diff --git a/poetry.lock b/poetry.lock
index 6ccd6e9..2fcb628 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -64,12 +64,12 @@ files = [
 
 [[package]]
 name = "pefile"
-version = "2021.5.24"
+version = "2021.9.3"
 description = "Python PE parsing module"
 optional = false
 python-versions = ">=3.6.0"
 files = [
-    {file = "pefile-2021.5.24.tar.gz", hash = "sha256:ed79b2353daa58421459abf4d685953bde0adf9f6e188944f97ba9795f100246"},
+    {file = "pefile-2021.9.3.tar.gz", hash = "sha256:344a49e40a94e10849f0fe34dddc80f773a12b40675bf2f7be4b8be578bdd94a"},
 ]
 
 [package.dependencies]
@@ -216,4 +216,4 @@ files = [
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.11"
-content-hash = "c48462cd7018aac450949d9c7ba5f7087533e6be35151ef384c1a186aca886ee"
+content-hash = "1f61e44587f3297e5fea89e2b6dfe4801873365d2ce4c088da263f34ed12712c"
diff --git a/pyproject.toml b/pyproject.toml
index cc68945..e90175e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ repository = "https://github.com/StarrFox/memobj"
 python = "^3.11"
 regex = "^2024.0.0"
 iced-x86 = "^1.20.0"
-pefile = {version = "2021.5.24", platform = "win32"}
+pefile = {version = "2021.9.3", platform = "win32"}
 
 [tool.poetry.group.tests.dependencies]
 pytest = "^8.0.0"