diff --git a/lambdas/aurora-pgvector-init/requirements.txt b/lambdas/aurora-pgvector-init/requirements.txt
index d8c287d..e062f8b 100644
--- a/lambdas/aurora-pgvector-init/requirements.txt
+++ b/lambdas/aurora-pgvector-init/requirements.txt
@@ -1 +1 @@
-boto3>=1.43.71,<2.0
+boto3>=1.43.78,<2.0
diff --git a/lambdas/library-ingest/requirements.txt b/lambdas/library-ingest/requirements.txt
index 26a3fe8..6fcaa46 100644
--- a/lambdas/library-ingest/requirements.txt
+++ b/lambdas/library-ingest/requirements.txt
@@ -1,2 +1,2 @@
-boto3>=1.43.71,<2.0
+boto3>=1.43.78,<2.0
 httpx>=0.28.1,<1.0
diff --git a/lambdas/pdf-extract/requirements.txt b/lambdas/pdf-extract/requirements.txt
index 72c8b88..ed12070 100644
--- a/lambdas/pdf-extract/requirements.txt
+++ b/lambdas/pdf-extract/requirements.txt
@@ -1,3 +1,3 @@
 pdfplumber>=0.11.10,<1.0
-boto3>=1.43.71,<2.0
+boto3>=1.43.78,<2.0
 httpx>=0.28.1,<1.0
diff --git a/lambdas/pdf-generate/requirements.txt b/lambdas/pdf-generate/requirements.txt
index b50887f..8160f15 100644
--- a/lambdas/pdf-generate/requirements.txt
+++ b/lambdas/pdf-generate/requirements.txt
@@ -1,3 +1,3 @@
-reportlab>=5.0.0,<6.0
-boto3>=1.43.74,<2.0
+reportlab>=5.0.1,<6.0
+boto3>=1.43.78,<2.0
 httpx>=0.28.1,<1.0
diff --git a/lambdas/suggestions/requirements.txt b/lambdas/suggestions/requirements.txt
index 26a3fe8..6fcaa46 100644
--- a/lambdas/suggestions/requirements.txt
+++ b/lambdas/suggestions/requirements.txt
@@ -1,2 +1,2 @@
-boto3>=1.43.71,<2.0
+boto3>=1.43.78,<2.0
 httpx>=0.28.1,<1.0