diff --git a/tasks/push-snapshot/README.md b/tasks/push-snapshot/README.md
index e4ccaddcc..b57c41bb0 100644
--- a/tasks/push-snapshot/README.md
+++ b/tasks/push-snapshot/README.md
@@ -13,6 +13,11 @@ Tekton task to push snapshot images to an image registry using `cosign copy`.
 | caTrustConfigMapName | The name of the ConfigMap to read CA bundle data from                     | Yes      | trusted-ca    |
 | caTrustConfigMapKey  | The name of the key in the ConfigMap that contains the CA bundle data     | Yes      | ca-bundle.crt |
 
+## Changes in 6.4.1
+* Bump release-service-utils image
+  * The updated image will fail if skopeo inspect fails
+* Fix authentication for skopeo inspect when running get-image-architectures
+
 ## Changes in 6.4.0
 * Bump release-service-utils to upgrade the get-image-architecture script which can properly handle a Tekton bundle
 
diff --git a/tasks/push-snapshot/push-snapshot.yaml b/tasks/push-snapshot/push-snapshot.yaml
index 8e41ea6a3..ee8f64f8c 100644
--- a/tasks/push-snapshot/push-snapshot.yaml
+++ b/tasks/push-snapshot/push-snapshot.yaml
@@ -4,7 +4,7 @@ kind: Task
 metadata:
   name: push-snapshot
   labels:
-    app.kubernetes.io/version: "6.4.0"
+    app.kubernetes.io/version: "6.4.1"
   annotations:
     tekton.dev/pipelines.minVersion: "0.12.1"
     tekton.dev/tags: release
@@ -38,7 +38,7 @@ spec:
       description: The workspace where the snapshot spec and data json files reside
   steps:
     - name: push-snapshot
-      image: quay.io/konflux-ci/release-service-utils:5e9ee4c1d6cb3484d227c31557be3f476a4f3d7f
+      image: quay.io/konflux-ci/release-service-utils:76021ef1e9f0f14397260ee24c9a43e37d3f83ac
       script: |
         #!/usr/bin/env bash
         set -eux
@@ -73,6 +73,9 @@ spec:
               echo "Max retries exceeded."
               exit 1
             fi
+            # Only the cosign call above needs this custom Docker config. Unset it, so that skopeo call
+            # in get-image-architecture uses the default config in ~/.docker/config.json (this one would break it)
+            unset DOCKER_CONFIG
           else
             printf '* Component push skipped (source digest exists at destination): %s (%s)\n' \
               "$2" "$3"
diff --git a/tasks/push-snapshot/tests/test-push-snapshot-digests-match.yaml b/tasks/push-snapshot/tests/test-push-snapshot-digests-match.yaml
index 07dd61639..d80926071 100644
--- a/tasks/push-snapshot/tests/test-push-snapshot-digests-match.yaml
+++ b/tasks/push-snapshot/tests/test-push-snapshot-digests-match.yaml
@@ -19,7 +19,7 @@ spec:
           - name: data
         steps:
           - name: setup-values
-            image: quay.io/konflux-ci/release-service-utils:5e9ee4c1d6cb3484d227c31557be3f476a4f3d7f
+            image: quay.io/konflux-ci/release-service-utils:76021ef1e9f0f14397260ee24c9a43e37d3f83ac
             script: |
               #!/usr/bin/env sh
               set -eux
@@ -66,7 +66,7 @@ spec:
           - name: data
         steps:
           - name: check-result
-            image: quay.io/konflux-ci/release-service-utils:5e9ee4c1d6cb3484d227c31557be3f476a4f3d7f
+            image: quay.io/konflux-ci/release-service-utils:76021ef1e9f0f14397260ee24c9a43e37d3f83ac
             script: |
               #!/usr/bin/env sh
               set -eux
diff --git a/tasks/push-snapshot/tests/test-push-snapshot-fail-no-data-file.yaml b/tasks/push-snapshot/tests/test-push-snapshot-fail-no-data-file.yaml
index 6070958c8..1e3dee9b9 100644
--- a/tasks/push-snapshot/tests/test-push-snapshot-fail-no-data-file.yaml
+++ b/tasks/push-snapshot/tests/test-push-snapshot-fail-no-data-file.yaml
@@ -21,7 +21,7 @@ spec:
           - name: data
         steps:
           - name: setup-values
