diff --git a/Cargo.toml b/Cargo.toml
index 897b624..9141b56 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,7 +23,7 @@ humantime = "2.1.0"
 http = "1"
 http-body = "1"
 http-body-util = "0.1.0"
-autoerr = "0.0.3"
+autoerr = "0.0"
 chrono = { version = "0.4.38", features = ["serde"] }
 wasmer = { version = "5.0.1", default-features = false, features = ["sys", "cranelift"], optional = true }
 netpod = { path = "../daqbuf-netpod", package = "daqbuf-netpod" }
diff --git a/src/rangefilter2/test.rs b/src/rangefilter2/test.rs
index b5c3062..fef40e2 100644
--- a/src/rangefilter2/test.rs
+++ b/src/rangefilter2/test.rs
@@ -13,8 +13,12 @@ use netpod::DtNano;
 use netpod::TsNano;
 use std::collections::VecDeque;
 
-#[derive(Debug, thiserror::Error)]
-pub enum Error {}
+autoerr::create_error_v1!(
+    name(Error, "RangefilterTest"),
+    enum variants {
+        Logic,
+    },
+);
 
 fn pu(c: &mut ContainerEvents<f32>, ts: TsNano, v: f32) {
     c.push_back(ts, v);
diff --git a/src/test.rs b/src/test.rs
index c383392..d9b19cd 100644
--- a/src/test.rs
+++ b/src/test.rs
@@ -14,9 +14,12 @@ use netpod::timeunits::SEC;
 use netpod::TsNano;
 use std::pin::Pin;
 
-#[derive(Debug, thiserror::Error)]
-#[cstm(name = "StreamsTest")]
-pub enum Error {}
+autoerr::create_error_v1!(
+    name(Error, "StreamsTest"),
+    enum variants {
+        Logic,
+    },
+);
 
 type BoxedEventStream = Pin<Box<dyn Stream<Item = Sitemty<ChannelEvents>> + Send>>;
 
diff --git a/src/test/events.rs b/src/test/events.rs
index d19e151..74e5949 100644
--- a/src/test/events.rs
+++ b/src/test/events.rs
@@ -23,12 +23,13 @@ use query::api4::events::PlainEventsQuery;
 use std::pin::Pin;
 use std::sync::Arc;
 
-#[derive(Debug, thiserror::Error)]
-#[cstm(name = "TestEvents")]
-pub enum Error {
-    InMem(#[from] crate::frames::inmem::Error),
-    Generator(#[from] crate::generators::Error),
-}
+autoerr::create_error_v1!(
+    name(Error, "TestEvents"),
+    enum variants {
+        InMem(#[from] crate::frames::inmem::Error),
+        Generator(#[from] crate::generators::Error),
+    },
+);
 
 #[test]
 fn merged_events_cbor() {