diff --git a/pyproject.toml b/pyproject.toml
index b83aadd..fcf3a37 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 requires-python = ">=3.9"
 dependencies = [
     "slack-sdk==3.41.0",
-    "slack-bolt==1.27.0",
+    "slack-bolt==1.28.0",
     "slack-cli-hooks<1.0.0",
     "openai==2.30.0",
     "python-dotenv==1.2.1",
diff --git a/requirements.txt b/requirements.txt
index 3f3d49a..cfec514 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 slack-sdk==3.41.0
-slack-bolt==1.27.0
+slack-bolt==1.28.0
 slack-cli-hooks<1.0.0
 
 # If you use a different LLM vendor, replace this dependency