diff --git a/scripts/build_cosmo.sh b/scripts/build_cosmo.sh
index bb622ba6..3019ce65 100755
--- a/scripts/build_cosmo.sh
+++ b/scripts/build_cosmo.sh
@@ -194,6 +194,7 @@ mkdir python-install
 cd python-build
 cmake \
   "${cmake_verbose_flags[@]}" \
+  "${cmake_python_options[@]}" \
   -DCMAKE_C_COMPILER=${CC} \
   -DCMAKE_CXX_COMPILER=${CXX} \
   -DCMAKE_CXX_FLAGS="${CXXFLAGS}" \
diff --git a/scripts/build_freebsd.sh b/scripts/build_freebsd.sh
index d77a8acc..ca949dd2 100755
--- a/scripts/build_freebsd.sh
+++ b/scripts/build_freebsd.sh
@@ -383,6 +383,7 @@ mkdir python-install
 cd python-build
 cmake \
   "${cmake_verbose_flags[@]}" \
+  "${cmake_python_options[@]}" \
   -DCMAKE_IGNORE_PATH=/usr/include \
   -DPYTHON_VERSION=${PYTHON_FULL_VER} \
   -DPORTABLE_PYTHON_BUILD=ON \
diff --git a/scripts/build_linux_zig.sh b/scripts/build_linux_zig.sh
index d8c1e9ff..451b239a 100755
--- a/scripts/build_linux_zig.sh
+++ b/scripts/build_linux_zig.sh
@@ -576,6 +576,7 @@ mkdir python-install
 cd python-build
 LDFLAGS="${LDFLAGS} -lfontconfig -lfreetype" cmake \
   "${cmake_verbose_flags[@]}" \
+  "${cmake_python_options[@]}" \
   -DCMAKE_SYSTEM_PROCESSOR=${ARCH} \
   -DCMAKE_CROSSCOMPILING_EMULATOR=${WORKDIR}/scripts/qemu_${ARCH}_interpreter \
   -DCMAKE_IGNORE_PATH=/usr/include \
diff --git a/scripts/build_macos.sh b/scripts/build_macos.sh
index b6b88bff..e97b5727 100755
--- a/scripts/build_macos.sh
+++ b/scripts/build_macos.sh
@@ -288,6 +288,7 @@ mkdir python-install
 cd python-build
 cmake \
   "${cmake_verbose_flags[@]}" \
+  "${cmake_python_options[@]}" \
   -G "Unix Makefiles" \
   "-DCMAKE_OSX_ARCHITECTURES=arm64;x86_64" \
   -DCMAKE_OSX_DEPLOYMENT_TARGET=${MACOSX_DEPLOYMENT_TARGET} \
diff --git a/scripts/build_solaris.sh b/scripts/build_solaris.sh
index 1fd79de9..c9d0f72d 100755
--- a/scripts/build_solaris.sh
+++ b/scripts/build_solaris.sh
@@ -417,6 +417,7 @@ cd python-build
 # https://stackoverflow.com/a/52240320
 CFLAGS="${CFLAGS} -D_XOPEN_SOURCE=500 -D__EXTENSIONS__" LDFLAGS="${LDFLAGS} -lsocket -lnsl" cmake \
   "${cmake_verbose_flags[@]}" \
+  "${cmake_python_options[@]}" \
   -DCMAKE_IGNORE_PATH=/usr/include \
   -DPYTHON_VERSION=${PYTHON_FULL_VER} \
   -DPORTABLE_PYTHON_BUILD=ON \
diff --git a/scripts/build_windows.sh b/scripts/build_windows.sh
index a2df681b..c8307512 100755
--- a/scripts/build_windows.sh
+++ b/scripts/build_windows.sh
@@ -186,6 +186,7 @@ mkdir python-install
 cd python-build
 cmake \
   "${cmake_verbose_flags[@]}" \
+  "${cmake_python_options[@]}" \
   -G "Visual Studio 17 2022" -A x64 \
   -DPYTHON_VERSION=${PYTHON_FULL_VER} \
   -DPORTABLE_PYTHON_BUILD=ON \
diff --git a/scripts/utils.sh b/scripts/utils.sh
index ce1e4d89..5ef109d4 100644
--- a/scripts/utils.sh
+++ b/scripts/utils.sh
@@ -50,6 +50,14 @@ fi
 
 ARCH=$1
 PYTHON_FULL_VER=$2
+
+cmake_python_options=()
+# Parse Python options out of full version string
+if [[ "${PYTHON_FULL_VER}" == *t ]]; then
+  PYTHON_FULL_VER=${PYTHON_FULL_VER%"t"}
+  cmake_python_options+=(-DWITH_FREE_THREADING)
+fi
+
 DISTRIBUTION=$3
 PYTHON_VER=$(echo ${PYTHON_FULL_VER} | cut -d "." -f 1-2)
 PYTHON_MAJOR=$(echo ${PYTHON_VER} | cut -d "." -f 1)