diff --git a/packages/gapic-generator/requirements.txt b/packages/gapic-generator/requirements.txt
index d56c71dab80c..894af2ac7aeb 100644
--- a/packages/gapic-generator/requirements.txt
+++ b/packages/gapic-generator/requirements.txt
@@ -1339,9 +1339,9 @@ protobuf==7.36.2 \
     #   googleapis-common-protos
     #   grpc-google-iam-v1
     #   proto-plus
-pyasn1==0.6.4 \
-    --hash=sha256:9c447d8431c947fe4c8febc4ed9e760bc29011a5b01e5c74b67025bd9fb8ce81 \
-    --hash=sha256:deda9277cfd454080ec40b207fb6df82206a3a2688735233cdcd8d3d565f088b
+pyasn1==0.6.5 \
+    --hash=sha256:4017b0fce125096b8573b39c989fdb1a4b19cf761e683398184550fea0e66587 \
+    --hash=sha256:6b11616a6bcf3a40e635f082bb232fa57b5e0dd7f517bd7ddd69ec3794508a47
     # via pyasn1-modules
 pyasn1-modules==0.4.2 \
     --hash=sha256:29253a9207ce32b64c3ac6600edc75368f98473906e8fd1043bd6b5b1de2c14a \
diff --git a/packages/google-cloud-bigquery/samples/geography/requirements.txt b/packages/google-cloud-bigquery/samples/geography/requirements.txt
index 3474b1df272d..b198e9544886 100644
--- a/packages/google-cloud-bigquery/samples/geography/requirements.txt
+++ b/packages/google-cloud-bigquery/samples/geography/requirements.txt
@@ -25,7 +25,7 @@ packaging==26.3
 pandas==3.0.6
 proto-plus==1.29.0
 pyarrow==26.0.0
-pyasn1==0.6.4
+pyasn1==0.6.5
 pyasn1-modules==0.4.2
 pycparser==3.11
 pyparsing==3.3.3
diff --git a/packages/sqlalchemy-spanner/requirements.txt b/packages/sqlalchemy-spanner/requirements.txt
index 82c8efe621d8..5a388744d4ae 100644
--- a/packages/sqlalchemy-spanner/requirements.txt
+++ b/packages/sqlalchemy-spanner/requirements.txt
@@ -953,9 +953,9 @@ protobuf==7.36.2 \
     #   grpc-google-iam-v1
     #   grpcio-status
     #   proto-plus
-pyasn1==0.6.4 \
-    --hash=sha256:9c447d8431c947fe4c8febc4ed9e760bc29011a5b01e5c74b67025bd9fb8ce81 \
-    --hash=sha256:deda9277cfd454080ec40b207fb6df82206a3a2688735233cdcd8d3d565f088b
+pyasn1==0.6.5 \
+    --hash=sha256:4017b0fce125096b8573b39c989fdb1a4b19cf761e683398184550fea0e66587 \
+    --hash=sha256:6b11616a6bcf3a40e635f082bb232fa57b5e0dd7f517bd7ddd69ec3794508a47
     # via pyasn1-modules
 pyasn1-modules==0.4.2 \
     --hash=sha256:29253a9207ce32b64c3ac6600edc75368f98473906e8fd1043bd6b5b1de2c14a \