-            image: quay.io/konflux-ci/release-service-utils:5e9ee4c1d6cb3484d227c31557be3f476a4f3d7f
+            image: quay.io/konflux-ci/release-service-utils:76021ef1e9f0f14397260ee24c9a43e37d3f83ac
             script: |
               #!/usr/bin/env sh
               set -eux
diff --git a/tasks/push-snapshot/tests/test-push-snapshot-fail-tagless-component.yaml b/tasks/push-snapshot/tests/test-push-snapshot-fail-tagless-component.yaml
index fb6509750..7fbb06df6 100644
--- a/tasks/push-snapshot/tests/test-push-snapshot-fail-tagless-component.yaml
+++ b/tasks/push-snapshot/tests/test-push-snapshot-fail-tagless-component.yaml
@@ -21,7 +21,7 @@ spec:
           - name: data
         steps:
           - name: setup-values
-            image: quay.io/konflux-ci/release-service-utils:5e9ee4c1d6cb3484d227c31557be3f476a4f3d7f
+            image: quay.io/konflux-ci/release-service-utils:76021ef1e9f0f14397260ee24c9a43e37d3f83ac
             script: |
               #!/usr/bin/env sh
               set -eux
diff --git a/tasks/push-snapshot/tests/test-push-snapshot-mount-certs.yaml b/tasks/push-snapshot/tests/test-push-snapshot-mount-certs.yaml
index 489562b54..efff61082 100644
--- a/tasks/push-snapshot/tests/test-push-snapshot-mount-certs.yaml
+++ b/tasks/push-snapshot/tests/test-push-snapshot-mount-certs.yaml
@@ -18,7 +18,7 @@ spec:
           - name: data
         steps:
           - name: setup-values
-            image: quay.io/konflux-ci/release-service-utils:5e9ee4c1d6cb3484d227c31557be3f476a4f3d7f
+            image: quay.io/konflux-ci/release-service-utils:76021ef1e9f0f14397260ee24c9a43e37d3f83ac
             script: |
               #!/usr/bin/env sh
               set -eux
@@ -89,7 +89,7 @@ spec:
           - name: data
         steps:
           - name: check-result
-            image: quay.io/konflux-ci/release-service-utils:5e9ee4c1d6cb3484d227c31557be3f476a4f3d7f
+            image: quay.io/konflux-ci/release-service-utils:76021ef1e9f0f14397260ee24c9a43e37d3f83ac
             script: |
               #!/usr/bin/env sh
               set -eux
diff --git a/tasks/push-snapshot/tests/test-push-snapshot-pushsourcecontainer-component.yaml b/tasks/push-snapshot/tests/test-push-snapshot-pushsourcecontainer-component.yaml
index ca95ecc94..4264587fd 100644
--- a/tasks/push-snapshot/tests/test-push-snapshot-pushsourcecontainer-component.yaml
+++ b/tasks/push-snapshot/tests/test-push-snapshot-pushsourcecontainer-component.yaml
@@ -18,7 +18,7 @@ spec:
           - name: data
         steps:
           - name: setup-values
-            image: quay.io/konflux-ci/release-service-utils:5e9ee4c1d6cb3484d227c31557be3f476a4f3d7f
+            image: quay.io/konflux-ci/release-service-utils:76021ef1e9f0f14397260ee24c9a43e37d3f83ac
             script: |
               #!/usr/bin/env sh
               set -eux
@@ -79,7 +79,7 @@ spec:
           - name: data
         steps:
           - name: check-result
-            image: quay.io/konflux-ci/release-service-utils:5e9ee4c1d6cb3484d227c31557be3f476a4f3d7f
+            image: quay.io/konflux-ci/release-service-utils:76021ef1e9f0f14397260ee24c9a43e37d3f83ac
             script: |
               #!/usr/bin/env sh
               set -eux
diff --git a/tasks/push-snapshot/tests/test-push-snapshot-pushsourcecontainer-defaults.yaml b/tasks/push-snapshot/tests/test-push-snapshot-pushsourcecontainer-defaults.yaml
index 8fba66854..7fd0e343b 100644
--- a/tasks/push-snapshot/tests/test-push-snapshot-pushsourcecontainer-defaults.yaml
+++ b/tasks/push-snapshot/tests/test-push-snapshot-pushsourcecontainer-defaults.yaml
@@ -18,7 +18,7 @@ spec:
           - name: data
         steps:
           - name: setup-values
-            image: quay.io/konflux-ci/release-service-utils:5e9ee4c1d6cb3484d227c31557be3f476a4f3d7f
