diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1d2ee797..5df907dd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,18 @@
 
 ---
 
+#### `5.1.2`
+
+- chore(dependencies): update (js-yaml vulnerability)
+- fix(avatar): add `alt` prop for img alternate text
+- fix(footer): set default `role="contentinfo"`
+- fix(header): set default `role="banner"`
+- fix(sidebar-nav): set default `role="navigation"`
+- fix(tab-pane): add default `role="tabpanel"`
+- fix(TabContentRef): add `aria-selected` attribute and default `role="tab"`
+
+---
+
 #### `5.1.1`
 
 - chore(dependencies): update
diff --git a/package-lock.json b/package-lock.json
index 0b5f2600..4da3a3df 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "coreui-angular-dev",
-  "version": "5.1.1",
+  "version": "5.1.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "coreui-angular-dev",
-      "version": "5.1.1",
+      "version": "5.1.2",
       "license": "MIT",
       "dependencies": {
         "@angular/animations": "^17.3.10",
@@ -3680,21 +3680,21 @@
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+      "resolved": "https://registry.npmjs.org/@nrwl/devkit/-/devkit-19.1.0.tgz",
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       "dev": true,
       "dependencies": {
-        "@nx/devkit": "19.0.7"
+        "@nx/devkit": "19.1.0"
       }
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-      "version": "19.0.7",
-      "resolved": "https://registry.npmjs.org/@nrwl/tao/-/tao-19.0.7.tgz",
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+      "resolved": "https://registry.npmjs.org/@nrwl/tao/-/tao-19.1.0.tgz",
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       "dev": true,
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-        "nx": "19.0.7",
+        "nx": "19.1.0",
         "tslib": "^2.3.0"
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@@ -3702,12 +3702,12 @@
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+      "resolved": "https://registry.npmjs.org/@nx/devkit/-/devkit-19.1.0.tgz",
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-        "@nrwl/devkit": "19.0.7",
+        "@nrwl/devkit": "19.1.0",
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@@ -3722,9 +3722,9 @@
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@@ -3738,9 +3738,9 @@
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@@ -3754,9 +3754,9 @@
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@@ -3770,9 +3770,9 @@
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@@ -3786,9 +3786,9 @@
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@@ -3802,9 +3802,9 @@
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@@ -3818,9 +3818,9 @@
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@@ -3834,9 +3834,9 @@
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@@ -3850,9 +3850,9 @@
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@@ -3866,9 +3866,9 @@
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@@ -5027,6 +5027,24 @@
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+      "resolved": "https://registry.npmjs.org/@zkochan/js-yaml/-/js-yaml-0.0.7.tgz",
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+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz",
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@@ -5805,9 +5823,9 @@
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@@ -6866,9 +6884,9 @@
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@@ -9613,9 +9632,9 @@
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@@ -11114,12 +11133,6 @@
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-      "bin": {
-        "js-yaml": "bin/js-yaml.js"
-      }
-    },
     "node_modules/nx/node_modules/jsonc-parser": {
       "version": "3.2.0",
       "resolved": "https://registry.npmjs.org/jsonc-parser/-/jsonc-parser-3.2.0.tgz",
@@ -12496,6 +12496,7 @@
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-3.0.2.tgz",
       "integrity": "sha512-JZkJMZkAGFFPP2YqXZXPbMlMBgsxzE8ILs4lMIX/2o0L9UBw9O/Y3o6wFw/i9YLapcUJWwqbi3kdxIPdC62TIA==",
+      "deprecated": "Rimraf versions prior to v4 are no longer supported",
       "dev": true,
       "dependencies": {
         "glob": "^7.1.3"
diff --git a/package.json b/package.json
index e36483cf..681b1df6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "coreui-angular-dev",
-  "version": "5.1.1",
+  "version": "5.1.2",
   "description": "CoreUI Components Library for Angular",
   "copyright": "Copyright 2024 creativeLabs Łukasz Holeczek",
   "license": "MIT",
@@ -11,7 +11,7 @@
     "build:lib:prod": "ng build coreui-angular",
     "test:lib:dev": "ng test coreui-angular",
     "test:lib:prod": "ng test coreui-angular --karma-config=projects/coreui-angular/karma.conf.github.js",
-    "prepublish:lib": "ng build coreui-icons-angular && ng lint coreui-angular && ng test coreui-angular --watch=false && ng build coreui-angular",
+    "prepublish:lib": "npm run prepublish:icons && ng lint coreui-angular && ng test coreui-angular --watch=false && ng build coreui-angular",
     "publish:lib": "cd dist/coreui-angular/ && npm publish --tag next --dry-run",
     "lint:lib": "ng lint coreui-angular",
     "link:lib": "cd dist/coreui-angular/ && npm link",
diff --git a/projects/coreui-angular/package.json b/projects/coreui-angular/package.json
index 7818f37b..f96e7f73 100644
--- a/projects/coreui-angular/package.json
+++ b/projects/coreui-angular/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@coreui/angular",
-  "version": "5.1.1",
+  "version": "5.1.2",
   "description": "CoreUI Components Library for Angular",
   "copyright": "Copyright 2024 creativeLabs Łukasz Holeczek",
   "license": "MIT",
diff --git a/projects/coreui-angular/src/lib/avatar/avatar.component.html b/projects/coreui-angular/src/lib/avatar/avatar.component.html
index 17cc35e5..4d44eda9 100644
--- a/projects/coreui-angular/src/lib/avatar/avatar.component.html
+++ b/projects/coreui-angular/src/lib/avatar/avatar.component.html
@@ -7,7 +7,7 @@
 
