diff --git a/ivy/src/test/scala/CrossVersionTest.scala b/ivy/src/test/scala/CrossVersionTest.scala
index 0e0e7ed9d..984e55b85 100644
--- a/ivy/src/test/scala/CrossVersionTest.scala
+++ b/ivy/src/test/scala/CrossVersionTest.scala
@@ -118,6 +118,9 @@ object CrossVersionTest extends Specification {
     "return binary Scala version for 2.10.1 as 2.10" in {
       CrossVersion.binaryScalaVersion("2.10.1") must_== "2.10"
     }
+    "return binary Scala version for 2.20170314093845.0-87654321 as 2.20170314093845.0-87654321" in {
+      CrossVersion.binaryScalaVersion("2.20170314093845.0-87654321") must_== "2.20170314093845.0-87654321"
+    }
 
     "return patch Scala version for 2.11.8 as 2.11.8" in {
       CrossVersion(CrossVersion.patch, "2.11.8", "dummy").map(_("artefact")) must_== Some("artefact_2.11.8")
diff --git a/notes/0.13.14.markdown b/notes/0.13.14.markdown
index bddaeed3a..2d5df5bed 100644
--- a/notes/0.13.14.markdown
+++ b/notes/0.13.14.markdown
@@ -26,6 +26,7 @@
 - Fixes script mode ignoring quotation. [#2551][2551] by [@ekrich][@ekrich]
 - Fixes IllegalStateException that Ivy gets into sometimes. [#2827][2827]/[#2015][2015] by [@eed3si9n][@eed3si9n]
 - Fixes null sourceFile causing NPE. [#2766][2766] by [@avdv][@avdv]
+- Fixes version parsing in validation. [#3011][3011] by [@eed3si9n][@eed3si9n]
 
 ### Maven version range improvement
 
@@ -84,6 +85,7 @@ Special thanks to the contributors for making this release a success. According
   [2902]: https://github.com/sbt/sbt/pull/2902
   [2993]: https://github.com/sbt/sbt/pull/2993
   [2943]: https://github.com/sbt/sbt/pull/2943
+  [3011]: https://github.com/sbt/sbt/issues/3011
   [@eed3si9n]: https://github.com/eed3si9n
   [@dwijnand]: https://github.com/dwijnand
   [@Duhemm]: https://github.com/Duhemm
diff --git a/util/cross/src/main/input_sources/CrossVersionUtil.scala b/util/cross/src/main/input_sources/CrossVersionUtil.scala
index 6a63c9139..5bf0359d4 100644
--- a/util/cross/src/main/input_sources/CrossVersionUtil.scala
+++ b/util/cross/src/main/input_sources/CrossVersionUtil.scala
@@ -15,6 +15,9 @@ object CrossVersionUtil
 	def isDisabled(s: String): Boolean = (s == falseString) || (s == noneString) || (s == disabledString)
 	def isBinary(s: String): Boolean = (s == binaryString)
 
+	private lazy val intPattern = """\d{1,10}"""
+	private lazy val basicVersion = """(""" + intPattern + """)\.(""" + intPattern + """)\.(""" + intPattern + """)"""
+
 	private[${{cross.package0}}] def isSbtApiCompatible(v: String): Boolean = sbtApiVersion(v).isDefined
 	/** Returns sbt binary interface x.y API compatible with the given version string v. 
 	 * RCs for x.y.0 are considered API compatible.
@@ -22,9 +25,9 @@ object CrossVersionUtil
 	 */
 	private[${{cross.package0}}] def sbtApiVersion(v: String): Option[(Int, Int)] =
 	{
-		val ReleaseV = """(\d+)\.(\d+)\.(\d+)(-\d+)?""".r
-		val CandidateV = """(\d+)\.(\d+)\.(\d+)(-RC\d+)""".r
-		val NonReleaseV = """(\d+)\.(\d+)\.(\d+)([-\w+]*)""".r		
+		val ReleaseV = (basicVersion + """(-\d+)?""").r
+		val CandidateV = (basicVersion + """(-RC\d+)""").r
+		val NonReleaseV = (basicVersion + """([-\w+]*)""").r
 		v match {
 			case ReleaseV(x, y, z, ht)    => Some((x.toInt, y.toInt))
 			case CandidateV(x, y, z, ht)  => Some((x.toInt, y.toInt))
@@ -38,9 +41,9 @@ object CrossVersionUtil
 	 */
 	private[${{cross.package0}}] def scalaApiVersion(v: String): Option[(Int, Int)] =
 	{
-		val ReleaseV = """(\d+)\.(\d+)\.(\d+)(-\d+)?""".r
-		val BinCompatV = """(\d+)\.(\d+)\.(\d+)-bin(-.*)?""".r
-		val NonReleaseV = """(\d+)\.(\d+)\.(\d+)(-\w+)""".r
+		val ReleaseV = (basicVersion + """(-\d+)?""").r
+		val BinCompatV = (basicVersion + """-bin(-.*)?""").r
+		val NonReleaseV = (basicVersion + """(-\w+)""").r
 		v match {
 			case ReleaseV(x, y, z, ht)    => Some((x.toInt, y.toInt))
 			case BinCompatV(x, y, z, ht)    => Some((x.toInt, y.toInt))
@@ -48,8 +51,8 @@ object CrossVersionUtil
 			case _ => None
 		}
 	}
-	private[${{cross.package0}}] val PartialVersion = """(\d+)\.(\d+)(?:\..+)?""".r
-	private[${{cross.package0}}] def partialVersion(s: String): Option[(Int,Int)] =
+	private[${{cross.package0}}] val PartialVersion = ("""(""" + intPattern + """)\.(""" + intPattern + """)(?:\..+)?""").r
+	private[${{cross.package0}}] def partialVersion(s: String): Option[(Int, Int)] =
 		s match {
 			case PartialVersion(major, minor) => Some((major.toInt, minor.toInt))
 			case _ => None
@@ -59,7 +62,7 @@ object CrossVersionUtil
 	private[${{cross.package0}}] def binaryVersion(full: String, cutoff: String): String = binaryVersionWithApi(full, cutoff)(scalaApiVersion)
 	private[this] def isNewer(major: Int, minor: Int, minMajor: Int, minMinor: Int): Boolean =
 		major > minMajor || (major == minMajor && minor >= minMinor)
-	private[this] def binaryVersionWithApi(full: String, cutoff: String)(apiVersion: String => Option[(Int,Int)]): String =
+	private[this] def binaryVersionWithApi(full: String, cutoff: String)(apiVersion: String => Option[(Int, Int)]): String =
 	{
 		def sub(major: Int, minor: Int) = major + "." + minor
 		(apiVersion(full), partialVersion(cutoff)) match {