diff --git a/src/block/carousel/deprecated.js b/src/block/carousel/deprecated.js
index fe7527728..2a532425d 100644
--- a/src/block/carousel/deprecated.js
+++ b/src/block/carousel/deprecated.js
@@ -22,6 +22,24 @@ addFilter( 'stackable.carousel.save.slider-props', 'stackable/3.19.0', ( sliderP
 } )
 
 const deprecated = [
+	{
+		// Handle the migration for adding tabIndex
+		// add anchor in the attributes to fix block validation error for blocks with anchors
+		attributes: {
+			 ...attributes( '3.18.1' ),
+			 anchor: {
+				attribute: 'id',
+				selector: '*',
+				source: 'attribute',
+				type: 'string',
+			 },
+		},
+		// dev note: using withVersion HOC still results to a block validation error so we manually add the version here
+		save: ( props => {
+			props.version = '3.18.1'
+			return Save( props )
+		} ),
+	},
 	{
 		// Handle the migration of shadow attributes with the change of type in 3.15.3
 		attributes: attributes( '3.16.2' ),
diff --git a/src/block/horizontal-scroller/deprecated.js b/src/block/horizontal-scroller/deprecated.js
index 7ee69a61f..66b194513 100644
--- a/src/block/horizontal-scroller/deprecated.js
+++ b/src/block/horizontal-scroller/deprecated.js
@@ -34,6 +34,24 @@ addFilter( 'stackable.horizontal-scroller.save.contentClassNames', 'stackable/3_
 } )
 
 const deprecated = [
+	{
+		// Handle the migration for adding tabIndex
+		// add anchor in the attributes to fix block validation error for blocks with anchors
+		attributes: {
+			 ...attributes( '3.18.1' ),
+			 anchor: {
+				attribute: 'id',
+				selector: '*',
+				source: 'attribute',
+				type: 'string',
+			 },
+		},
+		// dev note: using withVersion HOC still results to a block validation error so we manually add the version here
+		save: ( props => {
+			props.version = '3.18.1'
+			return Save( props )
+		} ),
+	},
 	{
 		// Handle the migration of shadow attributes with the change of type in 3.15.3
 		attributes: attributes( '3.16.2' ),
diff --git a/src/block/notification/deprecated.js b/src/block/notification/deprecated.js
index 52bf4acb5..4ad344762 100644
--- a/src/block/notification/deprecated.js
+++ b/src/block/notification/deprecated.js
@@ -50,6 +50,24 @@ addFilter( 'stackable.notification.save.innerClassNames', 'stackable/3.8.0', ( o
 } )
 
 const deprecated = [
+	{
+		// Trigger the migration for adding aria-label
+		// add anchor in the attributes to fix block validation error for blocks with anchors
+		attributes: {
+			...attributes( '3.18.1' ),
+			anchor: {
+			   attribute: 'id',
+			   selector: '*',
+			   source: 'attribute',
+			   type: 'string',
+			},
+	   },
+		// dev note: using withVersion HOC still results to a block validation error so we manually add the version here
+		save: ( props => {
+			props.version = '3.18.1'
+			return Save( props )
+		} ),
+	},
 	{
 		// Handle the migration of shadow attributes with the change of type in 3.15.3
 		attributes: attributes( '3.16.2' ),
diff --git a/src/block/posts/deprecated.js b/src/block/posts/deprecated.js
index 45fb5d0a4..d1ff36b7b 100644
--- a/src/block/posts/deprecated.js
+++ b/src/block/posts/deprecated.js
@@ -68,6 +68,24 @@ addFilter( 'stackable.posts.feature-image', 'stackable/3_6_3', determineFeatureI
 addFilter( 'stackable.posts.meta', 'stackable/3.19.0', fixMetaAccessibility )
 
 const deprecated = [
+	{
+		// Handle the migration for changing the HTML tag of meta props for accessibility
+		// add anchor in the attributes to fix block validation error for blocks with anchors
+		attributes: {
+			 ...attributes( '3.18.1' ),
+			 anchor: {
+				attribute: 'id',
+				selector: '*',
+				source: 'attribute',
+				type: 'string',
+			 },
+		},
+		// dev note: using withVersion HOC still results to a block validation error so we manually add the version here
+		save: ( props => {
+			props.version = '3.18.1'
+			return Save( props )
+		} ),
+	},
 	{
 		// Support the change of type for border radius
 		attributes: attributes( '3.16.3' ),
diff --git a/src/block/progress-bar/deprecated.js b/src/block/progress-bar/deprecated.js
index 0f904cca4..d4882ff16 100644
--- a/src/block/progress-bar/deprecated.js
+++ b/src/block/progress-bar/deprecated.js
@@ -25,6 +25,24 @@ const addAriaLabel = ( divProps, props ) => {
 addFilter( 'stackable.progress-bar.div-props', 'stackable/3.19.0', addAriaLabel )
 
 const deprecated = [
+	{
+		// Trigger the migration for adding aria-label
+		// add anchor in the attributes to fix block validation error for blocks with anchors
+		attributes: {
+			...attributes( '3.18.1' ),
+			anchor: {
+			   attribute: 'id',
+			   selector: '*',
+			   source: 'attribute',
+			   type: 'string',
+			},
+	   },
+		// dev note: using withVersion HOC still results to a block validation error so we manually add the version here
+		save: ( props => {
+			props.version = '3.18.1'
+			return Save( props )
+		} ),
+	},
 	{
 		// Handle the migration of shadow attributes with the change of type in 3.15.3
 		attributes: attributes( '3.16.2' ),
diff --git a/src/block/progress-circle/deprecated.js b/src/block/progress-circle/deprecated.js
index 59a2ec82a..9bedc1e42 100644
--- a/src/block/progress-circle/deprecated.js
+++ b/src/block/progress-circle/deprecated.js
@@ -27,7 +27,16 @@ addFilter( 'stackable.progress-circle.div-props', 'stackable/3.19.0', addAriaLab
 const deprecated = [
 	{
 		// Trigger the migration for adding aria-label
-		attributes: attributes( '3.18.1' ),
+		// add anchor in the attributes to fix block validation error for blocks with anchors
+		attributes: {
+			...attributes( '3.18.1' ),
+			anchor: {
+			   attribute: 'id',
+			   selector: '*',
+			   source: 'attribute',
+			   type: 'string',
+			},
+	   },
 		// dev note: using withVersion HOC still results to a block validation error so we manually add the version here
 		save: ( props => {
 			props.version = '3.18.1'