diff --git a/pkg/pipelines/tekton/templates_pack.go b/pkg/pipelines/tekton/templates_pack.go
index 5d6b7859e5..1ea6ecb7b7 100644
--- a/pkg/pipelines/tekton/templates_pack.go
+++ b/pkg/pipelines/tekton/templates_pack.go
@@ -125,11 +125,12 @@ spec:
       value: "{{.Commit}}"
   pipelineRef:
    name: {{.PipelineName}}
-  podTemplate:
-    securityContext:
-      runAsUser: 1001
-      runAsGroup: 0
-      fsGroup: 1002
+  taskRunTemplate:
+    podTemplate:
+      securityContext:
+        runAsUser: 1001
+        runAsGroup: 0
+        fsGroup: 1002
   workspaces:
     - name: source-workspace
       persistentVolumeClaim:
@@ -190,11 +191,12 @@ spec:
         {{end}}
   pipelineRef:
    name: {{.PipelineName}}
-  podTemplate:
-    securityContext:
-      runAsUser: 1001
-      runAsGroup: 0
-      fsGroup: 1002
+  taskRunTemplate:
+    podTemplate:
+      securityContext:
+        runAsUser: 1001
+        runAsGroup: 0
+        fsGroup: 1002
   workspaces:
     - name: source-workspace
       persistentVolumeClaim:
diff --git a/pkg/pipelines/tekton/templates_s2i.go b/pkg/pipelines/tekton/templates_s2i.go
index 4063add270..b38408e383 100644
--- a/pkg/pipelines/tekton/templates_s2i.go
+++ b/pkg/pipelines/tekton/templates_s2i.go
@@ -136,11 +136,12 @@ spec:
       value: "{{.Commit}}"
   pipelineRef:
    name: {{.PipelineName}}
-  podTemplate:
-    securityContext:
-      runAsUser: 1001
-      runAsGroup: 0
-      fsGroup: 1002
+  taskRunTemplate:
+    podTemplate:
+      securityContext:
+        runAsUser: 1001
+        runAsGroup: 0
+        fsGroup: 1002
   workspaces:
     - name: source-workspace
       persistentVolumeClaim:
@@ -208,11 +209,12 @@ spec:
       value: {{.TlsVerify}}
   pipelineRef:
    name: {{.PipelineName}}
-  podTemplate:
-    securityContext:
-      runAsUser: 1001
-      runAsGroup: 0
-      fsGroup: 1002
+  taskRunTemplate:
+    podTemplate:
+      securityContext:
+        runAsUser: 1001
+        runAsGroup: 0
+        fsGroup: 1002
   workspaces:
     - name: source-workspace
       persistentVolumeClaim:
diff --git a/pkg/pipelines/tekton/templates_test.go b/pkg/pipelines/tekton/templates_test.go
index 6624540d45..481bdb3c5d 100644
--- a/pkg/pipelines/tekton/templates_test.go
+++ b/pkg/pipelines/tekton/templates_test.go
@@ -376,9 +376,14 @@ func Test_PipelineRunHasPodTemplateSecurityContext(t *testing.T) {
 
 			contentStr := string(content)
 
-			// Verify podTemplate is present
+			// Verify taskRunTemplate is present (Tekton v1 API requirement)
+			if !strings.Contains(contentStr, "taskRunTemplate:") {
+				t.Error("taskRunTemplate not found in generated PipelineRun")
+			}
+
+			// Verify podTemplate is nested under taskRunTemplate
 			if !strings.Contains(contentStr, "podTemplate:") {
-				t.Error("podTemplate not found in generated PipelineRun")
+				t.Error("podTemplate not found in taskRunTemplate")
 			}
 
 			// Verify securityContext is present