diff --git a/SECURITY.md b/SECURITY.md
index d42e153dcd92..58c54d2b215d 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -31,6 +31,7 @@ developers, and to validate signatures on releases:
 | Blockstream CLN Release | `cln@blockstream.com` | 616C 52F9 9D06 12B2 A151  B107 4129 A994 AA7E 9852 |
 | Sangbida Chaudhuri | `sangbidac@gmail.com` | 1A37 1C2C 3064 5FAA 91AA  6B7D B643 E612 8422 1961 |
 | Lagrang3 | `lagrang3@protonmail.com` | C491 5808 7820 7F03 C3B9 66F9 B408 8CD4 608A 7CA1 |
+| daywalker90 | `daywalker990@gmx.de` | 8A07 9421 A871 D0B1 0835 1193 7AB4 802E D5A6 39F3 |
 
 You can import a key by running the following command with that individual’s fingerprint:
 `gpg --keyserver hkps://keys.openpgp.org --recv-keys "<fingerprint>"`.
diff --git a/contrib/keys/daywalker90.txt b/contrib/keys/daywalker90.txt
new file mode 100644
index 000000000000..ca4e424b16b0
--- /dev/null
+++ b/contrib/keys/daywalker90.txt
@@ -0,0 +1,13 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+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SvPC
+-----END PGP PUBLIC KEY BLOCK-----