diff --git a/tests/client_tests/stock_jdbc/build.gradle b/tests/client_tests/stock_jdbc/build.gradle
index 1b9bd824..6839d806 100644
--- a/tests/client_tests/stock_jdbc/build.gradle
+++ b/tests/client_tests/stock_jdbc/build.gradle
@@ -9,7 +9,7 @@ repositories {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
-    testImplementation 'org.postgresql:postgresql:42.7.4'
+    testImplementation 'org.postgresql:postgresql:42.7.5'
     testImplementation 'org.hamcrest:hamcrest:2.1'
     testImplementation 'io.crate:crate-testing:0.11.1'
 }
diff --git a/tests/client_tests/stock_jdbc/src/test/java/stock_jdbc/JdbcMetaDataTest.java b/tests/client_tests/stock_jdbc/src/test/java/stock_jdbc/JdbcMetaDataTest.java
index 87e21d24..b610feae 100644
--- a/tests/client_tests/stock_jdbc/src/test/java/stock_jdbc/JdbcMetaDataTest.java
+++ b/tests/client_tests/stock_jdbc/src/test/java/stock_jdbc/JdbcMetaDataTest.java
@@ -147,7 +147,7 @@ public void test_getColumnPrivileges() throws Exception {
     @Test
     public void test_getColumns() throws Exception {
         try (var conn = DriverManager.getConnection(URL)) {
-            var results = conn.getMetaData().getColumns("", "sys", "summits", "");
+            var results = conn.getMetaData().getColumns(null, "sys", "summits", null);
             assertThat(results.next(), is(true));
             assertThat(results.getString(3), is("summits"));
             assertThat(results.getString(4), is("classification"));
@@ -225,7 +225,7 @@ public void test_getFunctionColumns() throws Exception {
     @Test
     public void test_getFunctions() throws Exception {
         try (var conn = DriverManager.getConnection(URL)) {
-            var results = conn.getMetaData().getFunctions("", "", "current_schema");
+            var results = conn.getMetaData().getFunctions(null, null, "current_schema");
             assertThat(results.next(), is(true));
         }
     }
@@ -552,7 +552,7 @@ public void test_getTableTypes() throws Exception {
     @Test
     public void test_getTables() throws Exception {
         try (var conn = DriverManager.getConnection(URL)) {
-            var results = conn.getMetaData().getTables(null, "sys", "", null);
+            var results = conn.getMetaData().getTables(null, "sys", null, null);
             assertThat(results.next(), is(true));
             assertThat(results.getString(3), is("allocations_pkey"));
         }