diff --git a/manifests/Keybase/Keybase/5.4.2.1.yaml b/manifests/Keybase/Keybase/5.4.2.1.yaml
new file mode 100644
index 000000000..78e12a609
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+++ b/manifests/Keybase/Keybase/5.4.2.1.yaml
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+Id: Keybase.Keybase
+Version: 5.4.2.1
+Name: Keybase
+Publisher: Keybase, Inc.
+License: BSD 3-Clause
+LicenseUrl: https://github.com/keybase/client/blob/master/LICENSE
+AppMoniker: keybase
+Tags: gpg
+Description: End-to-end encryption for things that matter. Keybase is secure messaging and file-sharing.
+Homepage: https://keybase.io
+Installers:
+  - Arch: x64
+    Url: https://prerelease.keybase.io/keybase_setup_amd64.msi
+    Sha256: F1C74CBCC82ABF3743A7334575616F3CC724ADBCD12C44DA9A235E43E060BE92
+    InstallerType: msi
+    Switches:
+      Silent: /quiet
+      SilentWithProgress: /quiet
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