diff --git a/hypertrace-core-graphql-common-schema/src/main/java/org/hypertrace/core/graphql/common/schema/typefunctions/DateTimeScalar.java b/hypertrace-core-graphql-common-schema/src/main/java/org/hypertrace/core/graphql/common/schema/typefunctions/DateTimeScalar.java
index c3429f8d..3b60ebaf 100644
--- a/hypertrace-core-graphql-common-schema/src/main/java/org/hypertrace/core/graphql/common/schema/typefunctions/DateTimeScalar.java
+++ b/hypertrace-core-graphql-common-schema/src/main/java/org/hypertrace/core/graphql/common/schema/typefunctions/DateTimeScalar.java
@@ -12,6 +12,7 @@
 import java.lang.reflect.AnnotatedType;
 import java.time.DateTimeException;
 import java.time.Instant;
+import java.time.OffsetDateTime;
 import java.time.temporal.TemporalAccessor;
 import java.util.function.Function;
 
@@ -45,10 +46,10 @@ private <E extends GraphqlErrorException> Instant toInstant(
                       return Instant.from((TemporalAccessor) instantInput);
                     }
                     if (instantInput instanceof CharSequence) {
-                      return Instant.parse((CharSequence) instantInput);
+                      return parse((CharSequence) instantInput);
                     }
                     if (instantInput instanceof StringValue) {
-                      return Instant.parse(((StringValue) instantInput).getValue());
+                      return parse(((StringValue) instantInput).getValue());
                     }
                   } catch (DateTimeException exception) {
                     throw errorWrapper.apply(exception);
@@ -75,4 +76,8 @@ public GraphQLScalarType buildType(
       ProcessingElementsContainer container) {
     return DATE_TIME_SCALAR;
   }
+
+  private static Instant parse(CharSequence charSequence) {
+    return OffsetDateTime.parse(charSequence).toInstant();
+  }
 }
diff --git a/hypertrace-core-graphql-common-schema/src/test/java/org/hypertrace/core/graphql/common/schema/scalars/DateTimeScalarTest.java b/hypertrace-core-graphql-common-schema/src/test/java/org/hypertrace/core/graphql/common/schema/scalars/DateTimeScalarTest.java
index 5f5953c5..e78f5e7c 100644
--- a/hypertrace-core-graphql-common-schema/src/test/java/org/hypertrace/core/graphql/common/schema/scalars/DateTimeScalarTest.java
+++ b/hypertrace-core-graphql-common-schema/src/test/java/org/hypertrace/core/graphql/common/schema/scalars/DateTimeScalarTest.java
@@ -19,8 +19,9 @@
 @ExtendWith(MockitoExtension.class)
 class DateTimeScalarTest {
 
-  private static final String TEST_DATE_TIME_STRING = "2019-10-29T21:30:12.871Z";
-  private static final Instant TEST_DATE_TIME_INSTANT = Instant.parse(TEST_DATE_TIME_STRING);
+  private static final String TEST_UTC_DATE_TIME_STRING = "2019-10-29T21:30:12.871Z";
+  private static final String TEST_ZONED_DATE_TIME_STRING = "2019-10-30T03:00:12.871+05:30";
+  private static final Instant TEST_DATE_TIME_INSTANT = Instant.parse(TEST_UTC_DATE_TIME_STRING);
   private DateTimeScalar dateTimeFunction;
   private GraphQLScalarType dateTimeType;
   @Mock AnnotatedType mockAnnotatedType;
@@ -45,18 +46,24 @@ void canDetermineIfConvertible() {
   @Test
   void canConvertFromLiteral() {
     assertEquals(
-        TEST_DATE_TIME_INSTANT, dateTimeType.getCoercing().parseLiteral(TEST_DATE_TIME_STRING));
+        TEST_DATE_TIME_INSTANT, dateTimeType.getCoercing().parseLiteral(TEST_UTC_DATE_TIME_STRING));
+    assertEquals(
+        TEST_DATE_TIME_INSTANT,
+        dateTimeType.getCoercing().parseLiteral(TEST_ZONED_DATE_TIME_STRING));
   }
 
