diff --git a/java-weka/tests/pom.xml b/java-weka/tests/pom.xml
index a2edb49..2a6ef04 100644
--- a/java-weka/tests/pom.xml
+++ b/java-weka/tests/pom.xml
@@ -22,7 +22,7 @@
     <jxr.plugin.version>2.5</jxr.plugin.version>
     <hadrian.version>0.8.5</hadrian.version>
     <junit.version>5.0.0</junit.version>
-    <postgres.version>9.4.1212.jre7</postgres.version>
+    <postgres.version>42.2.26.jre6</postgres.version>
     <mip.weka.version>0.2.6</mip.weka.version>
   </properties>