diff --git a/charts/cf-runtime/Chart.yaml b/charts/cf-runtime/Chart.yaml
index 0899bd46..f5ed394d 100644
--- a/charts/cf-runtime/Chart.yaml
+++ b/charts/cf-runtime/Chart.yaml
@@ -1,7 +1,7 @@
 apiVersion: v2
 description: A Helm chart for Codefresh Runner
 name: cf-runtime
-version: 6.3.54
+version: 6.3.55
 keywords:
   - codefresh
   - runner
@@ -17,8 +17,8 @@ annotations:
   artifacthub.io/containsSecurityUpdates: "false"
   # Supported kinds: `added`, `changed`, `deprecated`, `removed`, `fixed`, `security`:
   artifacthub.io/changes: |
-    - kind: security
-      description: "cf-docker-pusher image upgraded to 6.0.16 with security fixes"
+    - kind: changed
+      description: "support for cosign in buildstep"
 dependencies:
   - name: cf-common
     repository: oci://quay.io/codefresh/charts
diff --git a/charts/cf-runtime/README.md b/charts/cf-runtime/README.md
index 98b20713..35630cda 100644
--- a/charts/cf-runtime/README.md
+++ b/charts/cf-runtime/README.md
@@ -1,6 +1,6 @@
 ## Codefresh Runner
 
-![Version: 6.3.54](https://img.shields.io/badge/Version-6.3.54-informational?style=flat-square)
+![Version: 6.3.55](https://img.shields.io/badge/Version-6.3.55-informational?style=flat-square)
 
 Helm chart for deploying [Codefresh Runner](https://codefresh.io/docs/docs/installation/codefresh-runner/) to Kubernetes.
 
@@ -1143,7 +1143,7 @@ Go to [https://<YOUR_ONPREM_DOMAIN_HERE>/admin/runtime-environments/system](http
 | runtime.dind.userVolumeMounts | object | `{}` | Add extra volume mounts |
 | runtime.dind.userVolumes | object | `{}` | Add extra volumes |
 | runtime.dindDaemon | object | See below | DinD pod daemon config |
-| runtime.engine | object | `{"affinity":{},"command":["npm","run","start"],"env":{"CONTAINER_LOGGER_EXEC_CHECK_INTERVAL_MS":1000,"DOCKER_REQUEST_TIMEOUT_MS":30000,"FORCE_COMPOSE_SERIAL_PULL":false,"LOGGER_LEVEL":"debug","LOG_OUTGOING_HTTP_REQUESTS":false,"METRICS_PROMETHEUS_COLLECT_PROCESS_METRICS":false,"METRICS_PROMETHEUS_ENABLED":true,"METRICS_PROMETHEUS_ENABLE_LEGACY_METRICS":false,"METRICS_PROMETHEUS_HOST":"0.0.0.0","METRICS_PROMETHEUS_PORT":9100},"image":{"pullPolicy":"IfNotPresent","registry":"quay.io","repository":"codefresh/engine","tag":"1.173.6"},"nodeSelector":{},"podAnnotations":{},"podLabels":{},"resources":{"limits":{"cpu":"1000m","memory":"2048Mi"},"requests":{"cpu":"100m","memory":"128Mi"}},"runtimeImages":{"COMPOSE_IMAGE":"quay.io/codefresh/compose:v2.28.1-1.5.0","CONTAINER_LOGGER_IMAGE":"quay.io/codefresh/cf-container-logger:1.11.6","CR_6177_FIXER":"quay.io/codefresh/alpine:edge","DOCKER_BUILDER_IMAGE":"quay.io/codefresh/cf-docker-builder:1.3.13","DOCKER_PULLER_IMAGE":"quay.io/codefresh/cf-docker-puller:8.0.17","DOCKER_PUSHER_IMAGE":"quay.io/codefresh/cf-docker-pusher:6.0.16","DOCKER_TAG_PUSHER_IMAGE