diff --git a/.gitattributes b/.gitattributes
index dd9d1a0c8..289340f27 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -8,6 +8,7 @@ vendor/box2d/lib/box2d_windows_amd64_sse2.lib filter=lfs diff=lfs merge=lfs -tex
 vendor/box3d/lib/linux-amd64/libbox3d.a filter=lfs diff=lfs merge=lfs -text
 vendor/box3d/lib/darwin/libbox3d.a filter=lfs diff=lfs merge=lfs -text
 vendor/box3d/lib/box3d.lib filter=lfs diff=lfs merge=lfs -text
+vendor/box3d/lib/box3d_wasm.o filter=lfs diff=lfs merge=lfs -text
 vendor/miniaudio/lib/miniaudio.lib filter=lfs diff=lfs merge=lfs -text
 vendor/sdl3/SDL3.dll filter=lfs diff=lfs merge=lfs -text
 vendor/sdl3/SDL3.lib filter=lfs diff=lfs merge=lfs -text
diff --git a/vendor/box3d/lib/box3d_wasm.o b/vendor/box3d/lib/box3d_wasm.o
new file mode 100644
index 000000000..b84ce8e8b
--- /dev/null
+++ b/vendor/box3d/lib/box3d_wasm.o
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d03c8fda79eed1028b9ad4788c9361d78f17717826b98616a70694806507c411
+size 1367290