diff --git a/Cargo.toml b/Cargo.toml
index 437ad15..aae5110 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "embedded-tls"
-version = "0.15.0"
+version = "0.16.0"
 edition = "2021"
 description = "TLS 1.3 client with no_std support and no allocator"
 documentation = "https://docs.rs/embedded-tls"
@@ -23,9 +23,9 @@ digest = { version = "0.10.3", default-features = false, features = ["core-api"]
 typenum = { version = "1.15.0", default-features = false }
 heapless = { version = "0.7", default-features = false }
 heapless_typenum = { package = "heapless", version = "0.6", default-features = false }
-embedded-io = "0.5"
-embedded-io-async = { version = "0.5", optional = true }
-embedded-io-adapters = { version = "0.5", optional = true }
+embedded-io = "0.6"
+embedded-io-async = { version = "0.6", optional = true }
+embedded-io-adapters = { version = "0.6", optional = true }
 generic-array = { version = "0.14", default-features = false }
 #webpki = { version = "0.22.0", default-features = false }
 #webpki = { path = "../../webpki", default-features = false }
diff --git a/examples/blocking/Cargo.toml b/examples/blocking/Cargo.toml
index 27ff8ec..e073417 100644
--- a/examples/blocking/Cargo.toml
+++ b/examples/blocking/Cargo.toml
@@ -9,8 +9,8 @@ authors = [
 
 [dependencies]
 embedded-tls = { path = "../..", features = ["log", "std", "webpki"], default-features = false }
-embedded-io = { version = "0.5.0" }
-embedded-io-adapters = { version = "0.5.0", features = ["std"] }
+embedded-io = { version = "0.6.0" }
+embedded-io-adapters = { version = "0.6.0", features = ["std"] }
 pem-parser = "0.1"
 env_logger = "0.10"
 rand = "0.8"
diff --git a/examples/embassy/Cargo.toml b/examples/embassy/Cargo.toml
index fe899c5..f9f8082 100644
--- a/examples/embassy/Cargo.toml
+++ b/examples/embassy/Cargo.toml
@@ -21,8 +21,8 @@ futures = { version = "0.3.17" }
 libc = "0.2.101"
 clap = { version = "3.0", features = ["derive", "color"] }
 heapless = { version = "0.7.5", default-features = false }
-embedded-io-async = { version = "0.5.0" }
-embedded-io-adapters = { version = "0.5.0", features = ["futures-03"] }
+embedded-io-async = { version = "0.6.0" }
+embedded-io-adapters = { version = "0.6.0", features = ["futures-03"] }
 critical-section = { version = "1.1", features = ["std"] }
 
 [patch.crates-io]
diff --git a/examples/nrf52/Cargo.toml b/examples/nrf52/Cargo.toml
index d1dd090..2056732 100644
--- a/examples/nrf52/Cargo.toml
+++ b/examples/nrf52/Cargo.toml
@@ -9,7 +9,7 @@ authors = [
 
 [dependencies]
 embedded-tls = { path = "../..", default-features = false }
-embedded-io = "0.5.0"
+embedded-io = "0.6.0"
 defmt = "0.3"
 defmt-rtt = "0.4"
 panic-probe = { version = "0.3", features = ["print-defmt"] }
diff --git a/examples/tokio-psk/Cargo.toml b/examples/tokio-psk/Cargo.toml
index 7a41e0d..4f488e0 100644
--- a/examples/tokio-psk/Cargo.toml
+++ b/examples/tokio-psk/Cargo.toml
@@ -5,8 +5,8 @@ edition = "2021"
 
 [dependencies]
 embedded-tls = { path = "../..", features = ["log", "tokio"] }
-embedded-io-adapters = { version = "0.5.0", features = ["tokio-1"] }
-embedded-io-async = "0.5.0"
+embedded-io-adapters = { version = "0.6.0", features = ["tokio-1"] }
+embedded-io-async = "0.6.0"
 env_logger = "0.10"
 tokio = { version = "1.7", features = ["full"] }
 rand = "0.8"
diff --git a/examples/tokio/Cargo.toml b/examples/tokio/Cargo.toml
index b40e4f1..9035d8d 100644
--- a/examples/tokio/Cargo.toml
+++ b/examples/tokio/Cargo.toml
@@ -9,8 +9,8 @@ authors = [
 
