diff --git a/Cargo.toml b/Cargo.toml
index b05cc52..80e901e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,7 +18,7 @@ repository = "https://github.com/gcrumbs/gns-browser"
 # Shared dependencies across workspace
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
-thiserror = "1.0"
+thiserror = "2.0"
 hex = "0.4"
 base64 = "0.21"
 chrono = { version = "0.4", features = ["serde"] }
diff --git a/apps/desktop/src-tauri/Cargo.toml b/apps/desktop/src-tauri/Cargo.toml
index d933a73..a8c5d91 100644
--- a/apps/desktop/src-tauri/Cargo.toml
+++ b/apps/desktop/src-tauri/Cargo.toml
@@ -59,7 +59,7 @@ uuid = { version = "1.6", features = ["v4"] }
 chrono = { version = "0.4", features = ["serde"] }
 hex = "0.4"
 base64 = "0.21"
-thiserror = "1.0"
+thiserror = "2.0"
 anyhow = "1.0"
 open = "5.0"
 dirs = "5.0"
diff --git a/crates/gns-crypto-core/Cargo.toml b/crates/gns-crypto-core/Cargo.toml
index ca25394..2442cb7 100644
--- a/crates/gns-crypto-core/Cargo.toml
+++ b/crates/gns-crypto-core/Cargo.toml
@@ -39,7 +39,7 @@ base64 = "0.21"
 bs58 = "0.5"
 
 # Utilities
-thiserror = "1.0"
+thiserror = "2.0"
 uuid = { version = "1.6", features = ["v4"] }
 chrono = { version = "0.4", features = ["serde"] }