diff --git a/crates/wasmtime/src/config.rs b/crates/wasmtime/src/config.rs
index 8360a1313429..c1f4a7677703 100644
--- a/crates/wasmtime/src/config.rs
+++ b/crates/wasmtime/src/config.rs
@@ -2023,6 +2023,7 @@ impl Config {
         features |= WasmFeatures::RELAXED_SIMD;
         features |= WasmFeatures::TAIL_CALL;
         features |= WasmFeatures::EXTENDED_CONST;
+        features |= WasmFeatures::MEMORY64;
         // NB: if you add a feature above this line please double-check
         // https://docs.wasmtime.dev/stability-wasm-proposals.html
         // to ensure all requirements are met and/or update the documentation
diff --git a/docs/stability-wasm-proposals.md b/docs/stability-wasm-proposals.md
index 37650b188575..15934021e27c 100644
--- a/docs/stability-wasm-proposals.md
+++ b/docs/stability-wasm-proposals.md
@@ -26,6 +26,7 @@ column is below.
 | [`threads`]              | ✅      | ✅    | ✅[^9]   | ❌[^3] | ✅  | ✅    |
 | [`tail-call`]            | ✅      | ✅    | ✅       | ✅     | ✅  | ✅    |
 | [`extended-const`]       | ✅      | ✅    | ✅       | ✅     | ✅  | ✅    |
+| [`memory64`]             | ✅      | ✅    | ✅       | ✅     | ✅  | ✅    |
 
 [^1]: The `component-model` proposal is not at phase 4 in the standardization
     process but it is still enabled-by-default in Wasmtime.
@@ -45,7 +46,6 @@ column is below.
 
 |  Proposal                | Phase 4 | Tests | Finished | Fuzzed | API | C API |
 |--------------------------|---------|-------|----------|--------|-----|-------|
-| [`memory64`]             | ❌      | ✅    | ✅       | ✅     | ✅  | ✅    |
 | [`function-references`]  | ✅      | ✅    | ❌       | ❌     | ✅  | ❌    |
 | [`gc`] [^6]              | ✅      | ✅    | ❌[^7]   | ❌     | ✅  | ❌    |
 | [`wide-arithmetic`]      | ❌      | ✅    | ✅       | ✅     | ✅  | ✅    |