diff --git a/app/peerinfo/peerinfo_test.go b/app/peerinfo/peerinfo_test.go
index 3db32bd60..1210fcb8e 100644
--- a/app/peerinfo/peerinfo_test.go
+++ b/app/peerinfo/peerinfo_test.go
@@ -23,6 +23,12 @@ func TestPeerInfo(t *testing.T) {
 	now := time.Now()
 	const gitCommit = "1234567"
 
+	// when a major release happens, charon will only be compatible with a single version
+	versions := version.Supported()
+	if len(versions) < 2 {
+		versions = append(versions, versions...)
+	}
+
 	nodes := []struct {
 		Version  version.SemVer
 		LockHash []byte
@@ -30,15 +36,15 @@ func TestPeerInfo(t *testing.T) {
 		Ignore   bool
 	}{
 		{
-			Version:  version.Supported()[0],
+			Version:  versions[0],
 			LockHash: []byte("abcdef"),
 		},
 		{
-			Version:  version.Supported()[0],
+			Version:  versions[0],
 			LockHash: []byte("abcdef"),
 		},
 		{
-			Version:  version.Supported()[1],
+			Version:  versions[1],
 			LockHash: []byte("000000"),
 			Offset:   time.Minute,
 		},
diff --git a/app/version/version.go b/app/version/version.go
index ebe21f0a0..8004579c8 100644
--- a/app/version/version.go
+++ b/app/version/version.go
@@ -15,7 +15,7 @@ import (
 )
 
 // version a string since it is overwritten at build-time with the git tag for official releases.
-var version = "v0.20-dev"
+var version = "v1.0-dev"
 
 // Version is the branch version of the codebase.
 //   - Main branch: v0.X-dev
@@ -25,9 +25,7 @@ var Version, _ = Parse(version) // Error is caught in tests.
 // Supported returns the supported minor versions in order of precedence.
 func Supported() []SemVer {
 	return []SemVer{
-		// Current minor version always goes first.
-		{major: 0, minor: 20},
-		{major: 0, minor: 19},
+		{major: 1, minor: 0},
 	}
 }
 
diff --git a/app/version/version_test.go b/app/version/version_test.go
index 614dbf209..e95a5a693 100644
--- a/app/version/version_test.go
+++ b/app/version/version_test.go
@@ -85,5 +85,5 @@ func TestSupportedAreminors(t *testing.T) {
 }
 
 func TestMultiSupported(t *testing.T) {
-	require.True(t, len(version.Supported()) > 1)
+	require.GreaterOrEqual(t, len(version.Supported()), 1)
 }