":"quay.io/codefresh/cf-docker-tag-pusher:1.3.14","FS_OPS_IMAGE":"quay.io/codefresh/fs-ops:1.2.3","GC_BUILDER_IMAGE":"quay.io/codefresh/cf-gc-builder:0.5.3","GIT_CLONE_IMAGE":"quay.io/codefresh/cf-git-cloner:10.1.28","KUBE_DEPLOY":"quay.io/codefresh/cf-deploy-kubernetes:16.1.11","PIPELINE_DEBUGGER_IMAGE":"quay.io/codefresh/cf-debugger:1.3.0","TEMPLATE_ENGINE":"quay.io/codefresh/pikolo:0.14.1"},"schedulerName":"","serviceAccount":"codefresh-engine","tolerations":[],"userEnvVars":[],"workflowLimits":{"MAXIMUM_ALLOWED_TIME_BEFORE_PRE_STEPS_SUCCESS":600,"MAXIMUM_ALLOWED_WORKFLOW_AGE_BEFORE_TERMINATION":86400,"MAXIMUM_ELECTED_STATE_AGE_ALLOWED":900,"MAXIMUM_RETRY_ATTEMPTS_ALLOWED":20,"MAXIMUM_TERMINATING_STATE_AGE_ALLOWED":900,"MAXIMUM_TERMINATING_STATE_AGE_ALLOWED_WITHOUT_UPDATE":300,"TIME_ENGINE_INACTIVE_UNTIL_TERMINATION":300,"TIME_ENGINE_INACTIVE_UNTIL_UNHEALTHY":60,"TIME_INACTIVE_UNTIL_TERMINATION":2700}}` | Parameters for Engine pod (aka "pipeline" orchestrator). |
+| runtime.engine | object | `{"affinity":{},"command":["npm","run","start"],"env":{"CONTAINER_LOGGER_EXEC_CHECK_INTERVAL_MS":1000,"DOCKER_REQUEST_TIMEOUT_MS":30000,"FORCE_COMPOSE_SERIAL_PULL":false,"LOGGER_LEVEL":"debug","LOG_OUTGOING_HTTP_REQUESTS":false,"METRICS_PROMETHEUS_COLLECT_PROCESS_METRICS":false,"METRICS_PROMETHEUS_ENABLED":true,"METRICS_PROMETHEUS_ENABLE_LEGACY_METRICS":false,"METRICS_PROMETHEUS_HOST":"0.0.0.0","METRICS_PROMETHEUS_PORT":9100},"image":{"pullPolicy":"IfNotPresent","registry":"quay.io","repository":"codefresh/engine","tag":"1.174.1"},"nodeSelector":{},"podAnnotations":{},"podLabels":{},"resources":{"limits":{"cpu":"1000m","memory":"2048Mi"},"requests":{"cpu":"100m","memory":"128Mi"}},"runtimeImages":{"COMPOSE_IMAGE":"quay.io/codefresh/compose:v2.28.1-1.5.0","CONTAINER_LOGGER_IMAGE":"quay.io/codefresh/cf-container-logger:1.11.6","COSIGN_IMAGE_SIGNER_IMAGE":"quay.io/codefresh/cf-cosign-image-signer:2.4.0-cf.1","CR_6177_FIXER":"quay.io/codefresh/alpine:edge","DOCKER_BUILDER_IMAGE":"quay.io/codefresh/cf-docker-builder:1.3.13","DOCKER_PULLER_IMAGE":"quay.io/codefresh/cf-docker-puller:8.0.17","DOCKER_PUSHER_IMAGE":"quay.io/codefresh/cf-docker-pusher:6.0.16","DOCKER_TAG_PUSHER_IMAGE":"quay.io/codefresh/cf-docker-tag-pusher:1.3.14","FS_OPS_IMAGE":"quay.io/codefresh/fs-ops:1.2.3","GC_BUILDER_IMAGE":"quay.io/codefresh/cf-gc-builder:0.5.3","GIT_CLONE_IMAGE":"quay.io/codefresh/cf-git-cloner:10.1.28","KUBE_DEPLOY":"quay.io/codefresh/cf-deploy-kubernetes:16.1.11","PIPELINE_DEBUGGER_IMAGE":"quay.io/codefresh/cf-debugger:1.3.0","TEMPLATE_ENGINE":"quay.io/codefresh/pikolo:0.14.1"},"schedulerName":"","serviceAccount":"codefresh-engine","tolerations":[],"userEnvVars":[],"workflowLimits":{"MAXIMUM_ALLOWED_TIME_BEFORE_PRE_STEPS_SUCCESS":600,"MAXIMUM_ALLOWED_WORKFLOW_AGE_BEFORE_TERMINATION":86400,"MAXIMUM_ELECTED_STATE_AGE_ALLOWED":900,"MAXIMUM_RETRY_ATTEMPTS_ALLOWED":20,"MAXIMUM_TERMINATING_STATE_AGE_ALLOWED":900,"MAXIMUM_TERMINATING_STATE_AGE_ALLOWED_WITHOUT_UPDATE":300,"TIME_ENGINE_INACTIVE_UNTIL_TERMINATION":300,"TIME_ENGINE_INACTIVE_UNTIL_UNHEALTHY":60,"TIME_INACTIVE_UNTIL_TERMINATION":2700}}` | Parameters for Engine pod (aka "pipeline" orchestrator). |
