diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 27b009543ccf..b69e5e21f676 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -427,8 +427,8 @@ jobs:
             PATH: pyopenssl
           - DOWNSTREAM: twisted
             REPO: twisted/twisted
-            # Latest commit on the twisted trunk branch, as of Mar 27, 2026.
-            REF: d5961c8504410ea58bc44cb4d8198ef2aef3d3a6
+            # Latest commit on the twisted trunk branch, as of Mar 30, 2026.
+            REF: 3d84863915f8b6ec8a11be2132ebb2bd0b3d0c03
             PATH: twisted
           - DOWNSTREAM: aws-encryption-sdk-python
             REPO: awslabs/aws-encryption-sdk-python
@@ -457,8 +457,8 @@ jobs:
             PATH: mitmproxy
           - DOWNSTREAM: scapy
             REPO: secdev/scapy
-            # Latest commit on the scapy master branch, as of Mar 24, 2026.
-            REF: 04b99c3c69572b579526bc6861ecdc1f6ab5f265
+            # Latest commit on the scapy master branch, as of Mar 30, 2026.
+            REF: f4a2ca43c19c0984117fc13b0946dc5451390a69
             PATH: scapy
           - DOWNSTREAM: sigstore-python
             REPO: sigstore/sigstore-python