diff --git a/harmony/src/modules/helm/chart.rs b/harmony/src/modules/helm/chart.rs
index 03371e44..273960d1 100644
--- a/harmony/src/modules/helm/chart.rs
+++ b/harmony/src/modules/helm/chart.rs
@@ -223,18 +223,18 @@ impl<T: Topology + HelmCommand> Interpret<T> for HelmChartInterpret {
                     self.score.release_name
                 )));
             }
-            // Pinned-version safety net: if the score pins a *different*
-            // version than what's installed, refuse to silently
-            // upgrade/downgrade — that's a manual decision.
+            // install_only=false is explicit upgrade mode; a pinned
+            // version change is an intentional roll-forward (ADR-012-2).
+            // Apply it — helm fails loudly if convergence fails; no
+            // auto-rollback.
             if let Some(expected) = self.expected_chart_field()
                 && Self::normalize_chart_field(&expected)
                     != Self::normalize_chart_field(&installed_chart)
             {
-                return Err(InterpretError::new(format!(
-                    "Helm release '{}' already installed as '{}', but score requests '{}'. \
-                     Refusing to upgrade/downgrade; resolve manually.",
+                warn!(
+                    "Helm release '{}' installed as '{}'; rolling forward to '{}'.",
                     self.score.release_name, installed_chart, expected
-                )));
+                );
             }
             // Otherwise (no pin, or pinned and matching) fall through to
             // `helm upgrade --install`. Helm is the source of truth on