diff --git a/Dockerfile b/Dockerfile
index b3dee555c..543129532 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -36,8 +36,8 @@ FROM ${RUNTIME_IMAGE}
 LABEL com.redhat.component="Multiarch Tuning Operator"
 LABEL distribution-scope="public"
 LABEL name="multiarch-tuning/multiarch-tuning-operator-bundle"
-LABEL release="1.2.0"
-LABEL version="1.2.0"
+LABEL release="1.2.1"
+LABEL version="1.2.1"
 LABEL cpe="cpe:/a:redhat:multiarch_tuning_operator:1.1::el9"
 LABEL url="https://github.com/openshift/multiarch-tuning-operator"
 LABEL vendor="Red Hat, Inc."
diff --git a/Makefile b/Makefile
index 1674c2455..bc6959237 100644
--- a/Makefile
+++ b/Makefile
@@ -9,7 +9,7 @@ ARTIFACT_DIR ?= ./_output
 # To re-generate a bundle for another specific version without changing the standard setup, you can:
 # - use the VERSION as arg of the bundle target (e.g make bundle VERSION=0.0.2)
 # - use environment variables to overwrite this value (e.g export VERSION=0.0.2)
-VERSION ?= 1.2.0
+VERSION ?= 1.2.1
 
 # CHANNELS define the bundle channels used in the bundle.
 # Add a new line here if you would like to change its default config. (E.g CHANNELS = "candidate,fast,stable")
diff --git a/bundle.Dockerfile b/bundle.Dockerfile
index 05b3842e7..fa605d325 100644
--- a/bundle.Dockerfile
+++ b/bundle.Dockerfile
@@ -24,8 +24,8 @@ COPY bundle/tests/scorecard /tests/scorecard/
 LABEL com.redhat.component="Multiarch Tuning Operator"
 LABEL distribution-scope="public"
 LABEL name="multiarch-tuning/multiarch-tuning-operator-bundle"
-LABEL release="1.2.0"
-LABEL version="1.2.0"
+LABEL release="1.2.1"
+LABEL version="1.2.1"
 LABEL cpe="cpe:/a:redhat:multiarch_tuning_operator:1.1::el9"
 LABEL url="https://github.com/openshift/multiarch-tuning-operator"
 LABEL vendor="Red Hat, Inc."
diff --git a/bundle.konflux.Dockerfile b/bundle.konflux.Dockerfile
index 7eccf432a..c19cf0697 100644
--- a/bundle.konflux.Dockerfile
+++ b/bundle.konflux.Dockerfile
@@ -36,8 +36,8 @@ COPY --from=builder /code/bundle/tests/scorecard /tests/scorecard/
 LABEL com.redhat.component="Multiarch Tuning Operator"
 LABEL distribution-scope="public"
 LABEL name="multiarch-tuning/multiarch-tuning-operator-bundle"
-LABEL release="1.2.0"
-LABEL version="1.2.0"
+LABEL release="1.2.1"
+LABEL version="1.2.1"
 LABEL cpe="cpe:/a:redhat:multiarch_tuning_operator:1.1::el9"
 LABEL url="https://github.com/openshift/multiarch-tuning-operator"
 LABEL vendor="Red Hat, Inc."
