diff --git a/manifests/base/argo-server/argo-server-deployment.yaml b/manifests/base/argo-server/argo-server-deployment.yaml
index 2ef3bbee4a17..9e14cd7b4d9d 100644
--- a/manifests/base/argo-server/argo-server-deployment.yaml
+++ b/manifests/base/argo-server/argo-server-deployment.yaml
@@ -26,7 +26,7 @@ spec:
           readinessProbe:
             httpGet:
               port: 2746
-              scheme: HTTP
+              scheme: HTTPS
               path: /
             initialDelaySeconds: 10
             periodSeconds: 20
diff --git a/manifests/install.yaml b/manifests/install.yaml
index a4dbf7a6458b..1665d8b69533 100644
--- a/manifests/install.yaml
+++ b/manifests/install.yaml
@@ -559,7 +559,7 @@ spec:
           httpGet:
             path: /
             port: 2746
-            scheme: HTTP
+            scheme: HTTPS
           initialDelaySeconds: 10
           periodSeconds: 20
         securityContext:
diff --git a/manifests/namespace-install.yaml b/manifests/namespace-install.yaml
index 747bafab291a..dab06e1e6678 100644
--- a/manifests/namespace-install.yaml
+++ b/manifests/namespace-install.yaml
@@ -453,7 +453,7 @@ spec:
           httpGet:
             path: /
             port: 2746
-            scheme: HTTP
+            scheme: HTTPS
           initialDelaySeconds: 10
           periodSeconds: 20
         securityContext:
diff --git a/manifests/quick-start-minimal.yaml b/manifests/quick-start-minimal.yaml
index 0c281e0dd24a..35a5820e8ffe 100644
--- a/manifests/quick-start-minimal.yaml
+++ b/manifests/quick-start-minimal.yaml
@@ -761,7 +761,7 @@ spec:
           httpGet:
             path: /
             port: 2746
-            scheme: HTTP
+            scheme: HTTPS
           initialDelaySeconds: 10
           periodSeconds: 20
         securityContext:
diff --git a/manifests/quick-start-mysql.yaml b/manifests/quick-start-mysql.yaml
index e8d4b628217d..11eabc81485a 100644
--- a/manifests/quick-start-mysql.yaml
+++ b/manifests/quick-start-mysql.yaml
@@ -805,7 +805,7 @@ spec:
           httpGet:
             path: /
             port: 2746
-            scheme: HTTP
+            scheme: HTTPS
           initialDelaySeconds: 10
           periodSeconds: 20
         securityContext:
diff --git a/manifests/quick-start-postgres.yaml b/manifests/quick-start-postgres.yaml
index 0c3169baabb5..76b28f12a245 100644
--- a/manifests/quick-start-postgres.yaml
+++ b/manifests/quick-start-postgres.yaml
@@ -805,7 +805,7 @@ spec:
           httpGet:
             path: /
             port: 2746
-            scheme: HTTP
+            scheme: HTTPS
           initialDelaySeconds: 10
           periodSeconds: 20
         securityContext: