diff --git a/.github/renovate-earthly.json5 b/.github/renovate-earthly.json5
index 20f830b27..78ff548ad 100644
--- a/.github/renovate-earthly.json5
+++ b/.github/renovate-earthly.json5
@@ -68,7 +68,9 @@
         'go',
       ],
       matchBaseBranches: [
-        '/^release-.*/',
+        // Release 2.1 and older use earthly.
+        '/^release-1\..*/',
+        '/^release-2\.[0-1]$/',
       ],
       postUpgradeTasks: {
         commands: [
@@ -86,7 +88,9 @@
         'golangci/golangci-lint',
       ],
       matchBaseBranches: [
-        '/^release-.*/',
+        // Release 2.1 and older use earthly.
+        '/^release-1\..*/',
+        '/^release-2\.[0-1]$/',
       ],
       postUpgradeTasks: {
         commands: [
diff --git a/.github/renovate-nix.json5 b/.github/renovate-nix.json5
index 07b49c8b5..124b92cec 100644
--- a/.github/renovate-nix.json5
+++ b/.github/renovate-nix.json5
@@ -24,6 +24,8 @@
       ],
       matchBaseBranches: [
         'main',
+        // Release 2.2 and newer use nix.
+        '/'^release-2\.([2-9]|..+)$/',
       ],
       postUpgradeTasks: {
         commands: [
@@ -43,6 +45,8 @@
       ],
       matchBaseBranches: [
         'main',
+        // Release 2.2 and newer use nix.
+        '/'^release-2\.([2-9]|..+)$/',
       ],
       postUpgradeTasks: {
         commands: [