diff --git a/Tools/wasm/wasi.py b/Tools/wasm/wasi.py
index a6c63887dc9111..a8f7d4f0683bbd 100644
--- a/Tools/wasm/wasi.py
+++ b/Tools/wasm/wasi.py
@@ -280,9 +280,9 @@ def main():
     default_host_runner = (f"{shutil.which('wasmtime')} run "
                         # Make sure the stack size will work for a pydebug
                         # build.
-                        # The 8388608 value comes from double of `ulimit -s` under Linux
-                        # which equates to 8291*2 KiB.
-                        "--wasm max-wasm-stack=16777216 "
+                        # The 33554432 value comes from quadruple of `ulimit -s` under Linux
+                        # which equates to 8291*4 KiB.
+                        "--wasm max-wasm-stack=33554432 "
                         # Use WASI 0.2 primitives.
                         "--wasi preview2 "
                         # Enable thread support; causes use of preview1.
diff --git a/Tools/wasm/wasm_build.py b/Tools/wasm/wasm_build.py
index bcb80212362b71..95e4d91211e431 100755
--- a/Tools/wasm/wasm_build.py
+++ b/Tools/wasm/wasm_build.py
@@ -329,7 +329,7 @@ def _check_wasi() -> None:
         # workaround for https://github.com/python/cpython/issues/95952
         "HOSTRUNNER": (
             "wasmtime run "
-            "--wasm max-wasm-stack=16777216 "
+            "--wasm max-wasm-stack=33554432 "
             "--wasi preview2 "
             "--dir {srcdir}::/ "
             "--env PYTHONPATH=/{relbuilddir}/build/lib.wasi-wasm32-{version}:/Lib"
diff --git a/configure b/configure
index 95a3c34fa2bc65..32ce47e53d19f1 100755
--- a/configure
+++ b/configure
@@ -7758,7 +7758,7 @@ then :
 fi
      ;; #(
               WASI/*) :
-    HOSTRUNNER='wasmtime run --wasm max-wasm-stack=16777216 --wasi preview2 --env PYTHONPATH=/$(shell realpath --relative-to $(abs_srcdir) $(abs_builddir))/$(shell cat pybuilddir.txt):/Lib --dir $(srcdir)::/' ;; #(
+    HOSTRUNNER='wasmtime run --wasm max-wasm-stack=33554432 --wasi preview2 --env PYTHONPATH=/$(shell realpath --relative-to $(abs_srcdir) $(abs_builddir))/$(shell cat pybuilddir.txt):/Lib --dir $(srcdir)::/' ;; #(
   *) :
     HOSTRUNNER=''
    ;;
diff --git a/configure.ac b/configure.ac
index d5d614dab07406..c652583d9a2d6e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1609,7 +1609,7 @@ then
     dnl TODO: support other WASI runtimes
     dnl wasmtime starts the proces with "/" as CWD. For OOT builds add the
     dnl directory containing _sysconfigdata to PYTHONPATH.
-    [WASI/*], [HOSTRUNNER='wasmtime run --wasm max-wasm-stack=16777216 --wasi preview2 --env PYTHONPATH=/$(shell realpath --relative-to $(abs_srcdir) $(abs_builddir))/$(shell cat pybuilddir.txt):/Lib --dir $(srcdir)::/'],
+    [WASI/*], [HOSTRUNNER='wasmtime run --wasm max-wasm-stack=33554432 --wasi preview2 --env PYTHONPATH=/$(shell realpath --relative-to $(abs_srcdir) $(abs_builddir))/$(shell cat pybuilddir.txt):/Lib --dir $(srcdir)::/'],
     [HOSTRUNNER='']
   )
 fi