diff --git a/Taskfile.yml b/Taskfile.yml
index 454fb0c..cf3ec3e 100644
--- a/Taskfile.yml
+++ b/Taskfile.yml
@@ -58,12 +58,14 @@ tasks:
       - test:markdown
       - test:html
       - test:links
+      - likec4:validate
 
   test:quick:
     desc: Run quick tests (without link check)
     deps:
       - test:build
       - test:markdown
+      - likec4:validate
 
   test:build:
     desc: Test Hugo build
@@ -98,6 +100,31 @@ tasks:
     cmds:
       - cd resources/edp-likec4 && npx likec4 codegen webcomponent --webcomponent-prefix likec4 --outfile ../../static/js/likec4-webcomponent.js
 
+  likec4:validate:
+    desc: Validate LikeC4 models
+    cmds:
+      - echo "Validating EDP architecture models..."
+      - cd resources/edp-likec4 && npx likec4 validate --ignore-layout
+      - echo "Validating Documentation platform models..."
+      - cd resources/doc-likec4 && npx likec4 validate --ignore-layout
+      - echo "✓ All LikeC4 models validated successfully"
+
+  likec4:validate:layout:
+    desc: Validate LikeC4 models including layout
+    cmds:
+      - echo "Validating EDP architecture models (including layout)..."
+      - cd resources/edp-likec4 && npx likec4 validate
+      - echo "Validating Documentation platform models (including layout)..."
+      - cd resources/doc-likec4 && npx likec4 validate
+      - echo "✓ All LikeC4 models and layouts validated successfully"
+
+  likec4:update:
+    desc: Update LikeC4 to latest version
+    cmds:
+      - cd resources/edp-likec4 && npm update likec4
+      - cd resources/doc-likec4 && npm update likec4
+      - echo "✓ LikeC4 updated in both projects"
+
   # Development tasks
   deps:ensure-npm:
     desc: Ensure npm dependencies are installed