diff --git a/doc/APIchanges b/doc/APIchanges
index a025f1df14..9d25621e43 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -2,6 +2,9 @@ The last version increases of all libraries were on 2024-03-07
 
 API changes, most recent first:
 
+2024-03-22 - xxxxxxxxxx - lavu 59.4.100 - frame.h
+  Constified the first-level pointee of av_frame_side_data_get().
+
 2024-03-xx - xxxxxxxxxx - lavc 61.2.100 - avcodec.h
   Add AVCodecContext.[nb_]decoded_side_data.
 
diff --git a/libavutil/frame.c b/libavutil/frame.c
index 89db687d9c..8598aa98a2 100644
--- a/libavutil/frame.c
+++ b/libavutil/frame.c
@@ -813,7 +813,7 @@ int av_frame_side_data_clone(AVFrameSideData ***sd, int *nb_sd,
     return 0;
 }
 
-const AVFrameSideData *av_frame_side_data_get(const AVFrameSideData **sd,
+const AVFrameSideData *av_frame_side_data_get(const AVFrameSideData * const *sd,
                                               const int nb_sd,
                                               enum AVFrameSideDataType type)
 {
diff --git a/libavutil/frame.h b/libavutil/frame.h
index a7fc909ad8..cf9ffe1ba9 100644
--- a/libavutil/frame.h
+++ b/libavutil/frame.h
@@ -1051,7 +1051,7 @@ int av_frame_side_data_clone(AVFrameSideData ***sd, int *nb_sd,
  * @return a pointer to the side data of a given type on success, NULL if there
  *         is no side data with such type in this set.
  */
-const AVFrameSideData *av_frame_side_data_get(const AVFrameSideData **sd,
+const AVFrameSideData *av_frame_side_data_get(const AVFrameSideData * const *sd,
                                               const int nb_sd,
                                               enum AVFrameSideDataType type);
 
diff --git a/libavutil/version.h b/libavutil/version.h
index 5027b025be..882003f719 100644
--- a/libavutil/version.h
+++ b/libavutil/version.h
@@ -79,7 +79,7 @@
  */
 
 #define LIBAVUTIL_VERSION_MAJOR  59
-#define LIBAVUTIL_VERSION_MINOR   3
+#define LIBAVUTIL_VERSION_MINOR   4
 #define LIBAVUTIL_VERSION_MICRO 100
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \