diff --git a/Cargo.lock b/Cargo.lock
index 901fd9a..870f983 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1406,7 +1406,7 @@ dependencies = [
  "predicates",
  "syn 3.0.5",
  "tempfile",
- "thiserror 1.0.69",
+ "thiserror 2.0.20",
  "walkdir",
 ]
 
@@ -1419,7 +1419,7 @@ dependencies = [
  "serde",
  "serde_json",
  "tempfile",
- "thiserror 1.0.69",
+ "thiserror 2.0.20",
  "tungstenite",
  "xxhash-rust",
  "zstd",
@@ -1473,7 +1473,7 @@ dependencies = [
  "tauri",
  "tauri-build",
  "tauri-plugin-dialog",
- "thiserror 1.0.69",
+ "thiserror 2.0.20",
  "tungstenite",
 ]
 
diff --git a/crates/foldback-cli/Cargo.toml b/crates/foldback-cli/Cargo.toml
index 43dece0..8cda873 100644
--- a/crates/foldback-cli/Cargo.toml
+++ b/crates/foldback-cli/Cargo.toml
@@ -12,7 +12,7 @@ path = "src/main.rs"
 [dependencies]
 foldback-core = { path = "../foldback-core" }
 clap = { version = "4", features = ["derive"] }
-thiserror = "1"
+thiserror = "2"
 syn = { version = "3.0.5", features = ["full"] }
 walkdir = "2.5.0"
 
diff --git a/crates/foldback-ui/Cargo.toml b/crates/foldback-ui/Cargo.toml
index 0fc5185..9d54e98 100644
--- a/crates/foldback-ui/Cargo.toml
+++ b/crates/foldback-ui/Cargo.toml
@@ -15,7 +15,7 @@ tauri = { version = "2", features = [] }
 tauri-plugin-dialog = "2"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
-thiserror = "1"
+thiserror = "2"
 tungstenite = "0.30"
 
 [dev-dependencies]