diff --git a/pkg/semver/semver.go b/pkg/semver/semver.go
index 089fb138..c8bb9237 100644
--- a/pkg/semver/semver.go
+++ b/pkg/semver/semver.go
@@ -23,16 +23,15 @@ const (
 	alpha NonFinalVersion = iota + 1
 	beta
 	canary
-	edge
 	rc
 	test
 )
 
 var (
 	// According to https://semver.org/#spec-item-11
-	semverMatcher = regexp.MustCompile(`(?i)^([a-zA-Z-]*)([0-9]+)\.([0-9]+)(?:\.([0-9]+))?(-[a-zA-Z0-9.]+)?(?:\+[a-zA-Z0-9.]+)?$`)
+	semverMatcher = regexp.MustCompile(`(?i)^[a-zA-Z]*([0-9]+)\.([0-9]+)(?:\.([0-9]+))?(-[a-zA-Z0-9.]+)?(?:\+[a-zA-Z0-9.]+)?$`)
 
-	nonFinalVersions = []string{"alpha", "beta", "canary", "edge", "rc", "test"}
+	nonFinalVersions = []string{"alpha", "beta", "canary", "rc", "test"}
 
 	// NoneVersion is the empty semver
 	NoneVersion = Version{}
@@ -102,20 +101,20 @@ func Parse(version string) (Version, error) {
 	}
 	var err error
 
-	semver.major, err = strconv.ParseUint(matches[2], 10, 64)
+	semver.major, err = strconv.ParseUint(matches[1], 10, 64)
 	if err != nil {
 		return NoneVersion, fmt.Errorf("version major is not numeric")
 	}
 
-	if len(matches[3]) != 0 {
-		semver.minor, err = strconv.ParseUint(matches[3], 10, 64)
+	if len(matches[2]) != 0 {
+		semver.minor, err = strconv.ParseUint(matches[2], 10, 64)
 		if err != nil {
 			return NoneVersion, fmt.Errorf("version minor is not numeric")
 		}
 	}
 
-	if len(matches[4]) != 0 {
-		semver.patch, err = strconv.ParseUint(matches[4], 10, 64)
+	if len(matches[3]) != 0 {
+		semver.patch, err = strconv.ParseUint(matches[3], 10, 64)
 		if err != nil {
 			return NoneVersion, fmt.Errorf("version patch is not numeric")
 		}
@@ -125,16 +124,12 @@ func Parse(version string) (Version, error) {
 }
 
 func parseNonFinalVersion(matches []string) NonFinalVersion {
-	if len(matches[1]) <= 1 && len(matches[5]) == 0 {
+	if len(matches[4]) == 0 {
 		return -1
 	}
 
 	for index, nonFinalVersion := range nonFinalVersions {
-		if strings.Contains(matches[1], nonFinalVersion) {
-			return NonFinalVersion(index + 1)
-		}
-
-		if len(matches[5]) != 0 && strings.Contains(matches[5], nonFinalVersion) {
+		if strings.Contains(matches[4], nonFinalVersion) {
 			return NonFinalVersion(index + 1)
 		}
 	}
diff --git a/pkg/semver/semver_test.go b/pkg/semver/semver_test.go
index 6a596e84..81d2033a 100644
--- a/pkg/semver/semver_test.go
+++ b/pkg/semver/semver_test.go
@@ -194,16 +194,8 @@ func TestParse(t *testing.T) {
 			args{
 				version: "stable-2.10.1",
 			},
-			Version{"stable-2.10.1", 2, 10, 1, 0},
-			nil,
-		},
-		{
-			"edge version",
-			args{
-				version: "edge-2.10.1",
-			},
-			Version{"edge-2.10.1", 2, 10, 1, edge},
-			nil,
+			NoneVersion,
+			errors.New("unable to parse version"),
 		},
 		{
 			"flag rc version",