diff --git a/README.md b/README.md
index 551117a3b4eb123829e43fb3cefc15d04d8fc19c..9d2b880004b551f8e32eb0254e47377744584e69 100644
--- a/README.md
+++ b/README.md
@@ -12,11 +12,17 @@ Integration tests for caosdb-cpplib and the caosdb-server
 
 # Run tests
 
+## Prerequisite
+Create a local conan package from the caosdb-cpplib repository
+
+## Build & Execution
 1. `mkdir build && cd build/`
 2. `conan install .. -s "compiler.libcxx=libstdc++11"`
 3. `cmake -B . ..`
 4. `cmake --build .`
 5. Setup env vars
+	- CAOSDB_SERVER_GRPC_PORT_HTTP
+	- CAOSDB_SERVER_HOST
+	- CAOSDB_SERVER_GRPC_PORT_HTTPS
+	- CAOSDB_SERVER_CERT
 6. Run with `ctest` in the build directory.
-
-