 <ng-template #defaultImageTemplate>
   @if (!!src) {
-    <img [src]="src" class="avatar-img" />
+    <img [ngSrc]="src" fill class="avatar-img" alt="{{alt}}" />
   } @else {
     <ng-content />
   }
diff --git a/projects/coreui-angular/src/lib/avatar/avatar.component.ts b/projects/coreui-angular/src/lib/avatar/avatar.component.ts
index 5a95f487..75134da6 100644
--- a/projects/coreui-angular/src/lib/avatar/avatar.component.ts
+++ b/projects/coreui-angular/src/lib/avatar/avatar.component.ts
@@ -1,5 +1,5 @@
 import { Component, HostBinding, Input } from '@angular/core';
-import { NgClass, NgTemplateOutlet } from '@angular/common';
+import { NgClass, NgOptimizedImage, NgTemplateOutlet } from '@angular/common';
 
 import { Colors, Shapes, Sizes, TextColors } from '../coreui.types';
 import { TextColorDirective } from '../utilities';
@@ -8,13 +8,13 @@ import { TextColorDirective } from '../utilities';
   selector: 'c-avatar',
   templateUrl: './avatar.component.html',
   standalone: true,
-  imports: [
-    NgTemplateOutlet,
-    NgClass
-  ],
-  hostDirectives: [{
-    directive: TextColorDirective, inputs: ['cTextColor: textColor']
-  }]
+  imports: [NgTemplateOutlet, NgClass, NgOptimizedImage],
+  hostDirectives: [
+    {
+      directive: TextColorDirective,
+      inputs: ['cTextColor: textColor']
+    }
+  ]
 })
 export class AvatarComponent {
   /**
@@ -22,21 +22,31 @@ export class AvatarComponent {
    * @type Colors
    */
   @Input() color?: Colors;
+
   /**
    * Select the shape of the component.
    * @type Shapes
    */
   @Input() shape?: Shapes;
+
   /**
    * Size the component small, large, or extra large.
    * @default 'md'
    */
   @Input() size?: Omit<Sizes, 'xxl'> = 'md';
+
+  /**
+   * The alt attribute for the img element alternate text.
+   * @type string
+   */
+  @Input() alt: string = '';
+
   /**
    * The src attribute for the img element.
    * @type string
    */
   @Input() src?: string;
+
   /**
    * Sets the color context of the status indicator to one of CoreUI’s themed colors.
    * @type Colors
@@ -50,8 +60,6 @@ export class AvatarComponent {
    */
   @Input() textColor?: TextColors;
 
