diff --git a/dialogflow-comparison/package-lock.json b/dialogflow-comparison/package-lock.json
index a4aca57e..7ca25e43 100644
--- a/dialogflow-comparison/package-lock.json
+++ b/dialogflow-comparison/package-lock.json
@@ -2237,9 +2237,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.4.24",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.24.tgz",
-      "integrity": "sha512-M0RzbcI0sO/XJNucsGjvWU9ERWxb/ytp1w6dKtxTKgixdtQDq4rmx/g8W1hnaheq9jgwL/oyEdH5Bc4WwJKMqg==",
+      "version": "8.4.27",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.27.tgz",
+      "integrity": "sha512-gY/ACJtJPSmUFPDCHtX78+01fHa64FaU4zaaWfuh1MhGJISufJAH4cun6k/8fwsHYeK4UQmENQK+tRLCFJE8JQ==",
       "dev": true,
       "funding": [
         {
diff --git a/dialogflow-cx/vpc-sc-auth-server/server/requirements-test.txt b/dialogflow-cx/vpc-sc-auth-server/server/requirements-test.txt
index ca259b7d..ecec4284 100644
--- a/dialogflow-cx/vpc-sc-auth-server/server/requirements-test.txt
+++ b/dialogflow-cx/vpc-sc-auth-server/server/requirements-test.txt
@@ -18,6 +18,6 @@ pytest==7.4.0
 pytest-mypy==0.10.3
 mock==5.0.2
 invoke==2.2.0
-pyyaml==6.0
+pyyaml==6.0.1
 coverage==7.2.7
 pytest-cov==4.1.0