diff --git a/README.md b/README.md
index 7538e51687ed..6a474f990c83 100644
--- a/README.md
+++ b/README.md
@@ -46,7 +46,7 @@ gpg --verify SHA256SUMS-*.asc SHA256SUMS-*
 sha256sum -c SHA256SUMS-* --ignore-missing
 ```
 
-The signing key is `A47D 99B6 DB0D 715D 40C5 9A20 23AE 8A8E A7E2 4E38`.
+The signing key is `A47D 99B6 DB0D 715D 40C5 9A20 23AE 8A8E A7E2 4E38`. From `v26.06.9-blake2b.8` on, releases are signed by its subkey `1004 97C5 8727 107D 9B9D A0FA F160 CC14 F64F 8EF8`.
 
 For StartOS, the packaged build lives at [privkeyio/cln-startos](https://github.com/privkeyio/cln-startos).
 
diff --git a/SECURITY.md b/SECURITY.md
index 888ad5fad349..dd7e32ea1e55 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -45,7 +45,7 @@ kyew0MAIis6DCtVkNduBlBYA
 
 ## Signatures For Releases
 
-Releases are signed with `A47D 99B6 DB0D 715D 40C5 9A20 23AE 8A8E A7E2 4E38` (Kyle Santiago, `kyle@privkey.io`), attached to each release as `privkeyio-signing-key.asc`. Verify a download with:
+Releases are signed with `A47D 99B6 DB0D 715D 40C5 9A20 23AE 8A8E A7E2 4E38` (Kyle Santiago, `kyle@privkey.io`), from `v26.06.9-blake2b.8` on by its signing subkey `1004 97C5 8727 107D 9B9D A0FA F160 CC14 F64F 8EF8`. The key is attached to each release as `privkeyio-signing-key.asc`. Verify a download with:
 
 ```
 gpg --import privkeyio-signing-key.asc
diff --git a/contrib/keys/privkeyio.txt b/contrib/keys/privkeyio.txt
index 208197c25c23..45f9aa37ad34 100644
--- a/contrib/keys/privkeyio.txt
+++ b/contrib/keys/privkeyio.txt
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 -----END PGP PUBLIC KEY BLOCK-----
diff --git a/doc/contribute-to-core-lightning/security-policy.md b/doc/contribute-to-core-lightning/security-policy.md
index 4e1202db846a..6e0d28d3837c 100644
--- a/doc/contribute-to-core-lightning/security-policy.md
+++ b/doc/contribute-to-core-lightning/security-policy.md
@@ -51,7 +51,7 @@ kyew0MAIis6DCtVkNduBlBYA
 
 ## Signatures For Releases
 
-Releases are signed with `A47D 99B6 DB0D 715D 40C5 9A20 23AE 8A8E A7E2 4E38` (Kyle Santiago, `kyle@privkey.io`), attached to each release as `privkeyio-signing-key.asc`. Verify a download with:
+Releases are signed with `A47D 99B6 DB0D 715D 40C5 9A20 23AE 8A8E A7E2 4E38` (Kyle Santiago, `kyle@privkey.io`), from `v26.06.9-blake2b.8` on by its signing subkey `1004 97C5 8727 107D 9B9D A0FA F160 CC14 F64F 8EF8`. The key is attached to each release as `privkeyio-signing-key.asc`. Verify a download with:
 
 ```
 gpg --import privkeyio-signing-key.asc