-  constructor() { }
-
   get statusClass(): any {
     return {
       'avatar-status': true,
diff --git a/projects/coreui-angular/src/lib/footer/footer.component.ts b/projects/coreui-angular/src/lib/footer/footer.component.ts
index 13c61fad..9524200a 100644
--- a/projects/coreui-angular/src/lib/footer/footer.component.ts
+++ b/projects/coreui-angular/src/lib/footer/footer.component.ts
@@ -13,13 +13,15 @@ export class FooterComponent {
    * @type Positions
    */
   @Input() position?: Positions;
+
   /**
    * Default role for footer. [docs]
    * @type string
-   * @default 'footer'
+   * @default 'contentinfo'
    */
+  @HostBinding('attr.role')
   @Input()
-  @HostBinding('attr.role') role = 'footer';
+  role = 'contentinfo';
 
   @HostBinding('class')
   get getClasses(): any {
diff --git a/projects/coreui-angular/src/lib/header/header/header.component.ts b/projects/coreui-angular/src/lib/header/header/header.component.ts
index 712e1874..3d362d5b 100644
--- a/projects/coreui-angular/src/lib/header/header/header.component.ts
+++ b/projects/coreui-angular/src/lib/header/header/header.component.ts
@@ -12,7 +12,6 @@ type Container = boolean | 'sm' | 'md' | 'lg' | 'xl' | 'xxl' | 'fluid';
   imports: [NgClass]
 })
 export class HeaderComponent {
-
   /**
    * Defines optional container wrapping children elements.
    */
@@ -24,10 +23,11 @@ export class HeaderComponent {
   /**
    * Default role for header. [docs]
    * @type string
-   * @default 'header'
+   * @default 'banner'
    */
   @HostBinding('attr.role')
-  @Input() role = 'header';
+  @Input()
+  role = 'banner';
 
   @HostBinding('class')
   get getClasses(): any {
diff --git a/projects/coreui-angular/src/lib/sidebar/sidebar-nav/sidebar-nav.component.ts b/projects/coreui-angular/src/lib/sidebar/sidebar-nav/sidebar-nav.component.ts
index b0681dec..bb45b62b 100644
--- a/projects/coreui-angular/src/lib/sidebar/sidebar-nav/sidebar-nav.component.ts
+++ b/projects/coreui-angular/src/lib/sidebar/sidebar-nav/sidebar-nav.component.ts
@@ -52,20 +52,23 @@ import { IconDirective } from '@coreui/icons-angular';
   ],
   animations: [
     trigger('openClose', [
-      state('open', style({
-        height: '*'
-      })),
-      state('closed', style({
-        height: '0px'
-      })),
-      transition('open <=> closed', [
-        animate('.15s ease')
-      ])
+      state(
+        'open',
+        style({
+          height: '*'
+        })
+      ),
+      state(
+        'closed',
+        style({
+          height: '0px'
+        })
+      ),
+      transition('open <=> closed', [animate('.15s ease')])
     ])
   ]
 })
 export class SidebarNavGroupComponent implements OnInit, OnDestroy {
-
   constructor(
     private router: Router,
     private renderer: Renderer2,
@@ -102,7 +105,6 @@ export class SidebarNavGroupComponent implements OnInit, OnDestroy {
   public display: any = { display: 'block' };
 
   ngOnInit(): void {
-
     this.navItems = [...this.item.children];
 
     this.navSubscription = this.navigationEndObservable.subscribe((event: NavigationEnd) => {
@@ -116,7 +118,7 @@ export class SidebarNavGroupComponent implements OnInit, OnDestroy {
       this.openGroup(true);
     }
 
-    this.navGroupSubscription = this.sidebarNavGroupService.sidebarNavGroupState$.subscribe(next => {
+    this.navGroupSubscription = this.sidebarNavGroupService.sidebarNavGroupState$.subscribe((next) => {
       if (this.dropdownMode === 'close' && next.sidebarNavGroup && next.sidebarNavGroup !== this) {
         if (next.sidebarNavGroup.item.url.startsWith(this.item.url)) {
           return;
@@ -194,7 +196,6 @@ export class SidebarNavGroupComponent implements OnInit, OnDestroy {
   ]
 })
 export class SidebarNavComponent implements OnChanges {
-
   constructor(
     @Optional() public sidebar: SidebarComponent,
     public helper: SidebarNavHelper,
@@ -202,7 +203,7 @@ export class SidebarNavComponent implements OnChanges {
     private renderer: Renderer2,
     private hostElement: ElementRef,
     private sidebarService: SidebarService
-  ) { }
+  ) {}
 
