diff --git a/chart/values.yaml b/chart/values.yaml
index 19618a1435b2f100af068410786dc3032f59f6d6..d2e7f9044a5ee935fbfa363a111174d2a76a3d65 100644
--- a/chart/values.yaml
+++ b/chart/values.yaml
@@ -672,11 +672,11 @@ promtail:
   git:
     repo: https://repo1.dso.mil/big-bang/product/packages/promtail.git
     path: "./chart"
-    tag: "6.15.3-bb.4"
+    tag: "6.15.3-bb.5"
   helmRepo:
     repoName: "registry1"
     chartName: "promtail"
-    tag: "6.15.3-bb.4"
+    tag: "6.15.3-bb.5"
 
   # -- Flux reconciliation overrides specifically for the Promtail Package
   flux: {}
diff --git a/tests/test-values.yaml b/tests/test-values.yaml
index 08438bdb2d310a9f887fd057080fbb936a846278..b00259cbe67dede8ac283602ae6ef2a2e83cc6b9 100644
--- a/tests/test-values.yaml
+++ b/tests/test-values.yaml
@@ -841,6 +841,10 @@ tempo:
 
 promtail:
   enabled: true
+  values:
+    istio:
+      hardened:
+        enabled: true
 
 monitoring:
   enabled: true