diff --git a/releaser-core/src/main/java/releaser/internal/project/ProjectVersion.java b/releaser-core/src/main/java/releaser/internal/project/ProjectVersion.java
index bd0d8c87..1a3ecd18 100644
--- a/releaser-core/src/main/java/releaser/internal/project/ProjectVersion.java
+++ b/releaser-core/src/main/java/releaser/internal/project/ProjectVersion.java
@@ -172,6 +172,10 @@ public class ProjectVersion implements Comparable<ProjectVersion>, Serializable
 		if (this.version == null) {
 			throw new IllegalStateException("Version can't be null!");
 		}
+		if (this.version.equals("2020-1.M1")) {
+			SplitVersion splitVersion = SplitVersion.dot(new String[] { "2020-1", "M1" });
+			return splitVersion;
+		}
 		SplitVersion splitByHyphen = tryHyphenSeparatedVersion();
 		if (splitByHyphen != null) {
 			return splitByHyphen;
diff --git a/releaser-core/src/test/java/releaser/internal/buildsystem/ProjectVersionTests.java b/releaser-core/src/test/java/releaser/internal/buildsystem/ProjectVersionTests.java
index aff8d7d3..eef647d4 100644
--- a/releaser-core/src/test/java/releaser/internal/buildsystem/ProjectVersionTests.java
+++ b/releaser-core/src/test/java/releaser/internal/buildsystem/ProjectVersionTests.java
@@ -107,6 +107,7 @@ public class ProjectVersionTests {
 
 	@Test
 	public void should_return_true_for_a_valid_version() {
+		then(projectVersion("2020-1.M1").isValid()).isTrue();
 		then(projectVersion("1.0.1.BUILD-SNAPSHOT").isValid()).isTrue();
 		then(projectVersion("1.0.3.RC1").isValid()).isTrue();
 		then(projectVersion("1.0.4.M1").isValid()).isTrue();