   @Input() navItems?: INavData[] = [];
   @Input() dropdownMode: 'path' | 'none' | 'close' = 'path';
@@ -223,7 +224,9 @@ export class SidebarNavComponent implements OnChanges {
   //   return !!this.groupItems;
   // }
 
-  @HostBinding('attr.role') role = 'nav';
+  @HostBinding('attr.role')
+  @Input()
+  role = 'navigation';
 
   public navItemsArray: INavData[] = [];
 
diff --git a/projects/coreui-angular/src/lib/tabs/tab-content-ref.directive.ts b/projects/coreui-angular/src/lib/tabs/tab-content-ref.directive.ts
index 392fd23d..0aafeba8 100644
--- a/projects/coreui-angular/src/lib/tabs/tab-content-ref.directive.ts
+++ b/projects/coreui-angular/src/lib/tabs/tab-content-ref.directive.ts
@@ -19,7 +19,6 @@ import { TabService } from './tab.service';
   standalone: true
 })
 export class TabContentRefDirective implements OnChanges, OnDestroy {
-
   constructor(
     private changeDetectorRef: ChangeDetectorRef,
     private tabService: TabService
@@ -92,7 +91,16 @@ export class TabContentRefDirective implements OnChanges, OnDestroy {
   @HostBinding('attr.disabled')
   get attrDisabled() {
     return this.disabled ? '' : null;
-  };
+  }
+
+  @HostBinding('attr.aria-selected')
+  private get ariaSelected() {
+    return this.active;
+  }
+
+  @Input()
+  @HostBinding('attr.role')
+  role = 'tab';
 
   @HostBinding('attr.tabindex')
   get getTabindex(): string | null {
@@ -130,7 +138,7 @@ export class TabContentRefDirective implements OnChanges, OnDestroy {
     if (subscribe) {
       this.tabServiceSubscription = this.tabService.activeTabPaneIdx$.subscribe((tabContentState) => {
         if (tabContentState.tabContent === this.tabContentRef) {
-          this.active = (tabContentState.activeIdx === this.tabPaneIdx);
+          this.active = tabContentState.activeIdx === this.tabPaneIdx;
         }
       });
     } else {
diff --git a/projects/coreui-angular/src/lib/tabs/tab-pane/tab-pane.component.ts b/projects/coreui-angular/src/lib/tabs/tab-pane/tab-pane.component.ts
index 37be5f5c..c6fc19ba 100644
--- a/projects/coreui-angular/src/lib/tabs/tab-pane/tab-pane.component.ts
+++ b/projects/coreui-angular/src/lib/tabs/tab-pane/tab-pane.component.ts
@@ -1,4 +1,4 @@
-import { booleanAttribute, ChangeDetectorRef, Component, HostBinding, OnDestroy } from '@angular/core';
+import { booleanAttribute, ChangeDetectorRef, Component, HostBinding, Input, OnDestroy } from '@angular/core';
 import { Subscription } from 'rxjs';
 
 import { TabContentComponent } from '../tab-content/tab-content.component';
@@ -12,7 +12,6 @@ import { ITabContentState, TabService } from '../tab.service';
   standalone: true
 })
 export class TabPaneComponent implements OnDestroy {
-
   constructor(
     private changeDetectorRef: ChangeDetectorRef,
     private tabService: TabService
@@ -48,6 +47,10 @@ export class TabPaneComponent implements OnDestroy {
     };
   }
 
+  @Input()
+  @HostBinding('attr.role')
+  role = 'tabpanel';
+
   ngOnDestroy(): void {
     this.subscribeTabService(false);
   }
@@ -56,7 +59,7 @@ export class TabPaneComponent implements OnDestroy {
     if (subscribe) {
       this.tabServiceSubscription = this.tabService.activeTabPaneIdx$.subscribe((tabContentState: ITabContentState) => {
         if (tabContentState.tabContent === this.tabContent) {
-          this.active = (tabContentState.activeIdx === this.tabPaneIdx);
+          this.active = tabContentState.activeIdx === this.tabPaneIdx;
         }
       });
     } else {