diff --git a/pyproject.toml b/pyproject.toml
index b2177a3..713a9cd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ requires-python = ">=3.10"
 license = {text = "MIT"}
 dependencies = [
     "attack-v19-core @ git+https://github.com/poojakira/attack-v19-core.git",
-    "mitreattack-python==3.0.3",
+    "mitreattack-python==4.0.2",
     "stix2==3.0.1",
     "pydantic==2.7.4",
     "fastapi==0.110.1",
diff --git a/requirements.txt b/requirements.txt
index c0b171c..0e78fcd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 attack-v19-core @ git+https://github.com/poojakira/attack-v19-core.git@1.0.0
-mitreattack-python==3.0.3
+mitreattack-python==4.0.2
 stix2==3.0.1
 pydantic==2.7.4
 pytest==8.2.1
\ No newline at end of file