diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6167b3c056..ab42c49bbc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -58,6 +58,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ### Changed
 
+- Updated `hash32` from `0.3.0` to `1.0.0`.
 - Updated defmt from 0.3 to 1.0.1
   - Changed the feature name from `defmt-03` to `defmt`.
 - Changed the error type of these methods from `()` to `CapacityError`.
diff --git a/Cargo.toml b/Cargo.toml
index ffafc5c538..21a7f82279 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -49,7 +49,7 @@ nightly = []
 [dependencies]
 bytes = { version = "1", default-features = false, optional = true }
 portable-atomic = { version = "1.0", optional = true }
-hash32 = "0.3.0"
+hash32 = { git = "https://github.com/rust-embedded-community/hash32.git", rev = "e25fe5b4d22a0e0eca9201add6c78b683d2fdc87" } 
 serde = { version = "1", optional = true, default-features = false }
 ufmt = { version = "0.2", optional = true }
 ufmt-write = { version = "0.1", optional = true }
diff --git a/src/de.rs b/src/de.rs
index 7c1cb5bc81..e073e394c9 100644
--- a/src/de.rs
+++ b/src/de.rs
@@ -4,10 +4,9 @@ use crate::{
 };
 use core::{
     fmt,
-    hash::{Hash, Hasher},
+    hash::{BuildHasherDefault, Hash, Hasher},
     marker::PhantomData,
 };
-use hash32::BuildHasherDefault;
 use serde::de::{self, Deserialize, Deserializer, Error, MapAccess, SeqAccess};
 
 // Sequential containers
diff --git a/src/index_map.rs b/src/index_map.rs
index b89dcee927..d4916f245e 100644
--- a/src/index_map.rs
+++ b/src/index_map.rs
@@ -2,13 +2,13 @@
 use core::{
     borrow::Borrow,
     fmt,
-    hash::{BuildHasher, Hash},
+    hash::{BuildHasher, BuildHasherDefault, Hash},
     mem,
     num::NonZeroU32,
     ops, slice,
 };
 
-use hash32::{BuildHasherDefault, FnvHasher};
+use hash32::FnvHasher;
 
 use crate::Vec;
 
diff --git a/src/index_set.rs b/src/index_set.rs
index 53fd0ea307..4789117b68 100644
--- a/src/index_set.rs
+++ b/src/index_set.rs
@@ -2,10 +2,10 @@
 use core::{
     borrow::Borrow,
     fmt,
-    hash::{BuildHasher, Hash},
+    hash::{BuildHasher, BuildHasherDefault, Hash},
 };
 
-use hash32::{BuildHasherDefault, FnvHasher};
+use hash32::FnvHasher;
 
 use crate::index_map::{self, IndexMap};