diff --git a/Cargo.lock b/Cargo.lock
index b80a6f36..bb667647 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3832,9 +3832,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.5.5"
+version = "1.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a11647b6b25ff05a515cb92c365cec08801e83423a235b51e231e1808747286"
+checksum = "d83f127d94bdbcda4c8cc2e50f6f84f4b611f69c902699ca385a39c3a75f9ff1"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -3852,9 +3852,9 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.25"
+version = "0.6.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
+checksum = "49b3de9ec5dc0a3417da371aab17d729997c15010e7fd24ff707773a33bddb64"
 
 [[package]]
 name = "remove_dir_all"
diff --git a/zebra-network/Cargo.toml b/zebra-network/Cargo.toml
index 8b2fb3ac..e93d66ba 100644
--- a/zebra-network/Cargo.toml
+++ b/zebra-network/Cargo.toml
@@ -22,7 +22,7 @@ lazy_static = "1.4.0"
 ordered-map = "0.4.2"
 pin-project = "1.0.10"
 rand = { version = "0.8.5", package = "rand" }
-regex = "1.5.5"
+regex = "1.5.6"
 serde = { version = "1.0.137", features = ["serde_derive"] }
 thiserror = "1.0.31"
 
diff --git a/zebra-state/Cargo.toml b/zebra-state/Cargo.toml
index 9a67ded3..11822168 100644
--- a/zebra-state/Cargo.toml
+++ b/zebra-state/Cargo.toml
@@ -21,7 +21,7 @@ metrics = "0.17.1"
 mset = "0.1.0"
 proptest = { version = "0.10.1", optional = true }
 proptest-derive = { version = "0.3.0", optional = true }
-regex = "1.5.5"
+regex = "1.5.6"
 rlimit = "0.8.3"
 rocksdb = { version = "0.18.0", default_features = false, features = ["lz4"] }
 serde = { version = "1.0.137", features = ["serde_derive"] }
diff --git a/zebra-test/Cargo.toml b/zebra-test/Cargo.toml
index eb31b65d..d5eacd79 100644
--- a/zebra-test/Cargo.toml
+++ b/zebra-test/Cargo.toml
@@ -15,7 +15,7 @@ insta = "1.14.0"
 proptest = "0.10.1"
 once_cell = "1.12.0"
 rand = { version = "0.8.5", package = "rand" }
-regex = "1.5.5"
+regex = "1.5.6"
 
 tokio = { version = "1.18.2", features = ["full"] }
 tower = { version = "0.4.12", features = ["util"] }
diff --git a/zebrad/Cargo.toml b/zebrad/Cargo.toml
index afa5b631..39347803 100644
--- a/zebrad/Cargo.toml
+++ b/zebrad/Cargo.toml
@@ -89,7 +89,7 @@ tonic-build = { version = "0.7.2", optional = true }
 abscissa_core = { version = "0.5", features = ["testing"] }
 hex = "0.4.3"
 once_cell = "1.12.0"
-regex = "1.5.5"
+regex = "1.5.6"
 reqwest = "0.11"
 semver = "1.0.9"
 # zebra-rpc needs the preserve_order feature, it also makes test results more stable