diff --git a/examples/linux/Cargo.lock b/examples/linux/Cargo.lock
index ce59cd6..70c545a 100644
--- a/examples/linux/Cargo.lock
+++ b/examples/linux/Cargo.lock
@@ -490,14 +490,15 @@ dependencies = [
 
 [[package]]
 name = "embassy-sync"
-version = "0.3.0"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0525b466ca3ace30b57f2db868a35215dfaecd038d8668cb2db03feb7c069a0"
+checksum = "dd938f25c0798db4280fcd8026bf4c2f48789aebf8f77b6e5cf8a7693ba114ec"
 dependencies = [
  "cfg-if",
  "critical-section",
+ "embedded-io-async",
  "futures-util",
- "heapless",
+ "heapless 0.8.0",
 ]
 
 [[package]]
@@ -510,7 +511,7 @@ dependencies = [
  "critical-section",
  "embedded-hal",
  "futures-util",
- "heapless",
+ "heapless 0.7.16",
  "log",
 ]
 
@@ -524,6 +525,21 @@ dependencies = [
  "void",
 ]
 
+[[package]]
+name = "embedded-io"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "edd0f118536f44f5ccd48bcb8b111bdc3de888b58c74639dfb034a357d0f206d"
+
+[[package]]
+name = "embedded-io-async"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3ff09972d4073aa8c299395be75161d582e7629cd663171d62af73c8d50dba3f"
+dependencies = [
+ "embedded-io",
+]
+
 [[package]]
 name = "errno"
 version = "0.3.5"
@@ -692,6 +708,15 @@ dependencies = [
  "byteorder",
 ]
 
+[[package]]
+name = "hash32"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "47d60b12902ba28e2730cd37e95b8c9223af2808df9e902d4df49588d1470606"
+dependencies = [
+ "byteorder",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.12.3"
@@ -705,12 +730,22 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "db04bc24a18b9ea980628ecf00e6c0264f3c1426dac36c00cb49b6fbad8b0743"
 dependencies = [
  "atomic-polyfill 0.1.11",
- "hash32",
+ "hash32 0.2.1",
  "rustc_version",
  "spin",
  "stable_deref_trait",
 ]
 
+[[package]]
+name = "heapless"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0bfb9eb618601c89945a70e254898da93b13be0388091d42117462b265bb3fad"
+dependencies = [
+ "hash32 0.3.1",
+ "stable_deref_trait",
+]
+
 [[package]]
 name = "heck"
 version = "0.4.1"
@@ -737,7 +772,7 @@ dependencies = [
  "embassy-futures",
  "embassy-sync",
  "futures",
- "heapless",
+ "heapless 0.7.16",
  "hmac",
  "p256",
  "p384",
@@ -851,7 +886,7 @@ dependencies = [
  "embassy-sync",
  "embassy-time",
  "futures",
- "heapless",
+ "heapless 0.7.16",
  "heimlig",
  "hex",
  "log",
diff --git a/examples/linux/Cargo.toml b/examples/linux/Cargo.toml
index e137bf3..5f83406 100644
--- a/examples/linux/Cargo.toml
+++ b/examples/linux/Cargo.toml
@@ -11,7 +11,7 @@ path = "src/main.rs"
 
 [dependencies]
 embassy-executor = { version = "0.3.0", features = ["arch-std", "executor-thread", "integrated-timers", "log", "nightly"] }
-embassy-sync = { version = "0.3.0" }
+embassy-sync = { version = "0.5.0" }
 embassy-time = { version = "0.1.3", features = ["log", "std"] }
 futures = "0.3.28"
 heapless = "0.7.16"
diff --git a/examples/stm32h745i/cm4/Cargo.lock b/examples/stm32h745i/cm4/Cargo.lock
index 46e83b0..39e6819 100644
--- a/examples/stm32h745i/cm4/Cargo.lock
+++ b/examples/stm32h745i/cm4/Cargo.lock
@@ -560,7 +560,7 @@ source = "git+https://github.com/embassy-rs/embassy.git#b6fc682117a41e8e63a9632e
 dependencies = [
  "defmt",
  "embassy-futures 0.1.0 (git+https://github.com/embassy-rs/embassy.git)",
- "embassy-sync 0.3.0 (git+https://github.com/embassy-rs/embassy.git)",
+ "embassy-sync 0.3.0",
  "embassy-time",
  "embedded-hal 0.2.7",
  "embedded-hal 1.0.0-rc.1",
@@ -643,7 +643,7 @@ dependencies = [
  "embassy-futures 0.1.0 (git+https://github.com/embassy-rs/embassy.git)",
  "embassy-hal-internal",
  "embassy-net-driver",
- "embassy-sync 0.3.0 (git+https://github.com/embassy-rs/embassy.git)",
+ "embassy-sync 0.3.0",
  "embassy-time",
  "embassy-usb-driver",
  "embedded-hal 0.2.7",
@@ -668,25 +668,26 @@ dependencies = [
 [[package]]
 name = "embassy-sync"
 version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0525b466ca3ace30b57f2db868a35215dfaecd038d8668cb2db03feb7c069a0"
+source = "git+https://github.com/embassy-rs/embassy.git#b6fc682117a41e8e63a9632e06da5a17f46d9ab0"
 dependencies = [
  "cfg-if",
  "critical-section",
+ "defmt",
  "futures-util",
- "heapless",
+ "heapless 0.7.16",
 ]
 
