diff --git a/README.md b/README.md
index 816e36e..fb77138 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,9 @@
 # lib-secret-manager
 
-Simple helper library to import and consume secrets
\ No newline at end of file
+Simple helper library to import and consume secrets
+
+### For pods without encryption_key
+lib-secret-manager @ git+https://git.gansejunge.com/notifier/lib-secret-manager.git@main
+
+### For pods with encryption_key
+lib-secret-manager[encryption] @ git+https://git.gansejunge.com/notifier/lib-secret-manager.git@main
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index 0a2d574..aaf2a16 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,6 +7,9 @@ requires-python = ">=3.10"
 authors = [{ name = "Florian Gänsejunge" }]
 dependencies = ["simple-logger-handler @ git+https://git.gansejunge.com/notifier/lib-logger-handler.git@main"]
 
+[project.optional-dependencies]
+encryption = ["cryptography==46.0.2"]
+
 [build-system]
 requires = ["setuptools>=61"]
 build-backend = "setuptools.build_meta"