diff --git a/backend/requirements.txt b/backend/requirements.txt
index cb5d96d..f0d2ab7 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -5,7 +5,7 @@ pydantic>=2.7.4
 pydantic[email]>=2.7.4
 python-jose[cryptography]==3.3.0
 passlib[bcrypt]==1.7.4
-bcrypt==4.0.1
+bcrypt==5.0.0
 realtime>=2.0.5
 python-dotenv>=1.1.0
 pytest==8.4.2
diff --git a/pyproject.toml b/pyproject.toml
index 717d150..1cb6707 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ dependencies = [
     "pydantic[email]>=2.5.0",
     "python-jose[cryptography]>=3.3.0",
     "passlib[bcrypt]>=1.7.4",
-    "bcrypt==4.0.1",  # pinned: passlib 1.7.4 breaks with bcrypt>=4.1; does not block resolution
+    "bcrypt==5.0.0",  # pinned: passlib 1.7.4 breaks with bcrypt>=4.1; does not block resolution
     "realtime>=2.0.5",
     "python-dotenv>=1.0.0",
     "fastf1>=3.4.0",