diff --git a/_service b/_service
index 4327941..3fc52af 100644
--- a/_service
+++ b/_service
@@ -1,3 +1,5 @@
 <services>
-  <service name="go_modules" mode="manual" />
+  <service name="go_modules" mode="manual">
+    <param name="compression">zst</param>
+  </service>
 </services>
diff --git a/aerc.changes b/aerc.changes
index 65522b5..35d763b 100644
--- a/aerc.changes
+++ b/aerc.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Feb 16 10:51:06 UTC 2024 - Matej Cepl <mcepl@cepl.eu>
+
+- Switch from tar.gz to tar.zst
+
 -------------------------------------------------------------------
 Fri Feb 16 10:42:28 UTC 2024 - Matej Cepl <mcepl@cepl.eu>
 
diff --git a/aerc.spec b/aerc.spec
index e9366f7..1eef383 100644
--- a/aerc.spec
+++ b/aerc.spec
@@ -25,7 +25,7 @@ License:        MIT
 Group:          Productivity/Networking/Email/Clients
 URL:            https://aerc-mail.org/
 #!RemoteAssetUrl: git+https://git.cepl.eu/cgit/aerc#devel 
-Source0:        vendor.tar.gz
+Source0:        vendor.tar.zst
 BuildRequires:  gcc
 BuildRequires:  go
 BuildRequires:  make
diff --git a/vendor.tar.gz b/vendor.tar.gz
deleted file mode 100644
index 59107cd..0000000
--- a/vendor.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:14a69ecbe33b5cb2ef4ed674be4c1496e87493804b11f44c6aec0e69857edaac
-size 4345890
diff --git a/vendor.tar.zst b/vendor.tar.zst
new file mode 100644
index 0000000..30f08f2
--- /dev/null
+++ b/vendor.tar.zst
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:230399b711d69aa1a27ed7f996181d748c4e077f413a17983ba0df723c5a7564
+size 2457570