diff --git a/pdf-knowledge-base-with-citations/package.json b/pdf-knowledge-base-with-citations/package.json
index 49e79b1..448a0d9 100644
--- a/pdf-knowledge-base-with-citations/package.json
+++ b/pdf-knowledge-base-with-citations/package.json
@@ -47,7 +47,7 @@
     "@cloudscape-design/components": "^3.0.727",
     "@types/aws-lambda": "^8.10.143",
     "@types/react-pdf": "^7.0.0",
-    "aws-cdk-lib": "^2.118.0",
+    "aws-cdk-lib": "^2.177.0",
     "constructs": "^10.0.5",
     "dotenv": "^16.4.5",
     "react-pdf": "^9.1.0"
diff --git a/pdf-knowledge-base-with-citations/yarn.lock b/pdf-knowledge-base-with-citations/yarn.lock
index 3654ce5..a4627a1 100644
--- a/pdf-knowledge-base-with-citations/yarn.lock
+++ b/pdf-knowledge-base-with-citations/yarn.lock
@@ -2,20 +2,28 @@
 # yarn lockfile v1
 
 
-"@aws-cdk/asset-awscli-v1@^2.2.202":
-  version "2.2.202"
-  resolved "https://registry.yarnpkg.com/@aws-cdk/asset-awscli-v1/-/asset-awscli-v1-2.2.202.tgz#4627201d71f6a5c60db36385ce09cb81005f4b32"
-  integrity sha512-JqlF0D4+EVugnG5dAsNZMqhu3HW7ehOXm5SDMxMbXNDMdsF0pxtQKNHRl52z1U9igsHmaFpUgSGjbhAJ+0JONg==
+"@aws-cdk/asset-awscli-v1@^2.2.208":
+  version "2.2.221"
+  resolved "https://registry.yarnpkg.com/@aws-cdk/asset-awscli-v1/-/asset-awscli-v1-2.2.221.tgz#747506051071610dbe054d7266208fd9afb2fff2"
+  integrity sha512-+Vu2cMvgtkaHwNezrTVng4+FAMAWKJTkC/2ZQlgkbY05k0lHHK/2eWKqBhTeA7EpxVrx9uFN7GdBFz3mcThpxg==
 
-"@aws-cdk/asset-kubectl-v20@^2.1.2":
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/@aws-cdk/asset-kubectl-v20/-/asset-kubectl-v20-2.1.2.tgz#d8e20b5f5dc20128ea2000dc479ca3c7ddc27248"
-  integrity sha512-3M2tELJOxQv0apCIiuKQ4pAbncz9GuLwnKFqxifWfe77wuMxyTRPmxssYHs42ePqzap1LT6GDcPygGs+hHstLg==
+"@aws-cdk/asset-kubectl-v20@^2.1.3":
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/@aws-cdk/asset-kubectl-v20/-/asset-kubectl-v20-2.1.3.tgz#80e09004be173995e91614e34d947da11dd9ff4d"
+  integrity sha512-cDG1w3ieM6eOT9mTefRuTypk95+oyD7P5X/wRltwmYxU7nZc3+076YEVS6vrjDKr3ADYbfn0lDKpfB1FBtO9CQ==
 
-"@aws-cdk/asset-node-proxy-agent-v6@^2.0.3":
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/@aws-cdk/asset-node-proxy-agent-v6/-/asset-node-proxy-agent-v6-2.0.3.tgz#9b5d213b5ce5ad4461f6a4720195ff8de72e6523"
-  integrity sha512-twhuEG+JPOYCYPx/xy5uH2+VUsIEhPTzDY0F1KuB+ocjWWB/KEDiOVL19nHvbPCB6fhWnkykXEMJ4HHcKvjtvg==
+"@aws-cdk/asset-node-proxy-agent-v6@^2.1.0":
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/@aws-cdk/asset-node-proxy-agent-v6/-/asset-node-proxy-agent-v6-2.1.0.tgz#6d3c7860354d4856a7e75375f2f0ecab313b4989"
+  integrity sha512-7bY3J8GCVxLupn/kNmpPc5VJz8grx+4RKfnnJiO1LG+uxkZfANZG3RMHhE+qQxxwkyQ9/MfPtTpf748UhR425A==
+
+"@aws-cdk/cloud-assembly-schema@^39.2.0":
+  version "39.2.8"
+  resolved "https://registry.yarnpkg.com/@aws-cdk/cloud-assembly-schema/-/cloud-assembly-schema-39.2.8.tgz#2e953547e3d67487179090a82dac7d9c0a6de723"
+  integrity sha512-VkppFgLbm5M1/K8S+BimI/0COq+E9fCDcdDyAe4gFizHNZTALZA4sMds2kug1rtPFKCcWAexrycs2D4iQHcRCw==
+  dependencies:
+    jsonschema "~1.4.1"
+    semver "^7.6.3"
 
