diff --git a/listener/requirements.txt b/listener/requirements.txt
index 387b6c5..70b58b7 100644
--- a/listener/requirements.txt
+++ b/listener/requirements.txt
@@ -1,3 +1,3 @@
 slack-bolt>=1.28.0
 slack-sdk>=3.42.0
-boto3>=1.43.18
+boto3>=1.43.24
diff --git a/package-lock.json b/package-lock.json
index 3a5c628..d13ade0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
         "constructs": "^10.4.2"
       },
       "devDependencies": {
-        "@types/node": "^25.9.1",
+        "@types/node": "^25.9.2",
         "aws-cdk": "^2.1125.0",
         "ts-node": "^10.9.2",
         "typescript": "~6.0.3"
@@ -150,9 +150,9 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "25.9.1",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.9.1.tgz",
-      "integrity": "sha512-xfrlY7UD5rMJk3ZVJP8BNzS28J36YJg+xp+LPXV1TdWxr8uMH5A860QNxYDGQe/ylDSgjxE52Q9VnO7p75tJxg==",
+      "version": "25.9.2",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.9.2.tgz",
+      "integrity": "sha512-G05zqtJhcDLb8uslf5EjCxXg9G1KQxiV8OS0R26IC//Eoyitzqe8z37I7cqvnZlrlSfgocQRfSn/AHBZJJFyGw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/package.json b/package.json
index d77207c..100fc77 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "synth": "cdk synth"
   },
   "devDependencies": {
-    "@types/node": "^25.9.1",
+    "@types/node": "^25.9.2",
     "aws-cdk": "^2.1125.0",
     "ts-node": "^10.9.2",
     "typescript": "~6.0.3"
diff --git a/src/requirements.txt b/src/requirements.txt
index cc6ba64..d5e2a16 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -4,4 +4,4 @@ python-ulid>=3.1.0
 requests>=2.34.2
 # Transitive dep not reliably resolved during bundling; absence breaks all
 # imports at INIT (Runtime.ImportModuleError, fetch-classify down 05-05→06-03)
-typing_extensions>=4.12
+typing_extensions>=4.15.0