 | runtime.engine.affinity | object | `{}` | Set affinity |
 | runtime.engine.command | list | `["npm","run","start"]` | Set container command. |
 | runtime.engine.env | object | `{"CONTAINER_LOGGER_EXEC_CHECK_INTERVAL_MS":1000,"DOCKER_REQUEST_TIMEOUT_MS":30000,"FORCE_COMPOSE_SERIAL_PULL":false,"LOGGER_LEVEL":"debug","LOG_OUTGOING_HTTP_REQUESTS":false,"METRICS_PROMETHEUS_COLLECT_PROCESS_METRICS":false,"METRICS_PROMETHEUS_ENABLED":true,"METRICS_PROMETHEUS_ENABLE_LEGACY_METRICS":false,"METRICS_PROMETHEUS_HOST":"0.0.0.0","METRICS_PROMETHEUS_PORT":9100}` | Set additional env vars. |
@@ -1157,7 +1157,7 @@ Go to [https://<YOUR_ONPREM_DOMAIN_HERE>/admin/runtime-environments/system](http
 | runtime.engine.env.METRICS_PROMETHEUS_ENABLE_LEGACY_METRICS | bool | `false` | Enable legacy metrics |
 | runtime.engine.env.METRICS_PROMETHEUS_HOST | string | `"0.0.0.0"` | Host for Prometheus metrics server |
 | runtime.engine.env.METRICS_PROMETHEUS_PORT | int | `9100` | Port for Prometheus metrics server |
-| runtime.engine.image | object | `{"pullPolicy":"IfNotPresent","registry":"quay.io","repository":"codefresh/engine","tag":"1.173.6"}` | Set image. |
+| runtime.engine.image | object | `{"pullPolicy":"IfNotPresent","registry":"quay.io","repository":"codefresh/engine","tag":"1.174.1"}` | Set image. |
 | runtime.engine.nodeSelector | object | `{}` | Set node selector. |
 | runtime.engine.podAnnotations | object | `{}` | Set pod annotations. |
 | runtime.engine.podLabels | object | `{}` | Set pod labels. |
diff --git a/charts/cf-runtime/templates/runtime/runtime-env-spec-tmpl.yaml b/charts/cf-runtime/templates/runtime/runtime-env-spec-tmpl.yaml
index 1e54e6a0..c0ae0ff8 100644
--- a/charts/cf-runtime/templates/runtime/runtime-env-spec-tmpl.yaml
+++ b/charts/cf-runtime/templates/runtime/runtime-env-spec-tmpl.yaml
@@ -40,6 +40,7 @@ runtimeScheduler:
     TEMPLATE_ENGINE: {{ include "runtime.runtimeImageName" (dict "registry" $imageRegistry "imageFullName" $engineContext.runtimeImages.TEMPLATE_ENGINE) | squote }}
     CR_6177_FIXER: {{ include "runtime.runtimeImageName" (dict "registry" $imageRegistry "imageFullName" $engineContext.runtimeImages.CR_6177_FIXER) | squote }}
     GC_BUILDER_IMAGE: {{ include "runtime.runtimeImageName" (dict "registry" $imageRegistry "imageFullName" $engineContext.runtimeImages.GC_BUILDER_IMAGE) | squote }}
