diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index e5a223d4a6..6b4366a7f9 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -39,8 +39,8 @@ env:
   OPENSSH_WINDOWS_VERSION: 10.0.0.0p2-Preview
   OPENSSH_WINDOWS_SHA256_ARM64: 698c6aec31c1dd0fb996206e8741f4531a97355686b5431ef347d531b07fcd42
   OPENSSH_WINDOWS_SHA256_WIN64: 23f50f3458c4c5d0b12217c6a5ddfde0137210a30fa870e98b29827f7b43aba5
-  STUNNEL_VERSION: 5.77
-  STUNNEL_SHA256: 59ba0c5330de85ef474164b40cc559b2eb4e2b8d788c48b564e2257efa236384
+  STUNNEL_VERSION: 5.78
+  STUNNEL_SHA256: 32a88dcc5654f955266109be8bf10fd7d56fa4e125cab821ee508230570e46c5
 
 jobs:
   build-cache: