diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 1807f31..9b66530 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -57,7 +57,12 @@ jobs:
             -c https://repo.mamba.pm/emscripten-forge \
             -c https://repo.mamba.pm/conda-forge \
             --yes \
-            python=${{matrix.python_version}} "pybind11${{matrix.pybind11_version}}" nlohmann_json pybind11_json "numpy<2" "pytest==7.1.1" bzip2 sqlite zlib zstd libffi exceptiongroup emscripten-abi==${{matrix.emsdk_ver}}
+            python=${{matrix.python_version}} \
+            "pybind11${{matrix.pybind11_version}}" \
+            nlohmann_json pybind11_json "numpy<2" \
+            "pytest==7.1.1" bzip2 sqlite zlib zstd libffi \
+            exceptiongroup emscripten-abi==${{matrix.emsdk_ver}} \
+            openssl
 
 
           mkdir build
diff --git a/CMakeLists.txt b/CMakeLists.txt
index cbf23b6..5a39950 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -148,6 +148,10 @@ SET(PYTHON_UTIL_LIBS
     ${CMAKE_INSTALL_PREFIX}/lib/libsqlite3.a
     ${CMAKE_INSTALL_PREFIX}/lib/libffi.a
     ${CMAKE_INSTALL_PREFIX}/lib/libzstd.a
+    # ssl
+    ${CMAKE_INSTALL_PREFIX}/lib/libssl.a
+    # crypto
+    ${CMAKE_INSTALL_PREFIX}/lib/libcrypto.a
 )
 
 
diff --git a/build_mkdocs.sh b/build_mkdocs.sh
index bb454ec..98270df 100755
--- a/build_mkdocs.sh
+++ b/build_mkdocs.sh
@@ -23,7 +23,7 @@ if [ ! -d "$WASM_ENV_PREFIX" ]; then
             --yes \
             python=$PYTHON_VERSION "pybind11" nlohmann_json pybind11_json numpy \
             bzip2 sqlite zlib zstd libffi exceptiongroup\
-            "xeus" "xeus-lite" xeus-python "xeus-javascript" xtl "ipython=8.22.2=py311had7285e_1" "traitlets>=5.14.2"
+            "xeus" "xeus-lite" xeus-python "xeus-javascript" xtl "ipython=8.22.2=py311had7285e_1" "traitlets>=5.14.2" openssl
 
 else
     echo "Wasm env $WASM_ENV_NAME already exists"
diff --git a/src/inflate.cpp b/src/inflate.cpp
index f8041bb..c154c26 100644
--- a/src/inflate.cpp
+++ b/src/inflate.cpp
@@ -1,7 +1,6 @@
 // from https://zlib.net/zlib_how.html
 // and https://windrealm.org/tutorials/decompress-gzip-stream.php
 // and https://stackoverflow.com/questions/10195343/copy-a-file-in-a-sane-safe-and-efficient-way
-#pragma once
 
 #include <stdio.h>
 #include <string.h>
diff --git a/tests/tests/test_pyjs.py b/tests/tests/test_pyjs.py
index e244947..289338b 100644
--- a/tests/tests/test_pyjs.py
+++ b/tests/tests/test_pyjs.py
@@ -19,7 +19,11 @@
 
 import pyjs
 
-
+# check python version
+if sys.version_info[0] == 3 and sys.version_info[1] >= 13:
+    def test_ssl_import():
+        import ssl
+        
 def test_js_submodule():
     from pyjs.js import Function