diff --git a/girs/Gst-1.0.gir b/girs/Gst-1.0.gir
index b06b4c72db..949027a276 100644
--- a/girs/Gst-1.0.gir
+++ b/girs/Gst-1.0.gir
@@ -41180,7 +41180,7 @@ a-struct, nested=[nested-struct, nested=true]
 ```
 
 > *note*: gst_structure_to_string() won't use that syntax for backward
-> compatibility reason, gst_structure_serialize() has been added for
+> compatibility reason, gst_structure_serialize_full() has been added for
 &gt; that purpose.</doc>
       <source-position filename="../subprojects/gstreamer/gst/gststructure.h"/>
       <field name="type" writable="1">
@@ -42630,7 +42630,7 @@ argument is ignored.</doc>
           </parameter>
         </parameters>
       </method>
-      <method name="serialize" c:identifier="gst_structure_serialize" version="1.20">
+      <method name="serialize" c:identifier="gst_structure_serialize" version="1.20" deprecated="1">
         <doc xml:space="preserve" filename="../subprojects/gstreamer/gst/gststructure.c">Converts @structure to a human-readable string representation.
 
 This version of the caps serialization function introduces support for nested
@@ -42638,10 +42638,35 @@ structures and caps but the resulting strings won't be parsable with
 GStreamer prior to 1.20 unless #GST_SERIALIZE_FLAG_BACKWARD_COMPAT is passed
 as @flag.
 
+%GST_SERIALIZE_FLAG_STRICT flags is not allowed because it would make this
+function nullable which is an API break for bindings.
+Use gst_structure_serialize_full() instead.
+
 Free-function: g_free</doc>
+        <doc-deprecated xml:space="preserve">Use gst_structure_serialize_full() instead.</doc-deprecated>
         <source-position filename="../subprojects/gstreamer/gst/gststructure.h"/>
         <return-value transfer-ownership="full">
           <doc xml:space="preserve" filename="../subprojects/gstreamer/gst/gststructure.c">a pointer to string allocated by g_malloc().
+    g_free() after usage.</doc>
+          <type name="utf8" c:type="gchar*"/>
+        </return-value>
+        <parameters>
+          <instance-parameter name="structure" transfer-ownership="none">
+            <doc xml:space="preserve" filename="../subprojects/gstreamer/gst/gststructure.c">a #GstStructure</doc>
+            <type name="Structure" c:type="const GstStructure*"/>
+          </instance-parameter>
+          <parameter name="flags" transfer-ownership="none">
+            <doc xml:space="preserve" filename="../subprojects/gstreamer/gst/gststructure.c">The flags to use to serialize structure</doc>
+            <type name="SerializeFlags" c:type="GstSerializeFlags"/>
+          </parameter>
+        </parameters>
+      </method>
+      <method name="serialize_full" c:identifier="gst_structure_serialize_full" version="1.24">
+        <doc xml:space="preserve" filename="../subprojects/gstreamer/gst/gststructure.c">Alias for gst_structure_serialize() but with nullable annotation because it
+can return %NULL when %GST_SERIALIZE_FLAG_STRICT flag is set.</doc>
+        <source-position filename="../subprojects/gstreamer/gst/gststructure.h"/>
+        <return-value transfer-ownership="full" nullable="1">
+          <doc xml:space="preserve" filename="../subprojects/gstreamer/gst/gststructure.c">a pointer to string allocated by g_malloc().
     g_free() after usage.</doc>
           <type name="utf8" c:type="gchar*"/>
         </return-value>
@@ -42845,7 +42870,7 @@ This prints the structure in human readable form.
 
 This function will lead to unexpected results when there are nested #GstCaps
 / #GstStructure deeper than one level, you should user
-gst_structure_serialize() instead for those cases.
+gst_structure_serialize_full() instead for those cases.
 
 Free-function: g_free</doc>
         <source-position filename="../subprojects/gstreamer/gst/gststructure.h"/>