+    COSIGN_IMAGE_SIGNER_IMAGE: {{ include "runtime.runtimeImageName" (dict "registry" $imageRegistry "imageFullName" $engineContext.runtimeImages.COSIGN_IMAGE_SIGNER_IMAGE) | squote }}
   {{- with $engineContext.userEnvVars }}
   userEnvVars:  {{- toYaml . | nindent 4 }}
   {{- end }}
diff --git a/charts/cf-runtime/tests/private-registry/private_registry_test.yaml b/charts/cf-runtime/tests/private-registry/private_registry_test.yaml
index fcedac3f..78238979 100644
--- a/charts/cf-runtime/tests/private-registry/private_registry_test.yaml
+++ b/charts/cf-runtime/tests/private-registry/private_registry_test.yaml
@@ -61,6 +61,7 @@ tests:
                 TEMPLATE_ENGINE: 'somedomain.io/codefresh/pikolo:tagoverride'
                 CR_6177_FIXER: 'somedomain.io/codefresh/alpine:edge'
                 GC_BUILDER_IMAGE: 'somedomain.io/codefresh/cf-gc-builder:0.5.3'
+                COSIGN_IMAGE_SIGNER_IMAGE: 'somedomain.io/codefresh/cf-cosign-image-signer:tagoverride'
               workflowLimits:
                 MAXIMUM_ALLOWED_TIME_BEFORE_PRE_STEPS_SUCCESS: 600
                 MAXIMUM_ALLOWED_WORKFLOW_AGE_BEFORE_TERMINATION: 86400
diff --git a/charts/cf-runtime/tests/runtime/runtime_onprem_test.yaml b/charts/cf-runtime/tests/runtime/runtime_onprem_test.yaml
index fdf69e87..9fcc9aa5 100644
--- a/charts/cf-runtime/tests/runtime/runtime_onprem_test.yaml
+++ b/charts/cf-runtime/tests/runtime/runtime_onprem_test.yaml
@@ -69,6 +69,7 @@ tests:
                 TEMPLATE_ENGINE: 'quay.io/codefresh/pikolo:tagoverride'
                 CR_6177_FIXER: 'quay.io/codefresh/alpine:edge'
                 GC_BUILDER_IMAGE: 'quay.io/codefresh/cf-gc-builder:0.5.3'
+                COSIGN_IMAGE_SIGNER_IMAGE: 'quay.io/codefresh/cf-cosign-image-signer:tagoverride'
               workflowLimits:
                 MAXIMUM_ALLOWED_TIME_BEFORE_PRE_STEPS_SUCCESS: 600
                 MAXIMUM_ALLOWED_WORKFLOW_AGE_BEFORE_TERMINATION: 86400
diff --git a/charts/cf-runtime/tests/runtime/runtime_onprem_values.yaml b/charts/cf-runtime/tests/runtime/runtime_onprem_values.yaml
index 399920f8..b0afff4d 100644
--- a/charts/cf-runtime/tests/runtime/runtime_onprem_values.yaml
+++ b/charts/cf-runtime/tests/runtime/runtime_onprem_values.yaml
@@ -86,6 +86,7 @@ runtime:
       KUBE_DEPLOY: quay.io/codefresh/cf-deploy-kubernetes:tagoverride
       PIPELINE_DEBUGGER_IMAGE: quay.io/codefresh/cf-debugger:tagoverride
       TEMPLATE_ENGINE: quay.io/codefresh/pikolo:tagoverride
+      COSIGN_IMAGE_SIGNER_IMAGE: quay.io/codefresh/cf-cosign-image-signer:tagoverride
     env:
       FOO: BAR
     podAnnotations:
@@ -106,4 +107,4 @@ runtime:
         key: codefresh.io
         operator: Equal
         value: engine
-    serviceAccount: service-account-override
\ No newline at end of file
+    serviceAccount: service-account-override
