diff --git a/Cargo.toml b/Cargo.toml
index 109ea80..5d2419b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -51,10 +51,10 @@ tempfile = "3.3.0"
 tokio = { version = "1.21.2", default-features = false }
 uuid = "1.1.2"
 wash = { version = "0.1.0", git = "https://github.com/rvolosatovs/wash", artifact = "bin", target = "wasm32-wasi", default-features = false }
-wasi-common = "2.0.0"
-wasmtime = "2.0.0"
+wasi-common = "3.0.1"
+wasmtime = "3.0.1"
 wasmtime-vfs-dir = { path = "./dir", version = "0.1.0" }
 wasmtime-vfs-file = { path = "./file", version = "0.1.0" }
 wasmtime-vfs-ledger = { path = "./ledger", version = "0.1.0" }
 wasmtime-vfs-memory = { path = "./memory", version = "0.1.0" }
-wasmtime-wasi = "2.0.0"
+wasmtime-wasi = "3.0.1"
diff --git a/file/src/lib.rs b/file/src/lib.rs
index c53266c..517ee68 100644
--- a/file/src/lib.rs
+++ b/file/src/lib.rs
@@ -5,7 +5,7 @@ use std::ops::{Deref, DerefMut};
 use std::sync::Arc;
 
 use wasi_common::file::{Advice, FdFlags, FileType, Filestat};
-use wasi_common::{Error, ErrorExt, ErrorKind, SystemTimeSpec, WasiDir, WasiFile};
+use wasi_common::{Error, ErrorExt, SystemTimeSpec, WasiDir, WasiFile};
 use wasmtime_vfs_ledger::InodeId;
 use wasmtime_vfs_memory::{Data, Inode, Link, Node, Open, State};
 
@@ -295,16 +295,17 @@ impl WasiFile for OpenFile {
             SeekFrom::Current(_) => i64::try_from(olock.pos),
             SeekFrom::Start(_) => Ok(0),
             SeekFrom::End(_) => i64::try_from(ilock.content.len()),
-        };
+        }
+        .map_err(|e| Error::invalid_argument().context(e))?;
 
         let off = match pos {
             SeekFrom::Current(off) => Ok(off),
             SeekFrom::Start(off) => i64::try_from(off),
             SeekFrom::End(off) => Ok(off),
-        };
+        }
+        .map_err(|e| Error::invalid_argument().context(e))?;
 
-        let pos = cur.map_err(|_| ErrorKind::Inval)? + off.map_err(|_| ErrorKind::Inval)?;
-        let pos = usize::try_from(pos).map_err(|_| ErrorKind::Inval)?;
+        let pos = usize::try_from(cur + off).map_err(|e| Error::invalid_argument().context(e))?;
         olock.pos = pos;
 
         Ok(pos as u64)
diff --git a/keyfs/src/generate.rs b/keyfs/src/generate.rs
index 8b1aaf3..f28817b 100644
--- a/keyfs/src/generate.rs
+++ b/keyfs/src/generate.rs
@@ -373,7 +373,7 @@ impl WasiFile for OpenGenerate {
             return Ok(total as u64);
         }
 
-        Err(ErrorKind::WouldBlk.into())
+        Err(std::io::Error::from(std::io::ErrorKind::WouldBlock).into())
     }
 
     async fn write_vectored<'a>(&mut self, bufs: &[IoSlice<'a>]) -> Result<u64, Error> {
diff --git a/keyfs/src/trust.rs b/keyfs/src/trust.rs
index fc0c739..89b096c 100644
--- a/keyfs/src/trust.rs
+++ b/keyfs/src/trust.rs
@@ -278,7 +278,7 @@ impl WasiFile for OpenTrust {
             return Ok(total as u64);
         }
 
-        Err(ErrorKind::WouldBlk.into())
+        Err(std::io::Error::from(std::io::ErrorKind::WouldBlock).into())
     }
 
     async fn write_vectored<'a>(&mut self, bufs: &[IoSlice<'a>]) -> Result<u64, Error> {
diff --git a/tests/util/wash.rs b/tests/util/wash.rs
index e87302c..d8c011a 100644
--- a/tests/util/wash.rs
+++ b/tests/util/wash.rs
@@ -2,8 +2,8 @@ use super::{Noop, Surround, Tee};
 
 use anyhow::{bail, Context};
 use wasi_common::pipe::{ReadPipe, WritePipe};
-use wasi_common::{WasiDir, WasiFile};
-use wasmtime::{Engine, Linker, Module, Store, Trap};
+use wasi_common::{I32Exit, WasiDir, WasiFile};
+use wasmtime::{Engine, Linker, Module, Store};
 use wasmtime_wasi::{stdio, WasiCtxBuilder};
 
 pub async fn wash(
@@ -80,8 +80,7 @@ pub async fn wash(
             .typed::<(), (), _>(&store)
             .context("failed to assert default function type")?
             .call(&mut store, ())
-            .as_ref()
-            .map_err(Trap::i32_exit_status)
+            .map_err(|e| e.downcast().map(|I32Exit(code)| code))
             .expect_err("`wash` did not set an exit code, did you forget to execute `exit`?")
             .context("failed to execute default function")?
     };