diff --git a/pyproject.toml b/pyproject.toml
index d7ea939..fb1b8f0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ dependencies = [
     "slack-bolt==1.28.0",
     "slack-cli-hooks<1.0.0",
     "openai==2.43.0",
-    "python-dotenv==1.2.1",
+    "python-dotenv==1.2.2",
 ]
 
 [project.optional-dependencies]
diff --git a/requirements.txt b/requirements.txt
index a0cd2ac..d0ba342 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,5 +7,5 @@ openai==2.43.0
 
 pytest==9.0.2
 ruff==0.15.19
-python-dotenv==1.2.1
+python-dotenv==1.2.2
 slack-cli-hooks<1.0.0