diff --git a/README.md b/README.md
index 156468964f0980283996062c2a57fb77445a6a80..48346fa95f10133487d3bc566ac19b82f7f7829c 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,8 @@ This library implements advanced derivative techniques to allow for implementati
 So far the following EOS are implemented:
 
 * van der Waals
+* Peng-Robinson
+* Soave-Redlich-Kwong
 * PC-SAFT
 * cubic plus association (CPA) for pure fluids
 * multi-fluid model in the form of GERG