diff --git a/CHANGELOG.md b/CHANGELOG.md
index 329ad657d..217f2722f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 # UNRELEASED
 
+# matrix-sdk-crypto-wasm v12.0.0
+
 -   Update matrix-rusk-sdk to `e99939db857ca`.
 -   The published package is now a proper dual CommonJS/ESM package.
 -   The WebAssembly module is now loaded using `fetch` on Web platforms, reducing
diff --git a/package.json b/package.json
index d3bbf70c7..35b70df84 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@matrix-org/matrix-sdk-crypto-wasm",
-    "version": "11.0.0",
+    "version": "12.0.0",
     "homepage": "https://github.com/matrix-org/matrix-rust-sdk-wasm",
     "description": "WebAssembly bindings of the matrix-sdk-crypto encryption library",
     "license": "Apache-2.0",
@@ -73,5 +73,6 @@
         "test": "jest --verbose && yarn run wasm-pack test --node",
         "doc": "typedoc --tsconfig .",
         "prepack": "npm run build && npm run test"
-    }
+    },
+    "packageManager": "yarn@1.22.22+sha512.a6b2f7906b721bba3d67d4aff083df04dad64c399707841b7acf00f6b133b7ac24255f2652fa22ae3534329dc6180534e98d17432037ff6fd140556e2bb3137e"
 }