ed2903236f032a59761c1eb99e1b0aead2c257922771dab1fc8c78"
+checksum = "2ab07dc67230e4a4718e70fd5c20055a4334b121f1f9db8fe63ef39ce9b8c846"
 
 [[package]]
 name = "reqwest"
diff --git a/zebra-network/Cargo.toml b/zebra-network/Cargo.toml
index a1cfb0af29e..e017f1aa71f 100644
--- a/zebra-network/Cargo.toml
+++ b/zebra-network/Cargo.toml
@@ -55,7 +55,7 @@ ordered-map = "0.4.2"
 pin-project = "1.1.2"
 rand = "0.8.5"
 rayon = "1.7.0"
-regex = "1.8.4"
+regex = "1.9.1"
 serde = { version = "1.0.168", features = ["serde_derive"] }
 tempfile = "3.5.0"
 thiserror = "1.0.43"
diff --git a/zebra-state/Cargo.toml b/zebra-state/Cargo.toml
index 19a11161654..a459609f99f 100644
--- a/zebra-state/Cargo.toml
+++ b/zebra-state/Cargo.toml
@@ -53,7 +53,7 @@ itertools = "0.11.0"
 lazy_static = "1.4.0"
 metrics = "0.21.1"
 mset = "0.1.1"
-regex = "1.8.4"
+regex = "1.9.1"
 rlimit = "0.10.0"
 rocksdb = { version = "0.21.0", default-features = false, features = ["lz4"] }
 semver = "1.0.17"
diff --git a/zebra-test/Cargo.toml b/zebra-test/Cargo.toml
index d32993376ca..817f6d531d4 100644
--- a/zebra-test/Cargo.toml
+++ b/zebra-test/Cargo.toml
@@ -22,7 +22,7 @@ insta = "1.30.0"
 proptest = "1.2.0"
 once_cell = "1.18.0"
 rand = "0.8.5"
-regex = "1.8.4"
+regex = "1.9.1"
 
 tokio = { version = "1.29.1", features = ["full", "tracing", "test-util"] }
 tower = { version = "0.4.13", features = ["util"] }
diff --git a/zebra-utils/Cargo.toml b/zebra-utils/Cargo.toml
index 0eb5ddf6ab9..194e543d151 100644
--- a/zebra-utils/Cargo.toml
+++ b/zebra-utils/Cargo.toml
@@ -84,7 +84,7 @@ zebra-rpc = { path = "../zebra-rpc", version = "1.0.0-beta.27", optional = true
 itertools = { version = "0.11.0", optional = true }
 
 # These crates are needed for the search-issue-refs binary
-regex = { version = "1.8.4", optional = true }
+regex = { version = "1.9.1", optional = true }
 reqwest =  { version = "0.11.18", optional = true }
 
 # These crates are needed for the zebra-checkpoints and search-issue-refs binaries
diff --git a/zebrad/Cargo.toml b/zebrad/Cargo.toml
index 908a4583ada..dd9d33f24c7 100644
--- a/zebrad/Cargo.toml
+++ b/zebrad/Cargo.toml
@@ -233,7 +233,7 @@ abscissa_core = { version = "0.7.0", features = ["testing"] }
 hex = "0.4.3"
 jsonrpc-core = "18.0.0"
 once_cell = "1.18.0"
-regex = "1.8.4"
+regex = "1.9.1"
 
 # zebra-rpc needs the preserve_order feature, it also makes test results more stable
 serde_json = { version = "1.0.100", features = ["preserve_order"] }