diff --git a/binaryen/README.md b/binaryen/README.md
new file mode 100644
index 0000000..a19efc7
--- /dev/null
+++ b/binaryen/README.md
@@ -0,0 +1,3 @@
+Binaries for binaryen used by Kotlin Gradle Plugin for WASM/JS projects.
+
+Downloaded from https://github.com/WebAssembly/binaryen/releases
diff --git a/binaryen/version_120/binaryen-version_120-arm64-macos.tar.gz b/binaryen/version_120/binaryen-version_120-arm64-macos.tar.gz
new file mode 100644
index 0000000..1808bff
--- /dev/null
+++ b/binaryen/version_120/binaryen-version_120-arm64-macos.tar.gz
Binary files differ
diff --git a/binaryen/version_120/binaryen-version_120-x86_64-linux.tar.gz b/binaryen/version_120/binaryen-version_120-x86_64-linux.tar.gz
new file mode 100644
index 0000000..34fab4f
--- /dev/null
+++ b/binaryen/version_120/binaryen-version_120-x86_64-linux.tar.gz
Binary files differ
diff --git a/binaryen/version_120/binaryen-version_120-x86_64-macos.tar.gz b/binaryen/version_120/binaryen-version_120-x86_64-macos.tar.gz
new file mode 100644
index 0000000..3c9c0b9
--- /dev/null
+++ b/binaryen/version_120/binaryen-version_120-x86_64-macos.tar.gz
Binary files differ