 [[package]]
 name = "embassy-sync"
-version = "0.3.0"
-source = "git+https://github.com/embassy-rs/embassy.git#b6fc682117a41e8e63a9632e06da5a17f46d9ab0"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd938f25c0798db4280fcd8026bf4c2f48789aebf8f77b6e5cf8a7693ba114ec"
 dependencies = [
  "cfg-if",
  "critical-section",
- "defmt",
+ "embedded-io-async",
  "futures-util",
- "heapless",
+ "heapless 0.8.0",
 ]
 
 [[package]]
@@ -701,7 +702,7 @@ dependencies = [
  "embedded-hal 1.0.0-rc.1",
  "embedded-hal-async",
  "futures-util",
- "heapless",
+ "heapless 0.7.16",
 ]
 
 [[package]]
@@ -758,9 +759,9 @@ dependencies = [
 
 [[package]]
 name = "embedded-io-async"
-version = "0.6.0"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "de03527d6fb488b2d7c7a4dc81dfb6a657efe264256bfc70bb899746821666b1"
+checksum = "3ff09972d4073aa8c299395be75161d582e7629cd663171d62af73c8d50dba3f"
 dependencies = [
  "defmt",
  "embedded-io",
@@ -933,6 +934,15 @@ dependencies = [
  "byteorder",
 ]
 
+[[package]]
+name = "hash32"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "47d60b12902ba28e2730cd37e95b8c9223af2808df9e902d4df49588d1470606"
+dependencies = [
+ "byteorder",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.12.3"
@@ -946,12 +956,22 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "db04bc24a18b9ea980628ecf00e6c0264f3c1426dac36c00cb49b6fbad8b0743"
 dependencies = [
  "atomic-polyfill 0.1.11",
- "hash32",
+ "hash32 0.2.1",
  "rustc_version 0.4.0",
  "spin",
  "stable_deref_trait",
 ]
 
+[[package]]
+name = "heapless"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0bfb9eb618601c89945a70e254898da93b13be0388091d42117462b265bb3fad"
+dependencies = [
+ "hash32 0.3.1",
+ "stable_deref_trait",
+]
+
 [[package]]
 name = "heck"
 version = "0.4.1"
@@ -976,9 +996,9 @@ dependencies = [
  "ed25519-dalek",
  "elliptic-curve",
  "embassy-futures 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "embassy-sync 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "embassy-sync 0.5.0",
  "futures",
- "heapless",
+ "heapless 0.7.16",
  "hmac",
  "p256",
  "p384",
@@ -1493,7 +1513,7 @@ dependencies = [
  "embassy-executor",
  "embassy-stm32",
  "embassy-time",
- "heapless",
+ "heapless 0.7.16",
  "heimlig",
  "panic-probe",
  "rand",
diff --git a/examples/stm32h745i/cm7/Cargo.lock b/examples/stm32h745i/cm7/Cargo.lock
index 279dfc8..e2e1d95 100644
--- a/examples/stm32h745i/cm7/Cargo.lock
+++ b/examples/stm32h745i/cm7/Cargo.lock
@@ -560,7 +560,7 @@ source = "git+https://github.com/embassy-rs/embassy.git#b6fc682117a41e8e63a9632e
 dependencies = [
  "defmt",
  "embassy-futures 0.1.0 (git+https://github.com/embassy-rs/embassy.git)",
- "embassy-sync 0.3.0 (git+https://github.com/embassy-rs/embassy.git)",
+ "embassy-sync 0.3.0",
  "embassy-time 0.1.5",
  "embedded-hal 0.2.7",
  "embedded-hal 1.0.0-rc.1",
@@ -645,7 +645,7 @@ dependencies = [
  "embassy-futures 0.1.0 (git+https://github.com/embassy-rs/embassy.git)",
  "embassy-hal-internal",
  "embassy-net-driver",
- "embassy-sync 0.3.0 (git+https://github.com/embassy-rs/embassy.git)",
+ "embassy-sync 0.3.0",
  "embassy-time 0.1.5",
  "embassy-usb-driver",
  "embedded-hal 0.2.7",
@@ -670,25 +670,26 @@ dependencies = [
 [[package]]
 name = "embassy-sync"
 version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0525b466ca3ace30b57f2db868a35215dfaecd038d8668cb2db03feb7c069a0"
+source = "git+https://github.com/embassy-rs/embassy.git#b6fc682117a41e8e63a9632e06da5a17f46d9ab0"
 dependencies = [
  "cfg-if",
  "critical-section",
+ "defmt",
  "futures-util",
- "heapless",
+ "heapless 0.7.16",
 ]
 