+            image: quay.io/konflux-ci/release-service-utils:76021ef1e9f0f14397260ee24c9a43e37d3f83ac
             script: |
               #!/usr/bin/env sh
               set -eux
@@ -81,7 +81,7 @@ spec:
           - name: data
         steps:
           - name: check-result
-            image: quay.io/konflux-ci/release-service-utils:5e9ee4c1d6cb3484d227c31557be3f476a4f3d7f
+            image: quay.io/konflux-ci/release-service-utils:76021ef1e9f0f14397260ee24c9a43e37d3f83ac
             script: |
               #!/usr/bin/env sh
               set -eux
diff --git a/tasks/push-snapshot/tests/test-push-snapshot-pushsourcecontainer-skip-existing.yaml b/tasks/push-snapshot/tests/test-push-snapshot-pushsourcecontainer-skip-existing.yaml
index 106977bd4..9237f1d88 100644
--- a/tasks/push-snapshot/tests/test-push-snapshot-pushsourcecontainer-skip-existing.yaml
+++ b/tasks/push-snapshot/tests/test-push-snapshot-pushsourcecontainer-skip-existing.yaml
@@ -19,7 +19,7 @@ spec:
           - name: data
         steps:
           - name: setup-values
-            image: quay.io/konflux-ci/release-service-utils:5e9ee4c1d6cb3484d227c31557be3f476a4f3d7f
+            image: quay.io/konflux-ci/release-service-utils:76021ef1e9f0f14397260ee24c9a43e37d3f83ac
             script: |
               #!/usr/bin/env sh
               set -eux
@@ -76,7 +76,7 @@ spec:
           - name: data
         steps:
           - name: check-result
-            image: quay.io/konflux-ci/release-service-utils:5e9ee4c1d6cb3484d227c31557be3f476a4f3d7f
+            image: quay.io/konflux-ci/release-service-utils:76021ef1e9f0f14397260ee24c9a43e37d3f83ac
             script: |
               #!/usr/bin/env sh
               set -eux
diff --git a/tasks/push-snapshot/tests/test-push-snapshot-retries.yaml b/tasks/push-snapshot/tests/test-push-snapshot-retries.yaml
index 6693df36b..23af568f7 100644
--- a/tasks/push-snapshot/tests/test-push-snapshot-retries.yaml
+++ b/tasks/push-snapshot/tests/test-push-snapshot-retries.yaml
@@ -18,7 +18,7 @@ spec:
           - name: data
         steps:
           - name: setup-values
-            image: quay.io/konflux-ci/release-service-utils:5e9ee4c1d6cb3484d227c31557be3f476a4f3d7f
+            image: quay.io/konflux-ci/release-service-utils:76021ef1e9f0f14397260ee24c9a43e37d3f83ac
             script: |
               #!/usr/bin/env sh
               set -eux
@@ -67,7 +67,7 @@ spec:
           - name: data
         steps:
           - name: check-result
-            image: quay.io/konflux-ci/release-service-utils:5e9ee4c1d6cb3484d227c31557be3f476a4f3d7f
+            image: quay.io/konflux-ci/release-service-utils:76021ef1e9f0f14397260ee24c9a43e37d3f83ac
             script: |
               #!/usr/bin/env sh
               set -eux
diff --git a/tasks/push-snapshot/tests/test-push-snapshot.yaml b/tasks/push-snapshot/tests/test-push-snapshot.yaml
index 3e5225b68..73a881bf2 100644
--- a/tasks/push-snapshot/tests/test-push-snapshot.yaml
+++ b/tasks/push-snapshot/tests/test-push-snapshot.yaml
@@ -18,7 +18,7 @@ spec:
           - name: data
         steps:
           - name: setup-values
-            image: quay.io/konflux-ci/release-service-utils:5e9ee4c1d6cb3484d227c31557be3f476a4f3d7f
+            image: quay.io/konflux-ci/release-service-utils:76021ef1e9f0f14397260ee24c9a43e37d3f83ac
             script: |
               #!/usr/bin/env sh
               set -eux
@@ -85,7 +85,7 @@ spec:
           - name: data
         steps:
           - name: check-result
-            image: quay.io/konflux-ci/release-service-utils:5e9ee4c1d6cb3484d227c31557be3f476a4f3d7f
+            image: quay.io/konflux-ci/release-service-utils:76021ef1e9f0f14397260ee24c9a43e37d3f83ac
             script: |
               #!/usr/bin/env sh
               set -eux