diff --git a/recipes/recipes_emscripten/xeus-ocaml/build.sh b/recipes/recipes_emscripten/xeus-ocaml/build.sh
index 906d3286342..5f3ef2e389f 100644
--- a/recipes/recipes_emscripten/xeus-ocaml/build.sh
+++ b/recipes/recipes_emscripten/xeus-ocaml/build.sh
@@ -6,10 +6,13 @@ set -ex
 # Use a subshell to isolate the environment changes
 # =========================================================================
 (
-  unset CC CXX CFLAGS CXXFLAGS LDFLAGS
+  # --- Disable OCaml-related wasm flags: OCaml needs native builders ---
+  unset CC CXX CFLAGS CXXFLAGS LDFLAGS OPAMSWITCH
+  # --- Private opam root built into the source tree (no cross-build caching) ---
+  export OPAMROOT=$SRC_DIR/opam_root
 
   cd ocaml
-  opam init --disable-sandboxing --no --compiler=5.4.0
+  opam init --disable-sandboxing --no --compiler=5.5.0
   opam install dune
   opam exec -- dune pkg lock
   opam exec -- dune build --profile release
@@ -26,6 +29,11 @@ cp -r ocaml/_build/default/src/* ocaml-build/
 mkdir -p build
 cd build
 
+# Clear the host (native) LDFLAGS: CMake reads LDFLAGS into the linker flags,
+# and the native `-Wl,--no-pie/--sort-common/--as-needed` flags are rejected
+# by wasm-ld.
+unset LDFLAGS
+
 cmake -S ${SRC_DIR} -GNinja ${CMAKE_ARGS}    \
     -DCMAKE_BUILD_TYPE=Release               \
     -DCMAKE_PREFIX_PATH=${PREFIX}            \
diff --git a/recipes/recipes_emscripten/xeus-ocaml/recipe.yaml b/recipes/recipes_emscripten/xeus-ocaml/recipe.yaml
index 8a81e20910f..eb65dcd9bad 100644
--- a/recipes/recipes_emscripten/xeus-ocaml/recipe.yaml
+++ b/recipes/recipes_emscripten/xeus-ocaml/recipe.yaml
@@ -1,5 +1,5 @@
 context:
-  version: 0.2.8
+  version: 0.2.10
 
 package:
   name: xeus-ocaml
@@ -7,7 +7,7 @@ package:
 
 source:
   url: https://github.com/davy39/xeus-ocaml/archive/refs/tags/v${{ version }}.tar.gz
-  sha256: 4e9390b103ef41ccbedb2c313e6e08094aaceae56e517952895841e4acfffa44
+  sha256: 6ea09c94538b2a13fce17e4c3257e5937cea799888da4fc4f1b309e6c9f98a3b
 
 requirements:
   build: