diff --git a/tools/floppy-witness/Cargo.lock b/tools/floppy-witness/Cargo.lock
index 21220d41..f2817ebc 100644
--- a/tools/floppy-witness/Cargo.lock
+++ b/tools/floppy-witness/Cargo.lock
@@ -144,7 +144,7 @@ dependencies = [
  "num-traits",
  "pastey",
  "rayon",
- "thiserror 2.0.18",
+ "thiserror",
  "v_frame",
  "y4m",
 ]
@@ -1570,7 +1570,7 @@ dependencies = [
  "rand",
  "rand_chacha",
  "simd_helpers",
- "thiserror 2.0.18",
+ "thiserror",
  "v_frame",
  "wasm-bindgen",
 ]
@@ -1681,7 +1681,7 @@ dependencies = [
  "serde",
  "serde_json",
  "sha2",
- "thiserror 1.0.69",
+ "thiserror",
  "tokio",
 ]
 
@@ -1966,33 +1966,13 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
-[[package]]
-name = "thiserror"
-version = "1.0.69"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
-dependencies = [
- "thiserror-impl 1.0.69",
-]
-
 [[package]]
 name = "thiserror"
 version = "2.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4288b5bcbc7920c07a1149a35cf9590a2aa808e0bc1eafaade0b80947865fbc4"
 dependencies = [
- "thiserror-impl 2.0.18",
-]
-
-[[package]]
-name = "thiserror-impl"
-version = "1.0.69"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "thiserror-impl",
 ]
 
 [[package]]
diff --git a/tools/floppy-witness/Cargo.toml b/tools/floppy-witness/Cargo.toml
index 9c70419e..8c4b4b0b 100644
--- a/tools/floppy-witness/Cargo.toml
+++ b/tools/floppy-witness/Cargo.toml
@@ -15,7 +15,7 @@ serde_json = "1.0"
 sha2 = "0.10"
 hex = "0.4"
 anyhow = "1.0"
-thiserror = "1.0"
+thiserror = "2.0"
 chrono = { version = "0.4", features = ["serde"] }
 qrcode = "0.14"
 image = "0.25"