 [dependencies]
 embedded-tls = { path = "../..", features = ["log", "tokio"] }
-embedded-io-adapters = { version = "0.5.0", features = ["tokio-1"] }
-embedded-io-async = "0.5.0"
+embedded-io-adapters = { version = "0.6.0", features = ["tokio-1"] }
+embedded-io-async = "0.6.0"
 env_logger = "0.10"
 tokio = { version = "1.7", features = ["full"] }
 rand = "0.8"
diff --git a/src/asynch.rs b/src/asynch.rs
index 31a2b26..52d0991 100644
--- a/src/asynch.rs
+++ b/src/asynch.rs
@@ -141,7 +141,10 @@ where
             let key_schedule = self.key_schedule.write_state();
             let slice = self.record_write_buf.close_record(key_schedule)?;
 
-            self.delegate.write_all(slice).await?;
+            self.delegate
+                .write_all(slice)
+                .await
+                .map_err(|e| TlsError::Io(e.kind()))?;
 
             key_schedule.increment_counter();
 
@@ -213,7 +216,10 @@ where
             Some(read_key_schedule),
         )?;
 
-        self.delegate.write_all(slice).await?;
+        self.delegate
+            .write_all(slice)
+            .await
+            .map_err(|e| TlsError::Io(e.kind()))?;
 
         self.key_schedule.write_state().increment_counter();
 
@@ -511,7 +517,10 @@ where
         if !self.record_write_buf.is_empty() {
             let slice = self.record_write_buf.close_record(&mut self.key_schedule)?;
 
-            self.delegate.write_all(slice).await?;
+            self.delegate
+                .write_all(slice)
+                .await
+                .map_err(|e| TlsError::Io(e.kind()))?;
 
             self.key_schedule.increment_counter();
 
diff --git a/src/blocking.rs b/src/blocking.rs
index bc9eab1..1efe6f2 100644
--- a/src/blocking.rs
+++ b/src/blocking.rs
@@ -138,7 +138,9 @@ where
             let key_schedule = self.key_schedule.write_state();
             let slice = self.record_write_buf.close_record(key_schedule)?;
 
-            self.delegate.write_all(slice)?;
+            self.delegate
+                .write_all(slice)
+                .map_err(|e| TlsError::Io(e.kind()))?;
 
             key_schedule.increment_counter();
 
@@ -204,7 +206,9 @@ where
             Some(read_key_schedule),
         )?;
 
-        self.delegate.write_all(slice)?;
+        self.delegate
+            .write_all(slice)
+            .map_err(|e| TlsError::Io(e.kind()))?;
 
         self.key_schedule.write_state().increment_counter();
 
@@ -503,7 +507,9 @@ where
         if !self.record_write_buf.is_empty() {
             let slice = self.record_write_buf.close_record(&mut self.key_schedule)?;
 
-            self.delegate.write_all(slice)?;
+            self.delegate
+                .write_all(slice)
+                .map_err(|e| TlsError::Io(e.kind()))?;
 
             self.key_schedule.increment_counter();
 
diff --git a/src/connection.rs b/src/connection.rs
index df9d17b..82fbcb9 100644
--- a/src/connection.rs
+++ b/src/connection.rs
@@ -330,7 +330,9 @@ fn respond_blocking<CipherSuite>(
 where
     CipherSuite: TlsCipherSuite,
 {
-    transport.write_all(tx)?;
+    transport
+        .write_all(tx)
+        .map_err(|e| TlsError::Io(e.kind()))?;
 
     key_schedule.write_state().increment_counter();
 
@@ -372,7 +374,10 @@ async fn respond<CipherSuite>(
 where
     CipherSuite: TlsCipherSuite,
 {
-    transport.write_all(tx).await?;
+    transport
+        .write_all(tx)
+        .await
+        .map_err(|e| TlsError::Io(e.kind()))?;
 
     key_schedule.write_state().increment_counter();
 
diff --git a/src/lib.rs b/src/lib.rs
index 593979f..3953a23 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -137,19 +137,6 @@ impl embedded_io::Error for TlsError {
     }
 }
 
-use embedded_io::WriteAllError;
-impl<E> From<WriteAllError<E>> for TlsError
-where
-    E: embedded_io::Error,
-{
-    fn from(e: WriteAllError<E>) -> Self {
-        match e {
-            WriteAllError::WriteZero => Self::IoError,
-            WriteAllError::Other(e) => Self::Io(e.kind()),
-        }
-    }
-}
-
 #[cfg(feature = "std")]
 mod stdlib {
     use crate::config::TlsClock;