diff --git a/DESCRIPTION b/DESCRIPTION
index d9af486..da64c84 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: rCBA
 Title: CBA Classifier for R
-Version: 0.4.1
+Version: 0.4.2
 Authors@R: c(person("Jaroslav", "Kuchar", email = "jaroslav.kuchar@gmail.com", role = c("aut", "cre")),
              person("Tomas", "Kliegr", email="kliegr@gmail.com", role = c("ctb")))
 Author: Jaroslav Kuchar [aut, cre],
@@ -24,6 +24,6 @@ RoxygenNote: 6.0.1
 Collate: 'init.R' 'build.R' 'buildFPGrowth.R' 'classification.R'
         'fpgrowth.R' 'pruning.R' 'utils.R'
 NeedsCompilation: no
-Packaged: 2018-05-09 08:45:25 UTC; vagrant
+Packaged: 2018-05-16 19:56:11 UTC; vagrant
 Repository: CRAN
-Date/Publication: 2018-05-09 08:55:27 UTC
+Date/Publication: 2018-05-16 20:06:54 UTC
diff --git a/MD5 b/MD5
index 78f9eea..6f257dc 100644
--- a/MD5
+++ b/MD5
@@ -1,11 +1,11 @@
-b51c0c6cd49bc2a6ffec2279f2bacaed *DESCRIPTION
+bc14a20b417c9bbca2cc4b01720ba25d *DESCRIPTION
 6471b35750096a78e542e400fe5c0772 *NAMESPACE
-b8e536dc00c09817b2f72338dbf0bcc7 *NEWS
+ee83c2e52e7a356c1498981a731dd211 *NEWS
 83297d4f7cfffc05a935fcd4024df0d3 *R/build.R
 820f12f0cc8238abd988747cd0ac26dc *R/buildFPGrowth.R
 46c15ea077444ca6c6240724af8b55d0 *R/classification.R
 c1d522673ce558cd3a2c4f5f224cd2ab *R/fpgrowth.R
-cda62193dbbd51d46c2a8aeddf75789e *R/init.R
+d52e4bcf7347d8c2c41d1f10f047c8bb *R/init.R
 f3a7313f2294011dcc8f5ed3a80e6a70 *R/pruning.R
 9751da027373f016981144bfab2419f5 *R/utils.R
 1121f148e65ea22fc688b863e9304390 *inst/java/classes/cz/jkuchar/rcba/Application.class
diff --git a/NEWS b/NEWS
index cc4956c..45eb512 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,11 @@
+rCBA 0.4.2 (Release date: 2018-05-16)
+==============
+
+Changes:
+
+* Support for Java 9,10 - updated test for minimum Java version
+
+
 rCBA 0.4.1 (Release date: 2018-05-09)
 ==============
 
diff --git a/R/init.R b/R/init.R
index dccb06c..ec9a3e3 100644
--- a/R/init.R
+++ b/R/init.R
@@ -8,9 +8,9 @@
 .onLoad <- function(libname, pkgname ){
   .jinit()
   jv <- .jcall("java/lang/System", "S", "getProperty", "java.runtime.version")
-  if(substr(jv, 1L, 1L) == "1") {
+  if(substr(jv, 1L, 2L) == "1.") {
     jvn <- as.numeric(paste0(strsplit(jv, "[.]")[[1L]][1:2], collapse = "."))
-    if(jvn < 1.8) stop("Java 8 is needed for this package but not available")
+    if(jvn < 1.8) stop("Java >= 8 is needed for this package but not available")
   }
 }
 
@@ -18,9 +18,9 @@ init <- function(){
 	# initialize rJava
   .jinit()
   jv <- .jcall("java/lang/System", "S", "getProperty", "java.runtime.version")
-  if(substr(jv, 1L, 1L) == "1") {
+  if(substr(jv, 1L, 2L) == "1.") {
     jvn <- as.numeric(paste0(strsplit(jv, "[.]")[[1L]][1:2], collapse = "."))
-    if(jvn < 1.8) stop("Java 8 is needed for this package but not available")
+    if(jvn < 1.8) stop("Java >= 8 is needed for this package but not available")
   }
 	# add java implementation to classpath
 	.jaddClassPath(dir(paste(path.package("rCBA"), "/java/", sep=""), full.names=TRUE))