diff --git a/Cargo.lock b/Cargo.lock
index f80937287..863d6b98e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3532,18 +3532,18 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "1.0.25"
+version = "1.0.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fa6f76457f59514c7eeb4e59d891395fab0b2fd1d40723ae737d64153392e9c6"
+checksum = "283d5230e63df9608ac7d9691adc1dfb6e701225436eb64d0b9a7f0a5a04f6ec"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.25"
+version = "1.0.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a36768c0fbf1bb15eca10defa29526bda730a2376c2ab4393ccfa16fb1a318d"
+checksum = "fa3884228611f5cd3608e2d409bf7dce832e4eb3135e3f11addbd7e41bd68e71"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.7",
diff --git a/zebra-consensus/Cargo.toml b/zebra-consensus/Cargo.toml
index d52da1205..0f36ad6b0 100644
--- a/zebra-consensus/Cargo.toml
+++ b/zebra-consensus/Cargo.toml
@@ -20,7 +20,7 @@ serde = { version = "1", features = ["serde_derive"] }
 futures = "0.3.17"
 futures-util = "0.3.17"
 metrics = "0.13.0-alpha.8"
-thiserror = "1.0.25"
+thiserror = "1.0.28"
 tokio = { version = "0.3.6", features = ["time", "sync", "stream", "tracing"] }
 tower = { version = "0.4", features = ["timeout", "util", "buffer"] }
 tracing = "0.1.26"
diff --git a/zebra-script/Cargo.toml b/zebra-script/Cargo.toml
index 4cc1f4199..720c943ed 100644
--- a/zebra-script/Cargo.toml
+++ b/zebra-script/Cargo.toml
@@ -10,7 +10,7 @@ edition = "2018"
 [dependencies]
 zcash_script = "0.1.6-alpha.0"
 zebra-chain = { path = "../zebra-chain" }
-thiserror = "1.0.25"
+thiserror = "1.0.28"
 displaydoc = "0.2.2"
 
 [dev-dependencies]
diff --git a/zebra-state/Cargo.toml b/zebra-state/Cargo.toml
index 4cfbf9f8a..b8f56d6dc 100644
--- a/zebra-state/Cargo.toml
+++ b/zebra-state/Cargo.toml
@@ -22,7 +22,7 @@ futures = "0.3.17"
 metrics = "0.13.0-alpha.8"
 tower = { version = "0.4", features = ["buffer", "util"] }
 tracing = "0.1"
-thiserror = "1.0.25"
+thiserror = "1.0.28"
 tokio = { version = "0.3.6", features = ["sync"] }
 displaydoc = "0.2.2"
 rocksdb = "0.16.0"
diff --git a/zebra-test/Cargo.toml b/zebra-test/Cargo.toml
index f6dd72b3a..0c0055961 100644
--- a/zebra-test/Cargo.toml
+++ b/zebra-test/Cargo.toml
@@ -23,7 +23,7 @@ color-eyre = "0.5.11"
 owo-colors = "2.0.0"
 pretty_assertions = "0.7.2"
 spandoc = "0.2.0"
-thiserror = "1.0.25"
+thiserror = "1.0.28"
 tracing = "0.1.26"
 tracing-subscriber = "0.2.19"
 tracing-error = "0.1.2"