diff --git a/bundle/manifests/multiarch-tuning-operator.clusterserviceversion.yaml b/bundle/manifests/multiarch-tuning-operator.clusterserviceversion.yaml
index a0d15178b..95bde7db1 100644
--- a/bundle/manifests/multiarch-tuning-operator.clusterserviceversion.yaml
+++ b/bundle/manifests/multiarch-tuning-operator.clusterserviceversion.yaml
@@ -27,7 +27,7 @@ metadata:
     categories: OpenShift Optional, Other
     console.openshift.io/disable-operand-delete: "false"
     containerImage: registry.ci.openshift.org/origin/multiarch-tuning-operator:v1.x
-    createdAt: "2025-09-15T17:52:09Z"
+    createdAt: "2025-11-12T04:49:47Z"
     features.operators.openshift.io/cnf: "false"
     features.operators.openshift.io/cni: "false"
     features.operators.openshift.io/csi: "false"
@@ -54,7 +54,7 @@ metadata:
     operatorframework.io/arch.arm64: supported
     operatorframework.io/arch.ppc64le: supported
     operatorframework.io/arch.s390x: supported
-  name: multiarch-tuning-operator.v1.2.0
+  name: multiarch-tuning-operator.v1.2.1
   namespace: openshift-multiarch-tuning-operator
 spec:
   apiservicedefinitions: {}
@@ -480,7 +480,7 @@ spec:
   provider:
     name: Red Hat
     url: https://github.com/openshift/multiarch-tuning-operator
-  version: 1.2.0
+  version: 1.2.1
   webhookdefinitions:
   - admissionReviewVersions:
     - v1
diff --git a/config/manifests/bases/multiarch-tuning-operator.clusterserviceversion.yaml b/config/manifests/bases/multiarch-tuning-operator.clusterserviceversion.yaml
index ce96d3c8f..728dfdbd4 100644
--- a/config/manifests/bases/multiarch-tuning-operator.clusterserviceversion.yaml
+++ b/config/manifests/bases/multiarch-tuning-operator.clusterserviceversion.yaml
@@ -31,7 +31,7 @@ metadata:
     operatorframework.io/arch.arm64: supported
     operatorframework.io/arch.ppc64le: supported
     operatorframework.io/arch.s390x: supported
-  name: multiarch-tuning-operator.v1.2.0
+  name: multiarch-tuning-operator.v1.2.1
   namespace: openshift-multiarch-tuning-operator
 spec:
   apiservicedefinitions: {}
@@ -102,4 +102,4 @@ spec:
   provider:
     name: Red Hat
     url: https://github.com/openshift/multiarch-tuning-operator
-  version: 1.2.0
+  version: 1.2.1
diff --git a/deploy/base/operators.coreos.com/subscriptions/openshift-multiarch-tuning-operator/subscription.yaml b/deploy/base/operators.coreos.com/subscriptions/openshift-multiarch-tuning-operator/subscription.yaml
index b4e382d78..ebff01739 100644
--- a/deploy/base/operators.coreos.com/subscriptions/openshift-multiarch-tuning-operator/subscription.yaml
+++ b/deploy/base/operators.coreos.com/subscriptions/openshift-multiarch-tuning-operator/subscription.yaml
@@ -9,4 +9,4 @@ spec:
   source: multiarch-tuning-operator-catalog
   sourceNamespace: openshift-marketplace
   installPlanApproval: Automatic
-  startingCSV: multiarch-tuning-operator.v1.2.0
+  startingCSV: multiarch-tuning-operator.v1.2.1
diff --git a/hack/bump-version.sh b/hack/bump-version.sh
index b12bf51a1..14f0a5c61 100755
--- a/hack/bump-version.sh
+++ b/hack/bump-version.sh
@@ -1,11 +1,39 @@
 #!/bin/bash
 
-yq -i ".spec.version=\"${VERSION:-1.0.0}\"" config/manifests/bases/multiarch-tuning-operator.clusterserviceversion.yaml
-yq -i ".metadata.name=\"multiarch-tuning-operator.v${VERSION:-1.0.0}\"" config/manifests/bases/multiarch-tuning-operator.clusterserviceversion.yaml
-yq -i ".spec.startingCSV=\"multiarch-tuning-operator.v${VERSION:-1.0.0}\"" deploy/base/operators.coreos.com/subscriptions/openshift-multiarch-tuning-operator/subscription.yaml
-sed -i "s/^LABEL release=.*/LABEL release=\"${VERSION:-1.0.0}\"/" Dockerfile
-sed -i "s/^LABEL version=.*/LABEL version=\"${VERSION:-1.0.0}\"/" Dockerfile
-sed -i "s/^LABEL release=.*/LABEL release=\"${VERSION:-1.0.0}\"/" konflux.Dockerfile
-sed -i "s/^LABEL version=.*/LABEL version=\"${VERSION:-1.0.0}\"/" konflux.Dockerfile
