diff --git a/README.md b/README.md
index ebd95ef..1aa6660 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,9 @@
 # external-signer-pkcs11
 
+
+Cross compile:
+```shell
+CGO_ENABLED=1 GOOS=linux GOARCH=amd64 CC="zig cc -target x86_64-linux" CXX="zig c++ -target x86_64-linux" go build  -o external-signer-pkcs11-linux-x86_64
+```
+
+