diff --git a/capsule/src/main/java/Capsule.java b/capsule/src/main/java/Capsule.java
index b0b099b7..5ccf5634 100644
--- a/capsule/src/main/java/Capsule.java
+++ b/capsule/src/main/java/Capsule.java
@@ -4335,7 +4335,7 @@ private static boolean equals(int[] a, int[] b, int n) {
         return true;
     }
 
-    private static final Pattern PAT_JAVA_VERSION = Pattern.compile("(?<major>\\d+)(\\.(?<minor>\\d+))?(?:\\.(?<patch>\\d+))?(_(?<update>\\d+))?(-(?<pre>[^-]+))?(-(?<build>.+))?");
+    private static final Pattern PAT_JAVA_VERSION = Pattern.compile("(?<major>\\d+)(\\.(?<minor>\\d+))?(?:\\.(?<patch>\\d+))?([_.](?<update>\\d+))?(-(?<pre>[^-]+))?(-(?<build>.+))?");
 
     // visible for testing
     static int[] parseJavaVersion(String v) {