diff --git a/src/plpgsql_check.c b/src/plpgsql_check.c
index e839a70..c5a53dd 100644
--- a/src/plpgsql_check.c
+++ b/src/plpgsql_check.c
@@ -92,6 +92,9 @@ void			_PG_fini(void);
 
 #endif
 
+#if PG_VERSION_NUM >= 150000
+shmem_request_hook_type prev_shmem_request_hook = NULL;
+#endif
 shmem_startup_hook_type prev_shmem_startup_hook = NULL;
 
 bool plpgsql_check_regress_test_mode;
@@ -305,14 +308,25 @@ _PG_init(void)
 						    PGC_POSTMASTER, 0,
 						    NULL, NULL, NULL);
 
+#if PG_VERSION_NUM < 150000
+		/*
+		 * If you change code here, don't forget to also report the
+		 * modifications in plpgsql_check_profiler_shmem_request() for pg15 and
+		 * later.
+		 */
 		RequestAddinShmemSpace(plpgsql_check_shmem_size());
 
 		RequestNamedLWLockTranche("plpgsql_check profiler", 1);
 		RequestNamedLWLockTranche("plpgsql_check fstats", 1);
+#endif
 
 		/*
 		 * Install hooks.
 		 */
+#if PG_VERSION_NUM >= 150000
+		prev_shmem_startup_hook = shmem_request_hook;
+		shmem_request_hook = plpgsql_check_profiler_shmem_request;
+#endif
 		prev_shmem_startup_hook = shmem_startup_hook;
 		shmem_startup_hook = plpgsql_check_profiler_shmem_startup;
 	}
@@ -334,6 +348,9 @@ _PG_init(void)
 void
 _PG_fini(void)
 {
+#if PG_VERSION_NUM >= 150000
+	shmem_request_hook = prev_shmem_request_hook;
+#endif
 	shmem_startup_hook = prev_shmem_startup_hook;
 
 	/* Be more correct, and clean rendezvous variable */
@@ -343,4 +360,4 @@ _PG_fini(void)
 	fmgr_hook = plpgsql_check_next_fmgr_hook;
 }
 
-#endif
\ No newline at end of file
+#endif
diff --git a/src/plpgsql_check.h b/src/plpgsql_check.h
index cee4a34..2938a68 100644
--- a/src/plpgsql_check.h
+++ b/src/plpgsql_check.h
@@ -321,6 +321,9 @@ extern int plpgsql_check_profiler_max_shared_chunks;
 extern needs_fmgr_hook_type		plpgsql_check_next_needs_fmgr_hook;
 extern fmgr_hook_type			plpgsql_check_next_fmgr_hook;
 
+#if PG_VERSION_NUM >= 150000
+extern void plpgsql_check_profiler_shmem_request(void);
+#endif
 extern void plpgsql_check_profiler_shmem_startup(void);
 
 extern Size plpgsql_check_shmem_size(void);
@@ -386,6 +389,9 @@ extern bool plpgsql_check_runtime_pragma_vector_changed;
  * functions from plpgsql_check.c
  */
 
+#if PG_VERSION_NUM >= 150000
+extern shmem_request_hook_type prev_shmem_request_hook;
+#endif
 extern shmem_startup_hook_type prev_shmem_startup_hook;
 
 extern PLpgSQL_plugin **plpgsql_check_plugin_var_ptr;
diff --git a/src/profiler.c b/src/profiler.c
index 73eac14..e710745 100644
--- a/src/profiler.c
+++ b/src/profiler.c
@@ -606,6 +606,26 @@ plpgsql_check_shmem_size(void)
 	return num_bytes;
 }
 
+/*
+ * Request additional shared memory resources.
+ *
+ * If you change code here, don't forget to also report the modifications in
+ * _PG_init() for pg14 and below.
+ */
+#if PG_VERSION_NUM >= 150000
+void
+plpgsql_check_profiler_shmem_request(void)
+{
+	if (prev_shmem_request_hook)
+		prev_shmem_request_hook();
+
+	RequestAddinShmemSpace(plpgsql_check_shmem_size());
+
+	RequestNamedLWLockTranche("plpgsql_check profiler", 1);
+	RequestNamedLWLockTranche("plpgsql_check fstats", 1);
+}
+#endif
+
 /*
  * Initialize shared memory used like permanent profile storage.
  * No other parts use shared memory, so this code is completly here.