diff --git a/lib/versioning/maven/compare.js b/lib/versioning/maven/compare.js
index e5efe85802570d22a2a8aeb06cae52e4ec4483b0..9f1cee64532d744707a96f80a0f4ce44361f6757 100644
--- a/lib/versioning/maven/compare.js
+++ b/lib/versioning/maven/compare.js
@@ -215,7 +215,7 @@ function compare(left, right) {
   return 0;
 }
 
-function isSingleVersion(version) {
+function isVersion(version) {
   // istanbul ignore if
   if (!version) return false;
   if (!/^[a-z0-9.-]+$/i.test(version)) return false;
@@ -225,11 +225,11 @@ function isSingleVersion(version) {
   return !!tokens.length;
 }
 
-function isVersion(str) {
+function isValid(str) {
   if (!str) {
     return false;
   }
-  return isSingleVersion(str) || !!parseRange(str);
+  return isVersion(str) || !!parseRange(str);
 }
 
 const INCLUDING_POINT = 'INCLUDING_POINT';
@@ -423,8 +423,9 @@ module.exports = {
   tokenize,
   isSubversion,
   compare,
-  isSingleVersion,
   isVersion,
+  isSingleVersion: isVersion,
+  isValid,
   parseRange,
   rangeToStr,
   INCLUDING_POINT,
diff --git a/lib/versioning/maven/index.js b/lib/versioning/maven/index.js
index 6d09c121b4e5012cf35b68cd8e8055f63cbc8a0f..f34f5fd2887de4b5a43d6b22df36b737ce4f16ab 100644
--- a/lib/versioning/maven/index.js
+++ b/lib/versioning/maven/index.js
@@ -1,5 +1,6 @@
 const {
   isVersion,
+  isValid,
   tokenize,
   compare,
   TYPE_NUMBER,
@@ -14,7 +15,7 @@ const equals = (a, b) => compare(a, b) === 0;
 
 function matches(a, b) {
   if (!b) return false;
-  if (isSingleVersion(b)) return equals(a, b);
+  if (isVersion(b)) return equals(a, b);
   const ranges = parseRange(b);
   if (!ranges) return false;
   return ranges.reduce((result, range) => {
@@ -44,7 +45,7 @@ function matches(a, b) {
 }
 
 const getMajor = version => {
-  if (isSingleVersion(version)) {
+  if (isVersion(version)) {
     const tokens = tokenize(version);
     const majorToken = tokens[0];
     return majorToken.val;
@@ -53,7 +54,7 @@ const getMajor = version => {
 };
 
 const getMinor = version => {
-  if (isSingleVersion(version)) {
+  if (isVersion(version)) {
     const tokens = tokenize(version);
     const minorToken = tokens[1];
     if (minorToken && minorToken.type === TYPE_NUMBER) {
@@ -65,7 +66,7 @@ const getMinor = version => {
 };
 
 const getPatch = version => {
-  if (isSingleVersion(version)) {
+  if (isVersion(version)) {
     const tokens = tokenize(version);
     const minorToken = tokens[1];
     const patchToken = tokens[2];
@@ -84,7 +85,7 @@ const getPatch = version => {
 const isGreaterThan = (a, b) => compare(a, b) === 1;
 
 const isStable = version => {
-  if (isSingleVersion(version)) {
+  if (isVersion(version)) {
     const tokens = tokenize(version);
     const qualToken = tokens.find(token => token.type === TYPE_QUALIFIER);
     if (qualToken) {
@@ -102,10 +103,10 @@ const isStable = version => {
 };
 
 const maxSatisfyingVersion = (versions, range) =>
-  versions.find(version => equals(version, range));
+  versions.find(version => matches(version, range));
 
 function getNewValue(currentValue, rangeStrategy, fromVersion, toVersion) {
-  return isSingleVersion(currentValue)
+  return isVersion(currentValue)
     ? toVersion
     : autoExtendMavenRange(currentValue, toVersion);
 }
@@ -119,7 +120,7 @@ module.exports = {
   isGreaterThan,
   isSingleVersion,
   isStable,
-  isValid: isVersion,
+  isValid,
   isVersion,
   matches,
   maxSatisfyingVersion,
diff --git a/test/versioning/maven.spec.js b/test/versioning/maven.spec.js
index 4e7ee9438b6818f2e870a62c37470ac8b6062df9..7bb146d83bd894e7fe761c7a144a9600947ba2ca 100644
--- a/test/versioning/maven.spec.js
+++ b/test/versioning/maven.spec.js
@@ -5,6 +5,7 @@ const {
   autoExtendMavenRange,
 } = require('../../lib/versioning/maven/compare');
 const {
+  isValid,
   isVersion,
   isStable,
   getMajor,
@@ -239,6 +240,11 @@ describe('versioning/maven/compare', () => {
 });
 
 describe('versioning/maven/index', () => {
+  it('returns valid', () => {
+    expect(isValid('1.0.0')).toBe(true);
+    expect(isValid('[1.12.6,1.18.6]')).toBe(true);
+    expect(isValid()).toBe(false);
+  });
   it('validates version string', () => {
     expect(isVersion('')).toBe(false);
     expect(isVersion('1.0.0')).toBe(true);
@@ -253,6 +259,7 @@ describe('versioning/maven/index', () => {
     expect(isVersion('1.')).toBe(false);
     expect(isVersion('-1')).toBe(false);
     expect(isVersion('1-')).toBe(false);
+    expect(isVersion('[1.12.6,1.18.6]')).toBe(false);
   });
   it('checks if version is stable', () => {
     expect(isStable('')).toBeNull();