diff --git a/platforms/tui/Cargo.lock b/platforms/tui/Cargo.lock
index 5a9b0393..a92a0b06 100644
--- a/platforms/tui/Cargo.lock
+++ b/platforms/tui/Cargo.lock
@@ -761,7 +761,7 @@ dependencies = [
  "sha2",
  "symphonia",
  "sysinfo",
- "thiserror 1.0.69",
+ "thiserror 2.0.20",
  "tokio",
  "tokio-util",
  "tracing",
diff --git a/platforms/windows/src/engine/Cargo.toml b/platforms/windows/src/engine/Cargo.toml
index 8252a94a..5feef51e 100644
--- a/platforms/windows/src/engine/Cargo.toml
+++ b/platforms/windows/src/engine/Cargo.toml
@@ -50,7 +50,7 @@ tracing-appender   = "0.2"
 
 # Errors.
 anyhow    = "1"
-thiserror = "1"
+thiserror = "2"
 
 # Filesystem walk + path utilities. Faster than std::fs::read_dir at scale.
 walkdir   = "2"