 [[package]]
 name = "embassy-sync"
-version = "0.3.0"
-source = "git+https://github.com/embassy-rs/embassy.git#b6fc682117a41e8e63a9632e06da5a17f46d9ab0"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd938f25c0798db4280fcd8026bf4c2f48789aebf8f77b6e5cf8a7693ba114ec"
 dependencies = [
  "cfg-if",
  "critical-section",
- "defmt",
+ "embedded-io-async",
  "futures-util",
- "heapless",
+ "heapless 0.8.0",
 ]
 
 [[package]]
@@ -701,7 +702,7 @@ dependencies = [
  "critical-section",
  "embedded-hal 0.2.7",
  "futures-util",
- "heapless",
+ "heapless 0.7.16",
 ]
 
 [[package]]
@@ -716,7 +717,7 @@ dependencies = [
  "embedded-hal 1.0.0-rc.1",
  "embedded-hal-async",
  "futures-util",
- "heapless",
+ "heapless 0.7.16",
 ]
 
 [[package]]
@@ -773,9 +774,9 @@ dependencies = [
 
 [[package]]
 name = "embedded-io-async"
-version = "0.6.0"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "de03527d6fb488b2d7c7a4dc81dfb6a657efe264256bfc70bb899746821666b1"
+checksum = "3ff09972d4073aa8c299395be75161d582e7629cd663171d62af73c8d50dba3f"
 dependencies = [
  "defmt",
  "embedded-io",
@@ -948,6 +949,15 @@ dependencies = [
  "byteorder",
 ]
 
+[[package]]
+name = "hash32"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "47d60b12902ba28e2730cd37e95b8c9223af2808df9e902d4df49588d1470606"
+dependencies = [
+ "byteorder",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.12.3"
@@ -961,12 +971,22 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "db04bc24a18b9ea980628ecf00e6c0264f3c1426dac36c00cb49b6fbad8b0743"
 dependencies = [
  "atomic-polyfill 0.1.11",
- "hash32",
+ "hash32 0.2.1",
  "rustc_version 0.4.0",
  "spin",
  "stable_deref_trait",
 ]
 
