diff --git a/docs/release-notes.md b/docs/release-notes.md
index 5b5307bce..d9d47d4b2 100644
--- a/docs/release-notes.md
+++ b/docs/release-notes.md
@@ -9,6 +9,7 @@ nav_order: 8
 Major changes:
 
 - iso: Support kargs modification on s390x by using `kargs.json` if present
+- Add Fedora 40 signing key; drop Fedora 37 signing key
 
 Minor changes:
 
diff --git a/src/signing-keys.asc b/src/signing-keys.asc
index 1ba6ac97f..441388c0c 100644
--- a/src/signing-keys.asc
+++ b/src/signing-keys.asc
@@ -29,37 +29,6 @@ dzdA27UUYjWvx42w9menJwh/0jeQcTecIUd0d0rFcw/c1pvgMMl/Q73yzKgKYw==
 =zbHE
 -----END PGP PUBLIC KEY BLOCK-----
 
------BEGIN PGP PUBLIC KEY BLOCK-----
-Comment: RPM-GPG-KEY-fedora-37-primary
-
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------END PGP PUBLIC KEY BLOCK-----
-
 -----BEGIN PGP PUBLIC KEY BLOCK-----
 Comment: RPM-GPG-KEY-fedora-38-primary
 
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 X55M9nDtzUSayJuEcfFP2c9KQCE=
 =J4qZ
 -----END PGP PUBLIC KEY BLOCK-----
+
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Comment: RPM-GPG-KEY-fedora-40-primary
+
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+-----END PGP PUBLIC KEY BLOCK-----
\ No newline at end of file