diff --git a/zpa-checks/src/integrationTest/resources/expected/oracle-database_19/ParsingErrorCheck.json b/zpa-checks/src/integrationTest/resources/expected/oracle-database_19/ParsingErrorCheck.json
index ff862183..c4564591 100644
--- a/zpa-checks/src/integrationTest/resources/expected/oracle-database_19/ParsingErrorCheck.json
+++ b/zpa-checks/src/integrationTest/resources/expected/oracle-database_19/ParsingErrorCheck.json
@@ -2153,9 +2153,6 @@
   "Interval-Expressions-0.sql" : [
     2
   ],
-  "JSON_OBJECTAGG-0.sql" : [
-    2
-  ],
   "JSON_TABLE-0.sql" : [
     5
   ],
diff --git a/zpa-core/src/main/kotlin/org/sonar/plugins/plsqlopen/api/AggregateSqlFunctionsGrammar.kt b/zpa-core/src/main/kotlin/org/sonar/plugins/plsqlopen/api/AggregateSqlFunctionsGrammar.kt
index 6ccda840..770a8762 100644
--- a/zpa-core/src/main/kotlin/org/sonar/plugins/plsqlopen/api/AggregateSqlFunctionsGrammar.kt
+++ b/zpa-core/src/main/kotlin/org/sonar/plugins/plsqlopen/api/AggregateSqlFunctionsGrammar.kt
@@ -32,6 +32,7 @@ enum class AggregateSqlFunctionsGrammar : GrammarRuleKey {
     XMLAGG_EXPRESSION,
     COLLECT_EXPRESSION,
     JSON_ARRAYAGG_EXPRESSION,
+    JSON_OBJECTAGG_EXPRESSION,
     AGGREGATE_SQL_FUNCTION;
 
     companion object {
@@ -69,12 +70,24 @@ enum class AggregateSqlFunctionsGrammar : GrammarRuleKey {
                 RPARENTHESIS
             )
 
+            b.rule(JSON_OBJECTAGG_EXPRESSION).define(
+                JSON_OBJECTAGG, LPARENTHESIS,
+                b.optional(KEY), EXPRESSION, VALUE, EXPRESSION,
+                b.optional(FORMAT, JSON),
+                b.optional(SingleRowSqlFunctionsGrammar.JSON_ON_NULL_CLAUSE),
+                b.optional(SingleRowSqlFunctionsGrammar.JSON_RETURNING_CLAUSE),
+                b.optional(STRICT),
+                b.optional(WITH, UNIQUE, KEYS),
+                RPARENTHESIS
+            )
+
             b.rule(AGGREGATE_SQL_FUNCTION).define(
                 b.firstOf(
                     LISTAGG_EXPRESSION,
                     XMLAGG_EXPRESSION,
                     COLLECT_EXPRESSION,
-                    JSON_ARRAYAGG_EXPRESSION
+                    JSON_ARRAYAGG_EXPRESSION,
+                    JSON_OBJECTAGG_EXPRESSION
                 )
             )
         }
diff --git a/zpa-core/src/main/kotlin/org/sonar/plugins/plsqlopen/api/PlSqlKeyword.kt b/zpa-core/src/main/kotlin/org/sonar/plugins/plsqlopen/api/PlSqlKeyword.kt
index 3cb104fa..16a4652e 100644
--- a/zpa-core/src/main/kotlin/org/sonar/plugins/plsqlopen/api/PlSqlKeyword.kt
+++ b/zpa-core/src/main/kotlin/org/sonar/plugins/plsqlopen/api/PlSqlKeyword.kt
@@ -280,6 +280,7 @@ enum class PlSqlKeyword(override val value: String, val isReserved: Boolean = fa
     JSON_ARRAYAGG("json_arrayagg"),
     JSON_MERGEPATCH("json_mergepatch"),
     JSON_OBJECT("json_object"),
+    JSON_OBJECTAGG("json_objectagg"),
     JSON_QUERY("json_query"),
     KEEP("keep"),
     KEY("key"),
diff --git a/zpa-core/src/test/kotlin/org/sonar/plugins/plsqlopen/api/expressions/JsonObjectAggExpressionTest.kt b/zpa-core/src/test/kotlin/org/sonar/plugins/plsqlopen/api/expressions/JsonObjectAggExpressionTest.kt
new file mode 100644
index 00000000..6042d42a
--- /dev/null
+++ b/zpa-core/src/test/kotlin/org/sonar/plugins/plsqlopen/api/expressions/JsonObjectAggExpressionTest.kt
@@ -0,0 +1,68 @@
+/**
+ * Z PL/SQL Analyzer
+ * Copyright (C) 2015-2024 Felipe Zorzo
+ * mailto:felipe AT felipezorzo DOT com DOT br
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+package org.sonar.plugins.plsqlopen.api.expressions
+
+import com.felipebz.flr.tests.Assertions.assertThat
+import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.Test
+import org.sonar.plugins.plsqlopen.api.PlSqlGrammar
+import org.sonar.plugins.plsqlopen.api.RuleTest
+
+class JsonObjectAggExpressionTest : RuleTest() {
+
+    @BeforeEach
+    fun init() {
+        setRootRule(PlSqlGrammar.EXPRESSION)
+    }
+
+    @Test
+    fun matchesSimpleJsonObjectAgg() {
+        assertThat(p).matches("json_objectagg(k value 'v')")
+    }
+
+    @Test
+    fun matchesJsonObjectAggWithExplicitKey() {
+        assertThat(p).matches("json_objectagg(key k value 'v')")
+    }
+
+    @Test
+    fun matchesJsonObjectAggWithFormatJson() {
+        assertThat(p).matches("json_objectagg('k' value '{}' format json)")
+    }
+
+    @Test
+    fun matchesJsonObjectAggWithReturning() {
+        assertThat(p).matches("json_objectagg(k value 'v' returning clob)")
+    }
+
+    @Test
+    fun matchesJsonObjectAggWithAbsentOnNull() {
+        assertThat(p).matches("json_objectagg('v' value val absent on null)")
+    }
+
+    @Test
+    fun matchesLongJsonObjectAgg() {
+        assertThat(p).matches("""json_objectagg('a' value '{}' format json
+            null on null
+            returning varchar2(200)
+            strict with unique keys)""")
+    }
+
+}