+[[package]]
+name = "heapless"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0bfb9eb618601c89945a70e254898da93b13be0388091d42117462b265bb3fad"
+dependencies = [
+ "hash32 0.3.1",
+ "stable_deref_trait",
+]
+
 [[package]]
 name = "heck"
 version = "0.4.1"
@@ -991,9 +1011,9 @@ dependencies = [
  "ed25519-dalek",
  "elliptic-curve",
  "embassy-futures 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "embassy-sync 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "embassy-sync 0.5.0",
  "futures",
- "heapless",
+ "heapless 0.7.16",
  "hmac",
  "p256",
  "p384",
@@ -1498,9 +1518,9 @@ dependencies = [
  "defmt-rtt",
  "embassy-executor",
  "embassy-stm32",
- "embassy-sync 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "embassy-sync 0.5.0",
  "embassy-time 0.1.5",
- "heapless",
+ "heapless 0.7.16",
  "heimlig",
  "panic-probe",
  "rand_chacha",
diff --git a/examples/stm32h745i/cm7/Cargo.toml b/examples/stm32h745i/cm7/Cargo.toml
index a00a8d3..ea23b2d 100644
--- a/examples/stm32h745i/cm7/Cargo.toml
+++ b/examples/stm32h745i/cm7/Cargo.toml
@@ -20,7 +20,7 @@ defmt = { version = "0.3.5", default-features = false }
 defmt-rtt = { version = "0.4.0", default-features = false }
 embassy-executor = { version = "0.3.0", features = ["arch-cortex-m", "defmt", "executor-thread", "integrated-timers", "nightly"] }
 embassy-stm32 = { git = "https://github.com/embassy-rs/embassy.git", version = "0.1.0", features = ["nightly", "defmt", "stm32h745xi-cm7", "time-driver-any", "exti", "unstable-pac", "unstable-traits"] }
-embassy-sync = { version = "0.3.0", default-features = false }
+embassy-sync = { version = "0.5.0", default-features = false }
 embassy-time = { git = "https://github.com/embassy-rs/embassy.git", version = "0.1.2", features = ["defmt", "defmt-timestamp-uptime", "nightly", "tick-hz-32_768", "unstable-traits"] }
 heapless = { version = "0.7.16", default-features = false }
 panic-probe = { version = "0.3.1", features = ["print-defmt"] }
diff --git a/heimlig/Cargo.lock b/heimlig/Cargo.lock
index 927b275..8065770 100644
--- a/heimlig/Cargo.lock
+++ b/heimlig/Cargo.lock
@@ -558,14 +558,30 @@ checksum = "47e5367165d347c039360f784812f493b001583ab6a3dd8622f4ce9c30374ec3"
 
 [[package]]
 name = "embassy-sync"
-version = "0.3.0"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0525b466ca3ace30b57f2db868a35215dfaecd038d8668cb2db03feb7c069a0"
+checksum = "dd938f25c0798db4280fcd8026bf4c2f48789aebf8f77b6e5cf8a7693ba114ec"
 dependencies = [
  "cfg-if",
  "critical-section",
+ "embedded-io-async",
  "futures-util",
- "heapless",
+ "heapless 0.8.0",
+]
+
+[[package]]
+name = "embedded-io"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "edd0f118536f44f5ccd48bcb8b111bdc3de888b58c74639dfb034a357d0f206d"
+
+[[package]]
+name = "embedded-io-async"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3ff09972d4073aa8c299395be75161d582e7629cd663171d62af73c8d50dba3f"
+dependencies = [
+ "embedded-io",
 ]
 
 [[package]]
@@ -744,6 +760,15 @@ dependencies = [
  "byteorder",
 ]
 
+[[package]]
+name = "hash32"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "47d60b12902ba28e2730cd37e95b8c9223af2808df9e902d4df49588d1470606"
+dependencies = [
+ "byteorder",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.12.3"
@@ -757,12 +782,22 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "db04bc24a18b9ea980628ecf00e6c0264f3c1426dac36c00cb49b6fbad8b0743"
 dependencies = [
  "atomic-polyfill",
- "hash32",
+ "hash32 0.2.1",
  "rustc_version",
  "spin",
  "stable_deref_trait",
 ]
 
+[[package]]
+name = "heapless"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0bfb9eb618601c89945a70e254898da93b13be0388091d42117462b265bb3fad"
+dependencies = [
+ "hash32 0.3.1",
+ "stable_deref_trait",
+]
+
 [[package]]
 name = "heck"
 version = "0.4.1"
@@ -790,7 +825,7 @@ dependencies = [
  "embassy-futures",
  "embassy-sync",
  "futures",
- "heapless",
+ "heapless 0.7.16",
  "hex",
  "hmac",
  "p256",
diff --git a/heimlig/Cargo.toml b/heimlig/Cargo.toml
index c43f3e6..6bd77c0 100644
--- a/heimlig/Cargo.toml
+++ b/heimlig/Cargo.toml
@@ -22,7 +22,7 @@ ecdsa = { version = "0.16.8", default-features = false }
 ed25519-dalek = { version = "2.1.1", default-features = false, features = ["zeroize"] }
 elliptic-curve = { version = "0.13.5", default-features = false }
 embassy-futures = { version = "0.1.0", default-features = false }
-embassy-sync = { version = "0.3.0", default-features = false }
+embassy-sync = { version = "0.5.0", default-features = false }
 futures = { version = "0.3.28", default-features = false }
 heapless = { version = "0.7.16", default-features = false, features = ["cas", "x86-sync-pool"] }
 hmac = { version = "0.12.1", default-features = false }