diff --git a/.github/workflows/documentation.yaml b/.github/workflows/documentation.yaml
index e0c534a30..ee0e36a1d 100644
--- a/.github/workflows/documentation.yaml
+++ b/.github/workflows/documentation.yaml
@@ -18,7 +18,6 @@ jobs:
       - name: Install Rust
         uses: actions-rs/toolchain@v1
         with:
-          toolchain: "1.50"
           override: true
       - name: Install LLVM
         shell: bash
diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
index 637eef9ec..e1e0d25e4 100644
--- a/.github/workflows/lint.yaml
+++ b/.github/workflows/lint.yaml
@@ -19,7 +19,6 @@ jobs:
         uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: "1.50"
           override: true
           components: rustfmt, clippy
       - name: Install LLVM (Linux)
diff --git a/Cargo.lock b/Cargo.lock
index df124b509..b16ca6245 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1723,9 +1723,9 @@ dependencies = [
 
 [[package]]
 name = "rkyv"
-version = "0.4.3"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70de01b38fe7baba4ecdd33b777096d2b326993d8ea99bc5b6ede691883d3010"
+checksum = "0d683f1540522e9ad21b786d534b274ff49b0e974bf3af31d7a930a6c3e3599d"
 dependencies = [
  "memoffset",
  "ptr_meta",
@@ -1735,9 +1735,9 @@ dependencies = [
 
 [[package]]
 name = "rkyv_derive"
-version = "0.4.0"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95a169f6bc5a81033e86ed39d0f4150e2608160b73d2b93c6e8e6a3efa873f14"
+checksum = "c848da2aad0c8395f7986a717b8f28a8fc05dd94463d949673803f4955d9f73a"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/fuzz/Cargo.lock b/fuzz/Cargo.lock
index 7c281012a..7ce1fb7e0 100644
--- a/fuzz/Cargo.lock
+++ b/fuzz/Cargo.lock
@@ -844,9 +844,9 @@ dependencies = [
 
 [[package]]
 name = "rkyv"
-version = "0.4.3"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70de01b38fe7baba4ecdd33b777096d2b326993d8ea99bc5b6ede691883d3010"
+checksum = "0d683f1540522e9ad21b786d534b274ff49b0e974bf3af31d7a930a6c3e3599d"
 dependencies = [
  "memoffset",
  "ptr_meta",
@@ -856,9 +856,9 @@ dependencies = [
 
 [[package]]
 name = "rkyv_derive"
-version = "0.4.0"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95a169f6bc5a81033e86ed39d0f4150e2608160b73d2b93c6e8e6a3efa873f14"
+checksum = "c848da2aad0c8395f7986a717b8f28a8fc05dd94463d949673803f4955d9f73a"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/lib/compiler/Cargo.toml b/lib/compiler/Cargo.toml
index c61654c87..c4be078a2 100644
--- a/lib/compiler/Cargo.toml
+++ b/lib/compiler/Cargo.toml
@@ -21,7 +21,7 @@ serde = { version = "1.0", features = ["derive"], optional = true }
 thiserror = "1.0"
 serde_bytes = { version = "0.11", optional = true }
 smallvec = "1.6" 
-rkyv = { version = "0.4.3", optional = true }
+rkyv = { version = "0.6", optional = true }
 loupe = "0.1"
 
 [features]
diff --git a/lib/engine-native/Cargo.toml b/lib/engine-native/Cargo.toml
index b2418df99..62fd656dd 100644
--- a/lib/engine-native/Cargo.toml
+++ b/lib/engine-native/Cargo.toml
@@ -23,7 +23,7 @@ leb128 = "0.2"
 libloading = "0.7"
 tempfile = "3.1"
 which = "4.0"
-rkyv = "0.4.3"
+rkyv = "0.6"
 loupe = "0.1"
 
 [features]
diff --git a/lib/types/Cargo.toml b/lib/types/Cargo.toml
index 3a86972ea..3c8b0b8b5 100644
--- a/lib/types/Cargo.toml
+++ b/lib/types/Cargo.toml
@@ -14,7 +14,7 @@ edition = "2018"
 serde = { version = "1.0", features = ["derive"], optional = true, default-features = false }
 thiserror = "1.0"
 indexmap = { version = "1.4", features = ["serde-1"] }
-rkyv = { version = "0.4.3", optional = true }
+rkyv = { version = "0.6", optional = true }
 loupe = "0.1"
 
