diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 25da5b2924e..bcc509ab51f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -344,8 +344,39 @@ jobs:
         next_era: [""]
         cardano_node_version: ["10.4.1", "10.5.1"]
         hard_fork_latest_era_at_epoch: [0]
-        run_id: ["#1", "#2", "#3"]
-        extra_args: ["--aggregate-signature-type=Concatenation"]
+        run_id:
+          [
+            "#1",
+            "#2",
+            "#3",
+            "#4",
+            "#5",
+            "#6",
+            "#7",
+            "#8",
+            "#9",
+            "#10",
+            "#11",
+            "#12",
+            "#13",
+            "#14",
+            "#15",
+            "#16",
+            "#17",
+            "#18",
+            "#19",
+            "#20",
+            "#21",
+            "#22",
+            "#23",
+            "#24",
+            "#25",
+          ]
+        extra_args:
+          [
+            "--aggregate-signature-type=Concatenation",
+            "--number-of-aggregators=2 --use-relays --relay-signer-registration-mode=passthrough --relay-signature-registration-mode=p2p --aggregate-signature-type=Concatenation",
+          ]
 
         include:
           # Include a test for partial decentralization with leader/follower signer registration and P2P signature registration