diff --git a/_service b/_service
index 9d15d41..d91289b 100644
--- a/_service
+++ b/_service
@@ -4,7 +4,7 @@
     <param name="url">https://github.com/pop-os/cosmic-bg.git</param>
     <param name="scm">git</param>
     <param name="revision">@PARENT_TAG@</param>
-    <param name="versionformat">1.0.0.a1</param>
+    <param name="versionformat">1.0.0~alpha1</param>
     <param name="package-meta">yes</param>
   </service>
   <service name="recompress" mode="manual">
diff --git a/cosmic-bg-1.0.0.a1.tar.zst b/cosmic-bg-1.0.0.a1.tar.zst
deleted file mode 100644
index 2f4feba..0000000
--- a/cosmic-bg-1.0.0.a1.tar.zst
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:80f231fab73d886394d92de140ef6d84429b292356febef11fcfa3203a9328b7
-size 157111
diff --git a/cosmic-bg-1.0.0~alpha1.tar.zst b/cosmic-bg-1.0.0~alpha1.tar.zst
new file mode 100644
index 0000000..cc2f987
--- /dev/null
+++ b/cosmic-bg-1.0.0~alpha1.tar.zst
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:af4f3ec3c98999fc3449e1eea1427656f9b2d40f159b75b33292eacd02ed4b13
+size 156998
diff --git a/cosmic-bg.spec b/cosmic-bg.spec
index 9e9ea19..9d58ec7 100644
--- a/cosmic-bg.spec
+++ b/cosmic-bg.spec
@@ -18,7 +18,7 @@
 
 %define         appname com.system76.CosmicBackground
 Name:           cosmic-bg
-Version:        1.0.0.a1
+Version:        1.0.0~alpha1
 Release:        0
 Summary:        COSMIC service for backgrounds
 License:        MPL-2.0