diff --git a/Cargo.lock b/Cargo.lock
index 40901ef2..fcaefe1f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4369,9 +4369,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.85"
+version = "1.0.86"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e55a28e3aaef9d5ce0506d0a14dbba8054ddc7e499ef522dd8b26859ec9d4a44"
+checksum = "41feea4228a6f1cd09ec7a3593a682276702cd67b5273544757dae23c096f074"
 dependencies = [
  "indexmap",
  "itoa",
diff --git a/zebra-rpc/Cargo.toml b/zebra-rpc/Cargo.toml
index bd0aaea4..0343d67a 100644
--- a/zebra-rpc/Cargo.toml
+++ b/zebra-rpc/Cargo.toml
@@ -24,7 +24,7 @@ jsonrpc-http-server = "18.0.0"
 num_cpus = "1.13.1"
 
 # zebra-rpc needs the preserve_order feature in serde_json, which is a dependency of jsonrpc-core
-serde_json = { version = "1.0.85", features = ["preserve_order"] }
+serde_json = { version = "1.0.86", features = ["preserve_order"] }
 indexmap = { version = "1.9.1", features = ["serde"] }
 
 tokio = { version = "1.21.2", features = ["time", "rt-multi-thread", "macros", "tracing"] }
@@ -48,7 +48,7 @@ zebra-state = { path = "../zebra-state" }
 insta = { version = "1.21.0", features = ["redactions", "json"] }
 proptest = "0.10.1"
 proptest-derive = "0.3.0"
-serde_json = "1.0.85"
+serde_json = "1.0.86"
 thiserror = "1.0.37"
 
 tokio = { version = "1.21.2", features = ["full", "tracing", "test-util"] }
diff --git a/zebra-utils/Cargo.toml b/zebra-utils/Cargo.toml
index 4c8581e1..89c7cde4 100644
--- a/zebra-utils/Cargo.toml
+++ b/zebra-utils/Cargo.toml
@@ -15,7 +15,7 @@ tinyvec = { version = "1.6.0", features = ["rustc_1_55"] }
 
 structopt = "0.3.26"
 hex = "0.4.3"
-serde_json = "1.0.85"
+serde_json = "1.0.86"
 tracing-error = "0.2.0"
 tracing-subscriber = "0.3.15"
 
diff --git a/zebrad/Cargo.toml b/zebrad/Cargo.toml
index 112c5109..a9645ef8 100644
--- a/zebrad/Cargo.toml
+++ b/zebrad/Cargo.toml
@@ -156,7 +156,7 @@ regex = "1.6.0"
 semver = "1.0.14"
 
 # zebra-rpc needs the preserve_order feature, it also makes test results more stable
-serde_json = { version = "1.0.85", features = ["preserve_order"] }
+serde_json = { version = "1.0.86", features = ["preserve_order"] }
 tempfile = "3.3.0"
 
 hyper = { version = "0.14.20", features = ["http1", "http2", "server"]}