-sed -i "s/^VERSION ?= .*/VERSION ?= ${VERSION:-1.0.0}/" Makefile
+set -e
+
+# Accept version as first argument, fall back to VERSION env var, or show usage
+if [ -n "$1" ]; then
+    VERSION="$1"
+elif [ -z "$VERSION" ]; then
+    echo "Usage: $0 <version>"
+    echo "  or set VERSION environment variable"
+    echo "Example: $0 1.2.1"
+    exit 1
+fi
+
+echo "Bumping version to: $VERSION"
+
+yq -i ".spec.version=\"${VERSION}\"" config/manifests/bases/multiarch-tuning-operator.clusterserviceversion.yaml
+yq -i ".metadata.name=\"multiarch-tuning-operator.v${VERSION}\"" config/manifests/bases/multiarch-tuning-operator.clusterserviceversion.yaml
+yq -i ".spec.startingCSV=\"multiarch-tuning-operator.v${VERSION}\"" deploy/base/operators.coreos.com/subscriptions/openshift-multiarch-tuning-operator/subscription.yaml
+yq eval-all -i "(select(.schema==\"olm.channel\").entries[0].name)=\"multiarch-tuning-operator.v${VERSION}\"" index.base.yaml
+
+
+if [[ "$(uname)" == "Darwin" ]]; then
+    # macOS BSD sed
+    sed -i '' "s/^LABEL release=.*/LABEL release=\"${VERSION}\"/" Dockerfile
+    sed -i '' "s/^LABEL version=.*/LABEL version=\"${VERSION}\"/" Dockerfile
+    sed -i '' "s/^LABEL release=.*/LABEL release=\"${VERSION}\"/" konflux.Dockerfile
+    sed -i '' "s/^LABEL version=.*/LABEL version=\"${VERSION}\"/" konflux.Dockerfile
+    sed -i '' "s/^VERSION ?= .*/VERSION ?= ${VERSION}/" Makefile
+else
+    # Linux GNU sed
+    sed -i "s/^LABEL release=.*/LABEL release=\"${VERSION}\"/" Dockerfile
+    sed -i "s/^LABEL version=.*/LABEL version=\"${VERSION}\"/" Dockerfile
+    sed -i "s/^LABEL release=.*/LABEL release=\"${VERSION}\"/" konflux.Dockerfile
+    sed -i "s/^LABEL version=.*/LABEL version=\"${VERSION}\"/" konflux.Dockerfile
+    sed -i "s/^VERSION ?= .*/VERSION ?= ${VERSION}/" Makefile
+fi
+echo "make bundle"
 make bundle
\ No newline at end of file
diff --git a/hack/patch-bundle-dockerfile.sh b/hack/patch-bundle-dockerfile.sh
index 95fc85954..d10458434 100755
--- a/hack/patch-bundle-dockerfile.sh
+++ b/hack/patch-bundle-dockerfile.sh
@@ -24,7 +24,13 @@ LABEL io.k8s.display-name="Multiarch Tuning Operator"
 LABEL io.openshift.tags="openshift,operator,multiarch,scheduling"'
 
 # Remove the content of the bundle.konflux.Dockerfile starting from the line with the comment "# Labels from hack/patch-bundle-dockerfile.sh"
-sed -i '/# Labels from hack\/patch-bundle-dockerfile.sh/,$d' bundle.konflux.Dockerfile
+if [[ "$(uname)" == "Darwin" ]]; then
+    # macOS BSD sed
+    sed -i '' '/# Labels from hack\/patch-bundle-dockerfile.sh/,$d' bundle.konflux.Dockerfile
+else
+    # Linux GNU sed
+    sed -i '/# Labels from hack\/patch-bundle-dockerfile.sh/,$d' bundle.konflux.Dockerfile
+fi
 # Append the content to the bundle.Dockerfile and bundle.konflux.Dockerfile
 cat <<EOF >>bundle.Dockerfile
 
diff --git a/index.base.yaml b/index.base.yaml
index 2e17708b2..910744a98 100644
--- a/index.base.yaml
+++ b/index.base.yaml
@@ -11,4 +11,4 @@ schema: olm.channel
 package: multiarch-tuning-operator
 name: v1.x
 entries:
-  - name: multiarch-tuning-operator.v1.2.0
+  - name: multiarch-tuning-operator.v1.2.1
diff --git a/konflux.Dockerfile b/konflux.Dockerfile
index 0f4f4bc1f..f9e57847c 100644
--- a/konflux.Dockerfile
+++ b/konflux.Dockerfile
@@ -36,9 +36,9 @@ USER 65532:65532
 LABEL com.redhat.component="Multiarch Tuning Operator"
 LABEL distribution-scope="public"
 LABEL name="multiarch-tuning/multiarch-tuning-rhel9-operator"
+LABEL release="1.2.1"
+LABEL version="1.2.1"
 LABEL cpe="cpe:/a:redhat:multiarch_tuning_operator:1.1::el9"
-LABEL release="1.2.0"
-LABEL version="1.2.0"
 LABEL url="https://github.com/openshift/multiarch-tuning-operator"
 LABEL vendor="Red Hat, Inc."
 LABEL description="The Multiarch Tuning Operator enhances the user experience for administrators of Openshift \