diff --git a/charts/cf-runtime/tests/runtime/runtime_test.yaml b/charts/cf-runtime/tests/runtime/runtime_test.yaml
index f3edbe4c..961237a7 100644
--- a/charts/cf-runtime/tests/runtime/runtime_test.yaml
+++ b/charts/cf-runtime/tests/runtime/runtime_test.yaml
@@ -70,6 +70,7 @@ tests:
                 TEMPLATE_ENGINE: 'quay.io/codefresh/pikolo:tagoverride'
                 CR_6177_FIXER: 'quay.io/codefresh/alpine:edge'
                 GC_BUILDER_IMAGE: 'quay.io/codefresh/cf-gc-builder:0.5.3'
+                COSIGN_IMAGE_SIGNER_IMAGE: 'quay.io/codefresh/cf-cosign-image-signer:tagoverride'
               userEnvVars:
                 - name: ALICE
                   valueFrom:
diff --git a/charts/cf-runtime/tests/runtime/runtime_values.yaml b/charts/cf-runtime/tests/runtime/runtime_values.yaml
index 1616e21a..2c6f8268 100644
--- a/charts/cf-runtime/tests/runtime/runtime_values.yaml
+++ b/charts/cf-runtime/tests/runtime/runtime_values.yaml
@@ -76,6 +76,7 @@ runtime:
       KUBE_DEPLOY: quay.io/codefresh/cf-deploy-kubernetes:tagoverride
       PIPELINE_DEBUGGER_IMAGE: quay.io/codefresh/cf-debugger:tagoverride
       TEMPLATE_ENGINE: quay.io/codefresh/pikolo:tagoverride
+      COSIGN_IMAGE_SIGNER_IMAGE: quay.io/codefresh/cf-cosign-image-signer:tagoverride
     env:
       FOO: BAR
     userEnvVars:
diff --git a/charts/cf-runtime/tests/values-private-registry.yaml b/charts/cf-runtime/tests/values-private-registry.yaml
index 66658fbf..b9613e3d 100644
--- a/charts/cf-runtime/tests/values-private-registry.yaml
+++ b/charts/cf-runtime/tests/values-private-registry.yaml
@@ -18,7 +18,8 @@ runtime:
       KUBE_DEPLOY: quay.io/codefresh/cf-deploy-kubernetes:tagoverride
       PIPELINE_DEBUGGER_IMAGE: quay.io/codefresh/cf-debugger:tagoverride
       TEMPLATE_ENGINE: quay.io/codefresh/pikolo:tagoverride
+      COSIGN_IMAGE_SIGNER_IMAGE: quay.io/codefresh/cf-cosign-image-signer:tagoverride
 
   dind:
     image:
-      tag: tagoverride
\ No newline at end of file
+      tag: tagoverride
diff --git a/charts/cf-runtime/values.yaml b/charts/cf-runtime/values.yaml
index d4afbb48..4f799d96 100644
--- a/charts/cf-runtime/values.yaml
+++ b/charts/cf-runtime/values.yaml
@@ -506,7 +506,7 @@ runtime:
     image:
       registry: quay.io
       repository: codefresh/engine
-      tag: 1.173.6
+      tag: 1.174.1
       pullPolicy: IfNotPresent
     # -- Set container command.
     command:
@@ -537,6 +537,7 @@ runtime:
       TEMPLATE_ENGINE: quay.io/codefresh/pikolo:0.14.1
       CR_6177_FIXER: 'quay.io/codefresh/alpine:edge'
       GC_BUILDER_IMAGE: 'quay.io/codefresh/cf-gc-builder:0.5.3'
+      COSIGN_IMAGE_SIGNER_IMAGE: 'quay.io/codefresh/cf-cosign-image-signer:2.4.0-cf.1'
     # -- Set additional env vars.
     env:
       # -- Interval to check the exec status in the container-logger