diff --git a/Cargo.toml b/Cargo.toml
index e231268fc..5fb8b01c9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,7 +28,7 @@ tracing-subscriber = { version = "0.3.19", features = [
     "time",
 ] }
 faer = "0.24.0"
-pharmsol = { version = "=0.28.7" }
+pharmsol = { version = "=0.28.8" }
 anyhow = "1.0.100"
 rayon = "1.10.0"
 rand = "0.10.1"
diff --git a/tests/onecomp.rs b/tests/onecomp.rs
index c63509b52..4520ab4b9 100644
--- a/tests/onecomp.rs
+++ b/tests/onecomp.rs
@@ -131,7 +131,7 @@ fn test_one_compartment_npod() -> Result<()> {
         .fit_with(NonParametricAlgorithm::npod())?;
 
     // Check the results
-    assert_eq!(result.cycles(), 11);
+    assert_eq!(result.cycles(), 12);
     assert!(result.objf() - 565.7749 < 0.01);
 
     Ok(())