diff --git a/Cargo.lock b/Cargo.lock
index 284b38a6d..9f7730603 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4830,9 +4830,9 @@ checksum = "cd0b0ec5f1c1ca621c432a25813d8d60c88abe6d3e08a3eb9cf37d97a0fe3d73"
 
 [[package]]
 name = "serde"
-version = "1.0.190"
+version = "1.0.191"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91d3c334ca1ee894a2c6f6ad698fe8c435b76d504b13d436f0685d648d6d96f7"
+checksum = "a834c4821019838224821468552240d4d95d14e751986442c816572d39a080c9"
 dependencies = [
  "serde_derive",
 ]
@@ -4849,9 +4849,9 @@ dependencies = [
 
 [[package]]
 name = "serde_derive"
-version = "1.0.190"
+version = "1.0.191"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "67c5609f394e5c2bd7fc51efda478004ea80ef42fee983d5c67a65e34f32c0e3"
+checksum = "46fa52d5646bce91b680189fe5b1c049d2ea38dabb4e2e7c8d00ca12cfbfbcfd"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/chain/Cargo.toml b/chain/Cargo.toml
index b63b2e235..8685f742c 100644
--- a/chain/Cargo.toml
+++ b/chain/Cargo.toml
@@ -26,7 +26,7 @@ exocore-transport = {version = "0.1.25", path = "../transport", default-features
 futures = "0.3.29"
 itertools = "0.11.0"
 log = "0.4.20"
-serde = { version = "1.0.190", features = ["derive"] }
+serde = { version = "1.0.191", features = ["derive"] }
 thiserror = "1.0.50"
 bytes = "1.5.0"
 
diff --git a/core/Cargo.toml b/core/Cargo.toml
index dc675a45b..731fe7ffd 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -44,7 +44,7 @@ multihash-codetable = {version="0.1", features=["digest", "sha3"]}
 multihash-derive = {version="0.9"}
 petname = "1.1.3"
 rand = "0.8"
-serde = "1.0.190"
+serde = "1.0.191"
 serde_derive = "1.0.190"
 serde_json = "1.0.108"
 serde_yaml = "0.9.27"
diff --git a/discovery/Cargo.toml b/discovery/Cargo.toml
index c8457b7d1..af77bc7cd 100644
--- a/discovery/Cargo.toml
+++ b/discovery/Cargo.toml
@@ -21,7 +21,7 @@ futures = "0.3.29"
 log = "0.4.20"
 rand = "0.8"
 reqwest = { version = "0.11.22", default-features = false, features = ["json", "rustls-tls"] }
-serde = "1.0.190"
+serde = "1.0.191"
 serde_derive = "1.0.190"
 serde_json = "1.0.108"
 thiserror = "1.0.50"
diff --git a/exo/Cargo.toml b/exo/Cargo.toml
index 97c80873f..d5118b414 100644
--- a/exo/Cargo.toml
+++ b/exo/Cargo.toml
@@ -29,7 +29,7 @@ log = "0.4.20"
 log4rs = "1.2.0"
 rand = "0.8"
 reqwest = { version = "0.11.22", default-features = false, features = ["rustls-tls"] }
-serde = "1.0.190"
+serde = "1.0.191"
 serde_derive = "1.0.190"
 serde_json = "1.0.108"
 tempfile = "3.8.1"
diff --git a/protos/Cargo.toml b/protos/Cargo.toml
index 8b10ccc10..9c4c2391e 100644
--- a/protos/Cargo.toml
+++ b/protos/Cargo.toml
@@ -17,7 +17,7 @@ chrono = "0.4.31"
 prost = "0.12.1"
 prost-types = "0.12.1"
 protobuf = "3.3.0"
-serde = "1.0.190"
+serde = "1.0.191"
 serde_derive = "1.0.190"
 serde_json = "1.0.108"
 thiserror = "1.0.50"
diff --git a/store/Cargo.toml b/store/Cargo.toml
index b6a51364c..0d298dee9 100644
--- a/store/Cargo.toml
+++ b/store/Cargo.toml
@@ -49,7 +49,7 @@ byteorder = {version = "1.5.0", optional = true}
 crc = {version = "3.0.1", optional = true}
 extsort = {version = "0.4.2", optional = true}
 lru = {version = "0.12.0", optional = true}
-serde = {version = "1.0.190", optional = true}
+serde = {version = "1.0.191", optional = true}
 serde_derive = {version = "1.0.190", optional = true}
 serde_json = {version = "1.0.108", optional = true}
 tantivy = {version = "0.19.2", optional = true}