diff --git a/inst/java/error_prone_annotations-2.27.0.jar b/inst/java/error_prone_annotations-2.27.0.jar
new file mode 100644
index 0000000..4ea471f
Binary files /dev/null and b/inst/java/error_prone_annotations-2.27.0.jar differ
diff --git a/inst/java/gson-2.10.1.jar b/inst/java/gson-2.10.1.jar
deleted file mode 100644
index a88c5bd..0000000
Binary files a/inst/java/gson-2.10.1.jar and /dev/null differ
diff --git a/inst/java/gson-2.11.0.jar b/inst/java/gson-2.11.0.jar
new file mode 100644
index 0000000..18e59c8
Binary files /dev/null and b/inst/java/gson-2.11.0.jar differ
diff --git a/inst/java/guava-33.0.0-jre-minified.jar b/inst/java/guava-33.2.1-jre-minified.jar
similarity index 55%
rename from inst/java/guava-33.0.0-jre-minified.jar
rename to inst/java/guava-33.2.1-jre-minified.jar
index caf37a5..e00004e 100644
Binary files a/inst/java/guava-33.0.0-jre-minified.jar and b/inst/java/guava-33.2.1-jre-minified.jar differ
diff --git a/inst/java/jackson-annotations-2.13.3.jar b/inst/java/jackson-annotations-2.13.3.jar
deleted file mode 100644
index 60a3ddb..0000000
Binary files a/inst/java/jackson-annotations-2.13.3.jar and /dev/null differ
diff --git a/inst/java/jackson-annotations-2.17.1.jar b/inst/java/jackson-annotations-2.17.1.jar
new file mode 100644
index 0000000..0750fbf
Binary files /dev/null and b/inst/java/jackson-annotations-2.17.1.jar differ
diff --git a/inst/java/pmml-converter-1.5.6.jar b/inst/java/pmml-converter-1.5.7.jar
similarity index 68%
rename from inst/java/pmml-converter-1.5.6.jar
rename to inst/java/pmml-converter-1.5.7.jar
index 3fd9e1e..725dcdd 100644
Binary files a/inst/java/pmml-converter-1.5.6.jar and b/inst/java/pmml-converter-1.5.7.jar differ
diff --git a/inst/java/pmml-model-1.6.4.jar b/inst/java/pmml-model-1.6.5.jar
similarity index 72%
rename from inst/java/pmml-model-1.6.4.jar
rename to inst/java/pmml-model-1.6.5.jar
index 0ea08f4..2c4c2ce 100644
Binary files a/inst/java/pmml-model-1.6.4.jar and b/inst/java/pmml-model-1.6.5.jar differ
diff --git a/inst/java/pmml-model-metro-1.6.4.jar b/inst/java/pmml-model-metro-1.6.4.jar
deleted file mode 100644
index 6b96d95..0000000
Binary files a/inst/java/pmml-model-metro-1.6.4.jar and /dev/null differ
diff --git a/inst/java/pmml-model-metro-1.6.5.jar b/inst/java/pmml-model-metro-1.6.5.jar
new file mode 100644
index 0000000..e4d8a31
Binary files /dev/null and b/inst/java/pmml-model-metro-1.6.5.jar differ
diff --git a/inst/java/pmml-rexp-1.5.5.jar b/inst/java/pmml-rexp-1.5.6.jar
similarity index 82%
rename from inst/java/pmml-rexp-1.5.5.jar
rename to inst/java/pmml-rexp-1.5.6.jar
index d24bd82..ab7841c 100644
Binary files a/inst/java/pmml-rexp-1.5.5.jar and b/inst/java/pmml-rexp-1.5.6.jar differ
diff --git a/inst/java/pmml-rexp-xgboost-1.5.5.jar b/inst/java/pmml-rexp-xgboost-1.5.5.jar
deleted file mode 100644
index 144c4b9..0000000
Binary files a/inst/java/pmml-rexp-xgboost-1.5.5.jar and /dev/null differ
diff --git a/inst/java/pmml-rexp-xgboost-1.5.6.jar b/inst/java/pmml-rexp-xgboost-1.5.6.jar
new file mode 100644
index 0000000..13634da
Binary files /dev/null and b/inst/java/pmml-rexp-xgboost-1.5.6.jar differ
diff --git a/inst/java/pmml-xgboost-1.8.5.jar b/inst/java/pmml-xgboost-1.8.6.jar
similarity index 72%
rename from inst/java/pmml-xgboost-1.8.5.jar
rename to inst/java/pmml-xgboost-1.8.6.jar
index 39a0cf3..c92db91 100644
Binary files a/inst/java/pmml-xgboost-1.8.5.jar and b/inst/java/pmml-xgboost-1.8.6.jar differ
diff --git a/inst/java/r2pmml-1.0-SNAPSHOT.jar b/inst/java/r2pmml-1.0-SNAPSHOT.jar
index ad65f1f..e53d19e 100644
Binary files a/inst/java/r2pmml-1.0-SNAPSHOT.jar and b/inst/java/r2pmml-1.0-SNAPSHOT.jar differ
diff --git a/java/pmml-converter-1.5.6-sources.jar b/java/pmml-converter-1.5.7-sources.jar
similarity index 84%
rename from java/pmml-converter-1.5.6-sources.jar
rename to java/pmml-converter-1.5.7-sources.jar
index 30ca97d..8e5021e 100644
Binary files a/java/pmml-converter-1.5.6-sources.jar and b/java/pmml-converter-1.5.7-sources.jar differ
diff --git a/java/pmml-rexp-1.5.5-sources.jar b/java/pmml-rexp-1.5.6-sources.jar
similarity index 82%
rename from java/pmml-rexp-1.5.5-sources.jar
rename to java/pmml-rexp-1.5.6-sources.jar
index 5f70117..310ac58 100644
Binary files a/java/pmml-rexp-1.5.5-sources.jar and b/java/pmml-rexp-1.5.6-sources.jar differ
diff --git a/java/pmml-rexp-xgboost-1.5.5-sources.jar b/java/pmml-rexp-xgboost-1.5.6-sources.jar
similarity index 59%
rename from java/pmml-rexp-xgboost-1.5.5-sources.jar
rename to java/pmml-rexp-xgboost-1.5.6-sources.jar
index bab616b..19f53ac 100644
Binary files a/java/pmml-rexp-xgboost-1.5.5-sources.jar and b/java/pmml-rexp-xgboost-1.5.6-sources.jar differ
diff --git a/java/pmml-xgboost-1.8.5-sources.jar b/java/pmml-xgboost-1.8.6-sources.jar
similarity index 82%
rename from java/pmml-xgboost-1.8.5-sources.jar
rename to java/pmml-xgboost-1.8.6-sources.jar
index 9fbc66f..462df5e 100644
Binary files a/java/pmml-xgboost-1.8.5-sources.jar and b/java/pmml-xgboost-1.8.6-sources.jar differ
diff --git a/pom.xml b/pom.xml
index 01ca4b0..d51ff9e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -33,7 +33,7 @@
- 1.5.5
+ 1.5.6
@@ -84,7 +84,7 @@