diff --git a/gromox-1.31.tar.asc b/gromox-1.31.tar.asc
new file mode 100644
index 0000000..9ba6db7
--- /dev/null
+++ b/gromox-1.31.tar.asc
@@ -0,0 +1,7 @@
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diff --git a/gromox-1.31.tar.zst.asc b/gromox-1.31.tar.zst.asc
deleted file mode 100644
index 25fe86e..0000000
--- a/gromox-1.31.tar.zst.asc
+++ /dev/null
@@ -1 +0,0 @@
-Not Found
\ No newline at end of file
diff --git a/gromox.spec b/gromox.spec
index 398fb6e..e57628b 100644
--- a/gromox.spec
+++ b/gromox.spec
@@ -26,7 +26,7 @@ License:        AGPL-3.0-or-later AND GPL-2.0-only AND GPL-3.0-or-later
 Group:          Productivity/Networking/Email/Servers
 URL:            https://grommunio.com/
 Source:         https://github.com/grommunio/gromox/releases/download/%name-%version/%name-%version.tar.zst
-Source2:        https://github.com/grommunio/gromox/releases/download/%name-%version/%name-%version.tar.zst.asc
+Source2:        https://github.com/grommunio/gromox/releases/download/%name-%version/%name-%version.tar.asc
 Source8:        %name.keyring
 BuildRequires:  automake >= 1.11
 BuildRequires:  fdupes