 [features]
diff --git a/lib/types/src/archives.rs b/lib/types/src/archives.rs
index 0b9e04b7b..611b99dfa 100644
--- a/lib/types/src/archives.rs
+++ b/lib/types/src/archives.rs
@@ -2,7 +2,6 @@ use crate::entity::{EntityRef, PrimaryMap, SecondaryMap};
 use indexmap::IndexMap;
 
 use rkyv::{
-    offset_of,
     ser::Serializer,
     std_impl::{ArchivedVec, VecResolver},
     Archive, Archived, Deserialize, DeserializeUnsized, Fallible, MetadataResolver, Serialize,
@@ -12,7 +11,7 @@ use rkyv::{
 use core::{hash::Hash, marker::PhantomData};
 
 #[cfg(feature = "std")]
-use std::{collections::HashMap, hash::Hash, marker::PhantomData};
+use std::{collections::HashMap, hash::Hash, marker::PhantomData, mem::MaybeUninit};
 
 /// PrimaryMap after archive
 pub struct ArchivedPrimaryMap<K: EntityRef, V>(ArchivedVec<V>, PhantomData<K>);
@@ -24,8 +23,15 @@ where
     type Archived = ArchivedPrimaryMap<K::Archived, V::Archived>;
     type Resolver = VecResolver<MetadataResolver<[V]>>;
 
-    fn resolve(&self, pos: usize, resolver: Self::Resolver) -> Self::Archived {
-        ArchivedPrimaryMap(Vec::resolve(&self.elems, pos, resolver), PhantomData)
+    fn resolve(&self, pos: usize, resolver: Self::Resolver, out: &mut MaybeUninit<Self::Archived>) {
+        let mut vec = MaybeUninit::uninit();
+        Vec::resolve(&self.elems, pos, resolver, &mut vec);
+        // This is correct because the `resolve` method can never fail [citation needed]
+        let vec = unsafe { vec.assume_init() };
+        let archived_primary_map = ArchivedPrimaryMap(vec, PhantomData);
+        unsafe {
+            out.as_mut_ptr().write(archived_primary_map);
+        }
     }
 }
 
diff --git a/lib/vm/Cargo.toml b/lib/vm/Cargo.toml
index 8bd4ee232..f51babb25 100644
--- a/lib/vm/Cargo.toml
+++ b/lib/vm/Cargo.toml
@@ -21,7 +21,7 @@ more-asserts = "0.2"
 cfg-if = "0.1"
 backtrace = "0.3"
 serde = { version = "1.0", features = ["derive", "rc"] }
-rkyv = { version = "0.4.3", optional = true}
+rkyv = { version = "0.6", optional = true}
 loupe = { version = "0.1", features = ["enable-indexmap"] }
 
 [target.'cfg(target_os = "windows")'.dependencies]
diff --git a/lib/vm/src/module.rs b/lib/vm/src/module.rs
index a31b61f95..e2f1e3581 100644
--- a/lib/vm/src/module.rs
+++ b/lib/vm/src/module.rs
@@ -15,6 +15,8 @@ use serde::{Deserialize, Serialize};
 use std::collections::HashMap;
 use std::fmt;
 use std::iter::ExactSizeIterator;
+#[cfg(feature = "enable-rkyv")]
+use std::mem::MaybeUninit;
 use std::sync::atomic::{AtomicUsize, Ordering::SeqCst};
 use std::sync::Arc;
 use wasmer_types::entity::{EntityRef, PrimaryMap};
@@ -224,8 +226,8 @@ impl Archive for ModuleInfo {
     type Archived = <ArchivableModuleInfo as Archive>::Archived;
     type Resolver = <ArchivableModuleInfo as Archive>::Resolver;
 
-    fn resolve(&self, pos: usize, resolver: Self::Resolver) -> Self::Archived {
-        ArchivableModuleInfo::from(self).resolve(pos, resolver)
+    fn resolve(&self, pos: usize, resolver: Self::Resolver, out: &mut MaybeUninit<Self::Archived>) {
+        ArchivableModuleInfo::from(self).resolve(pos, resolver, out)
     }
 }
 
diff --git a/rust-toolchain b/rust-toolchain
index ec8bede26..08369aae5 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-1.50
+1.51