diff --git a/Cargo.lock b/Cargo.lock
index a5e514f698e..16eab80f0ea 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4601,7 +4601,7 @@ dependencies = [
 
 [[package]]
 name = "mithril-end-to-end"
-version = "0.5.10"
+version = "0.5.11"
 dependencies = [
  "anyhow",
  "async-recursion",
diff --git a/mithril-test-lab/mithril-end-to-end/Cargo.toml b/mithril-test-lab/mithril-end-to-end/Cargo.toml
index b0f18df0b04..a86be455a73 100644
--- a/mithril-test-lab/mithril-end-to-end/Cargo.toml
+++ b/mithril-test-lab/mithril-end-to-end/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mithril-end-to-end"
-version = "0.5.10"
+version = "0.5.11"
 authors = { workspace = true }
 edition = { workspace = true }
 documentation = { workspace = true }
diff --git a/mithril-test-lab/mithril-end-to-end/src/mithril/infrastructure.rs b/mithril-test-lab/mithril-end-to-end/src/mithril/infrastructure.rs
index 9ccabdc8b82..15e793b679b 100644
--- a/mithril-test-lab/mithril-end-to-end/src/mithril/infrastructure.rs
+++ b/mithril-test-lab/mithril-end-to-end/src/mithril/infrastructure.rs
@@ -284,7 +284,7 @@ impl MithrilInfrastructure {
             AggregateSignatureType::Concatenation => ProtocolParameters {
                 k: 70,
                 m: 105,
-                phi_f: 0.95,
+                phi_f: 0.77,
             },
             AggregateSignatureType::Snark | AggregateSignatureType::IvcSnark => {
                 ProtocolParameters {