diff --git a/include/esp32/esp_afe_sr_iface.h b/include/esp32/esp_afe_sr_iface.h
index 4ba7fd5..73f60c3 100644
--- a/include/esp32/esp_afe_sr_iface.h
+++ b/include/esp32/esp_afe_sr_iface.h
@@ -36,8 +36,8 @@ typedef struct {
     bool vad_init;
     bool wakenet_init;
     int vad_mode;
-    esp_wn_iface_t *wakenet_model;
-    model_coeff_getter_t *wakenet_coeff;
+    const esp_wn_iface_t *wakenet_model;
+    const model_coeff_getter_t *wakenet_coeff;
     det_mode_t wakenet_mode;
     afe_sr_mode_t afe_mode;
     int afe_perferred_core;
diff --git a/include/esp32s3/esp_afe_sr_iface.h b/include/esp32s3/esp_afe_sr_iface.h
index 4ba7fd5..73f60c3 100644
--- a/include/esp32s3/esp_afe_sr_iface.h
+++ b/include/esp32s3/esp_afe_sr_iface.h
@@ -36,8 +36,8 @@ typedef struct {
     bool vad_init;
     bool wakenet_init;
     int vad_mode;
-    esp_wn_iface_t *wakenet_model;
-    model_coeff_getter_t *wakenet_coeff;
+    const esp_wn_iface_t *wakenet_model;
+    const model_coeff_getter_t *wakenet_coeff;
     det_mode_t wakenet_mode;
     afe_sr_mode_t afe_mode;
     int afe_perferred_core;
diff --git a/libversion b/libversion
index 3fe86c0..3934b59 100644
--- a/libversion
+++ b/libversion
@@ -1 +1 @@
-7ce38202b5ce1d21ab82a1b61253a8d0525f4d40
\ No newline at end of file
+4949e6c67e2bde9ac4978345623dcc098f34c404
\ No newline at end of file