   @Test
   void canSerialize() {
     assertEquals(
-        TEST_DATE_TIME_STRING, dateTimeType.getCoercing().serialize(TEST_DATE_TIME_INSTANT));
+        TEST_UTC_DATE_TIME_STRING, dateTimeType.getCoercing().serialize(TEST_DATE_TIME_INSTANT));
     assertEquals(
-        TEST_DATE_TIME_STRING, dateTimeType.getCoercing().serialize(TEST_DATE_TIME_STRING));
+        TEST_UTC_DATE_TIME_STRING, dateTimeType.getCoercing().serialize(TEST_UTC_DATE_TIME_STRING));
+    assertEquals(
+        TEST_UTC_DATE_TIME_STRING,
+        dateTimeType.getCoercing().serialize(TEST_ZONED_DATE_TIME_STRING));
 
     assertEquals(
-        TEST_DATE_TIME_STRING,
+        TEST_UTC_DATE_TIME_STRING,
         dateTimeType
             .getCoercing()
             .serialize(TEST_DATE_TIME_INSTANT.atOffset(ZoneOffset.ofHoursMinutes(12, 30))));
@@ -68,6 +75,11 @@ void canConvertFromValue() {
         TEST_DATE_TIME_INSTANT,
         dateTimeType
             .getCoercing()
-            .parseValue(StringValue.newStringValue().value(TEST_DATE_TIME_STRING).build()));
+            .parseValue(StringValue.newStringValue().value(TEST_UTC_DATE_TIME_STRING).build()));
+    assertEquals(
+        TEST_DATE_TIME_INSTANT,
+        dateTimeType
+            .getCoercing()
+            .parseValue(StringValue.newStringValue().value(TEST_ZONED_DATE_TIME_STRING).build()));
   }
 }
diff --git a/owasp-suppressions.xml b/owasp-suppressions.xml
index bd273df4..fcf5e046 100644
--- a/owasp-suppressions.xml
+++ b/owasp-suppressions.xml
@@ -8,14 +8,7 @@
     <cpe>cpe:/a:grpc:grpc</cpe>
     <cpe>cpe:/a:utils_project:utils</cpe>
   </suppress>
-  <suppress>
-    <notes><![CDATA[
-   file name: graphql-java-annotations-9.1.jar
-   ]]></notes>
-    <packageUrl regex="true">^pkg:maven/io\.github\.graphql\-java/graphql\-java\-annotations@.*$</packageUrl>
-    <cpe>cpe:/a:graphql-java:graphql-java</cpe>
-  </suppress>
-  <suppress until="2023-11-30Z">
+  <suppress until="2023-12-31Z">
     <notes><![CDATA[
   This vulnerability is disputed, with the argument that SSL configuration is the responsibility of the client rather
   than the transport. The change in default is under consideration for the next major Netty release, revisit then.
@@ -27,7 +20,7 @@
     <packageUrl regex="true">^pkg:maven/io\.netty/netty.*@.*$</packageUrl>
     <vulnerabilityName>CVE-2023-4586</vulnerabilityName>
   </suppress>
-  <suppress until="2023-11-30Z">
+  <suppress until="2023-12-31Z">
     <notes><![CDATA[
    This CVE is declared fixed from 9.4.52, but the vuln db is not reflecting that. Suppress that specific version until
    db is updated.
@@ -37,7 +30,7 @@
     <packageUrl regex="true">^pkg:maven/org\.eclipse\.jetty/jetty\-servlets@9.4.53\..*$</packageUrl>
     <vulnerabilityName>CVE-2023-36479</vulnerabilityName>
   </suppress>
-  <suppress until="2023-11-30Z">
+  <suppress until="2023-12-31Z">
     <notes><![CDATA[
    file name: jackson-databind-2.15.2.jar
    ]]></notes>