 "@aws-crypto/crc32@5.2.0":
   version "5.2.0"
@@ -2262,23 +2270,24 @@ available-typed-arrays@^1.0.7:
   dependencies:
     possible-typed-array-names "^1.0.0"
 
-aws-cdk-lib@^2.118.0:
-  version "2.152.0"
-  resolved "https://registry.yarnpkg.com/aws-cdk-lib/-/aws-cdk-lib-2.152.0.tgz#f34eb97e61b46fe8c2b0b5f0b9dc244e21fee36c"
-  integrity sha512-w8Dn92xYCUWSRL9ncoXzpGzyDAHbljnrhXFm/pTR1YZTxdbLHvIOdh7D9b9qhtghUnq2i522I6/z2NJggPcNWQ==
+aws-cdk-lib@^2.177.0:
+  version "2.177.0"
+  resolved "https://registry.yarnpkg.com/aws-cdk-lib/-/aws-cdk-lib-2.177.0.tgz#dd161eb9b3fca56d0677c903ff758780a3eeb974"
+  integrity sha512-nTnHAwjZaPJ5gfJjtzE/MyK6q0a66nWthoJl7l8srucRb+I30dczhbbXor6QCdVpJaTRAEliMOMq23aglsAQbg==
   dependencies:
-    "@aws-cdk/asset-awscli-v1" "^2.2.202"
-    "@aws-cdk/asset-kubectl-v20" "^2.1.2"
-    "@aws-cdk/asset-node-proxy-agent-v6" "^2.0.3"
+    "@aws-cdk/asset-awscli-v1" "^2.2.208"
+    "@aws-cdk/asset-kubectl-v20" "^2.1.3"
+    "@aws-cdk/asset-node-proxy-agent-v6" "^2.1.0"
+    "@aws-cdk/cloud-assembly-schema" "^39.2.0"
     "@balena/dockerignore" "^1.0.2"
     case "1.6.3"
     fs-extra "^11.2.0"
-    ignore "^5.3.1"
+    ignore "^5.3.2"
     jsonschema "^1.4.1"
     mime-types "^2.1.35"
     minimatch "^3.1.2"
     punycode "^2.3.1"
-    semver "^7.6.2"
+    semver "^7.6.3"
     table "^6.8.2"
     yaml "1.10.2"
 
@@ -3254,7 +3263,7 @@ https-proxy-agent@^5.0.0:
     agent-base "6"
     debug "4"
 
-ignore@^5.2.0, ignore@^5.3.1:
+ignore@^5.2.0, ignore@^5.3.1, ignore@^5.3.2:
   version "5.3.2"
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-5.3.2.tgz#3cd40e729f3643fd87cb04e50bf0eb722bc596f5"
   integrity sha512-hsBTNUqQTDwkWtcdYI2i06Y/nUBEsNEDJKjWdigLvegy8kDuJAS8uRlpkkcQpyEXL0Z/pjDy5HBmMjRCJ2gq+g==
@@ -3511,7 +3520,7 @@ jsonfile@^6.0.1:
   optionalDependencies:
     graceful-fs "^4.1.6"
 
-jsonschema@^1.4.1:
+jsonschema@^1.4.1, jsonschema@~1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/jsonschema/-/jsonschema-1.4.1.tgz#cc4c3f0077fb4542982973d8a083b6b34f482dab"
   integrity sha512-S6cATIPVv1z0IlxdN+zUk5EPjkGCdnhN4wVSBlvoUO1tOLJootbo9CquNJmbIh4yikWHiUedhRYrNPn1arpEmQ==
@@ -4048,7 +4057,7 @@ semver@^6.0.0, semver@^6.3.1:
   resolved "https://registry.yarnpkg.com/semver/-/semver-6.3.1.tgz#556d2ef8689146e46dcea4bfdd095f3434dffcb4"
   integrity sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA==
 
-semver@^7.3.5, semver@^7.6.0, semver@^7.6.2, semver@^7.6.3:
+semver@^7.3.5, semver@^7.6.0, semver@^7.6.3:
   version "7.6.3"
   resolved "https://registry.yarnpkg.com/semver/-/semver-7.6.3.tgz#980f7b5550bc175fb4dc09403085627f9eb33143"
   integrity sha512-oVekP1cKtI+CTDvHWYFUcMtsK/00wmAEfyqKfNdARm8u1wNVhSgaX7A8d4UuIlUI5e84iEwOhs7ZPYRmzU9U6A==