diff --git a/.circleci/config.yml b/.circleci/config.yml
index dfc766bc3..6f5283390 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -3,7 +3,7 @@ version: 2
 defaults: &defaults
   working_directory: ~/repo
   docker:
-    - image: pyodide/pyodide-env:14
+    - image: pyodide/pyodide-env:15
   environment:
     - EMSDK_NUM_CORES: 4
       EMCC_CORES: 4
diff --git a/Dockerfile b/Dockerfile
index d63c90e48..cb6e19c07 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -23,7 +23,7 @@ RUN pip3 --no-cache-dir install \
   pytest-rerunfailures \
   pytest-xdist \
   pyyaml \
-  "selenium~=3.141.0"
+  "selenium==4.0.0.b3"
 
 # Get firefox 70.0.1 and geckodriver
 RUN wget -qO- https://ftp.mozilla.org/pub/firefox/releases/87.0/linux-x86_64/en-US/firefox-87.0.tar.bz2 | tar jx \
diff --git a/conftest.py b/conftest.py
index b4947e54b..abac22e5d 100644
--- a/conftest.py
+++ b/conftest.py
@@ -21,24 +21,9 @@ BUILD_PATH = ROOT_PATH / "build"
 
 sys.path.append(str(ROOT_PATH))
 
-from pyodide_build._fixes import _selenium_is_connectable  # noqa: E402
 from pyodide_build.testing import set_webdriver_script_timeout, parse_driver_timeout
 
 
-def _monkeypatch_selenium():
-    try:
-        import selenium.webdriver.common.utils  # noqa: E402
-
-        # XXX: Temporary fix for ConnectionError in selenium
-
-        selenium.webdriver.common.utils.is_connectable = _selenium_is_connectable
-    except ModuleNotFoundError:
-        pass
-
-
-_monkeypatch_selenium()
-
-
 def pytest_addoption(parser):
     group = parser.getgroup("general")
     group.addoption(
@@ -55,9 +40,11 @@ def pytest_addoption(parser):
 
 
 def pytest_configure(config):
-    """Monkey patch the function cwd_relative_nodeid returns the description
-    of a test for the short summary table. Monkey patch it to reduce the verbosity of the test names in the table.
-    This leaves enough room to see the information about the test failure in the summary.
+    """Monkey patch the function cwd_relative_nodeid
+
+    returns the description of a test for the short summary table. Monkey patch
+    it to reduce the verbosity of the test names in the table.  This leaves
+    enough room to see the information about the test failure in the summary.
     """
     old_cwd_relative_nodeid = config.cwd_relative_nodeid
 
diff --git a/pyodide_build/_fixes.py b/pyodide_build/_fixes.py
deleted file mode 100644
index 993ce7dad..000000000
--- a/pyodide_build/_fixes.py
+++ /dev/null
@@ -1,23 +0,0 @@
-import socket
-
-
-# Temporary fix from https://github.com/SeleniumHQ/selenium/pull/6480
-# to avoid ConnectionError in selenium
-
-
-def _selenium_is_connectable(port, host="localhost"):
-    """
-    Tries to connect to the server at port to see if it is running.
-    :Args:
-     - port - The port to connect.
-    """
-    socket_ = None
-    try:
-        socket_ = socket.create_connection((host, port), 1)
-        result = True
-    except (socket.error, ConnectionError):
-        result = False
-    finally:
-        if socket_:
-            socket_.close()
-    return result
diff --git a/run_docker b/run_docker
index 047224170..30f92ded3 100755
--- a/run_docker
+++ b/run_docker
@@ -29,7 +29,7 @@ function error() {
 }
 
 
-PYODIDE_IMAGE_TAG="14"
+PYODIDE_IMAGE_TAG="15"
 PYODIDE_PREBUILT_IMAGE_TAG="0.17.0a2"
 DEFAULT_PYODIDE_DOCKER_IMAGE="pyodide/pyodide-env:${PYODIDE_IMAGE_TAG}"
 DEFAULT_PYODIDE_SYSTEM_PORT="8000"