diff --git a/.gitmodules b/.gitmodules
index 96a7c4b6..4ab8f324 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -29,7 +29,7 @@
 [submodule "external/libavif"]
 	path = external/libavif
 	url = https://github.com/libsdl-org/libavif.git
-	branch = v1.0.3-SDL
+	branch = v1.0.4-SDL
 [submodule "external/dav1d"]
 	path = external/dav1d
 	url = https://github.com/libsdl-org/dav1d.git
diff --git a/VisualC/external/include/avif/avif.h b/VisualC/external/include/avif/avif.h
index 7c52b4f1..3d77b43d 100644
--- a/VisualC/external/include/avif/avif.h
+++ b/VisualC/external/include/avif/avif.h
@@ -57,7 +57,7 @@ extern "C" {
 // to leverage in-development code without breaking their stable builds.
 #define AVIF_VERSION_MAJOR 1
 #define AVIF_VERSION_MINOR 0
-#define AVIF_VERSION_PATCH 3
+#define AVIF_VERSION_PATCH 4
 #define AVIF_VERSION_DEVEL 0
 #define AVIF_VERSION \
     ((AVIF_VERSION_MAJOR * 1000000) + (AVIF_VERSION_MINOR * 10000) + (AVIF_VERSION_PATCH * 100) + AVIF_VERSION_DEVEL)
diff --git a/VisualC/external/optional/x64/libavif-16.dll b/VisualC/external/optional/x64/libavif-16.dll
index 8f4ee361..907aad7a 100644
Binary files a/VisualC/external/optional/x64/libavif-16.dll and b/VisualC/external/optional/x64/libavif-16.dll differ
diff --git a/VisualC/external/optional/x86/libavif-16.dll b/VisualC/external/optional/x86/libavif-16.dll
index 410876a1..8434089d 100644
Binary files a/VisualC/external/optional/x86/libavif-16.dll and b/VisualC/external/optional/x86/libavif-16.dll differ
diff --git a/external/libavif b/external/libavif
index 6c3e45eb..8254d7be 160000
--- a/external/libavif
+++ b/external/libavif
@@ -1 +1 @@
-Subproject commit 6c3e45ebf22c680e8cc8f359bfd1cef560456e41
+Subproject commit 8254d7be35cfe146399b0df42d55fc4e7bba59a1