diff --git a/Cargo.lock b/Cargo.lock
index ac21a2e..e0e84d4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1143,7 +1143,7 @@ dependencies = [
  "ruma",
  "ruma-common",
  "serde",
- "thiserror 2.0.7",
+ "thiserror 2.0.9",
  "tokio",
  "tracing",
 ]
@@ -1364,7 +1364,7 @@ dependencies = [
  "rustc-hash",
  "rustls",
  "socket2",
- "thiserror 2.0.7",
+ "thiserror 2.0.9",
  "tokio",
  "tracing",
 ]
@@ -1383,7 +1383,7 @@ dependencies = [
  "rustls",
  "rustls-pki-types",
  "slab",
- "thiserror 2.0.7",
+ "thiserror 2.0.9",
  "tinyvec",
  "tracing",
  "web-time",
@@ -2002,11 +2002,11 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "2.0.7"
+version = "2.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "93605438cbd668185516ab499d589afb7ee1859ea3d5fc8f6b0755e1c7443767"
+checksum = "f072643fd0190df67a8bab670c20ef5d8737177d6ac6b2e9a236cb096206b2cc"
 dependencies = [
- "thiserror-impl 2.0.7",
+ "thiserror-impl 2.0.9",
 ]
 
 [[package]]
@@ -2022,9 +2022,9 @@ dependencies = [
 
 [[package]]
 name = "thiserror-impl"
-version = "2.0.7"
+version = "2.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e1d8749b4531af2117677a5fcd12b1348a3fe2b81e36e61ffeac5c4aa3273e36"
+checksum = "7b50fa271071aae2e6ee85f842e2e28ba8cd2c5fb67f11fcb1fd70b276f9e7d4"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index e2ea4b8..31f8cfc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,6 +14,6 @@ regex = "1.11.1"
 ruma = { version = "0.10.1", features = ["events"] }
 ruma-common = "0.13.0"
 serde = { version = "1.0.216", features = ["derive"] }
-thiserror = "2.0.7"
+thiserror = "2.0.9"
 tokio = "1.42.0"
 tracing = "0.1.41"