diff --git a/pyproject.toml b/pyproject.toml
index b1307f08e5..df12a2e6ad 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -94,9 +94,16 @@ inference = [
   "huggingface-hub>=0.5.0",
 ]
 elasticsearch = [
+  "farm-haystack[elasticsearch7]",
+]
+elasticsearch7 = [
   "elasticsearch>=7.17,<8",
   "elastic_transport<8"
 ]
+elasticsearch8 = [
+  "elasticsearch>=8,<9",
+  "elastic_transport>=8,<9"
+]
 sql = [
   "sqlalchemy>=1.4.2,<2",
   "sqlalchemy_utils",