diff --git a/mkdocs_build/requirements.txt b/mkdocs_build/requirements.txt
index 6da14587b76..26ce7786fb3 100644
--- a/mkdocs_build/requirements.txt
+++ b/mkdocs_build/requirements.txt
@@ -11,7 +11,7 @@ pipdeptree>=2.12.0
 bleach>=6.0.0
 docutils>=0.20.1
 python-dateutil>=2.8.2
-tqdm>=4.66.0
+tqdm>=4.66.1
 nltk>=3.8.1
 joblib>=1.3.2
 livereload==2.6.3
@@ -21,7 +21,7 @@ Jinja2==3.1.2
 click==8.1.6
 ghp-import==2.1.0
 lunr==0.6.2
-tornado==6.3.2
+tornado==6.3.3
 watchdog==3.0.0
 cairocffi==1.6.1
 cairosvg==2.7.1
diff --git a/requirements.txt b/requirements.txt
index 04941be2731..6cc3e1a9e58 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -70,7 +70,7 @@ pygments==2.14.0;python_version<"3.7"
 pygments==2.16.1;python_version>="3.7"
 pyreadline3==3.4.1;platform_system=="Windows"
 tabcompleter==1.2.1
-pdbp==1.4.4
+pdbp==1.4.5
 colorama==0.4.5;python_version<"3.7"
 colorama==0.4.6;python_version>="3.7"
 exceptiongroup==1.1.2;python_version>="3.7"
diff --git a/seleniumbase/__version__.py b/seleniumbase/__version__.py
index 29d7bd19870..13489a2bf99 100755
--- a/seleniumbase/__version__.py
+++ b/seleniumbase/__version__.py
@@ -1,2 +1,2 @@
 # seleniumbase package
-__version__ = "4.17.2"
+__version__ = "4.17.3"
diff --git a/seleniumbase/core/browser_launcher.py b/seleniumbase/core/browser_launcher.py
index de10e48e216..d5f02e4edb9 100644
--- a/seleniumbase/core/browser_launcher.py
+++ b/seleniumbase/core/browser_launcher.py
@@ -96,16 +96,35 @@ def make_driver_executable_if_not(driver_path):
         make_executable(driver_path)
 
 
-def requests_get(url):
+def requests_get(url, proxy_string=None):
     import requests
 
+    protocol = "http"
+    if proxy_string:
+        if proxy_string.endswith(":443"):
+            protocol = "https"
+        elif "socks4" in proxy_string:
+            protocol = "socks4"
+        elif "socks5" in proxy_string:
+            protocol = "socks5"
     response = None
-    try:
-        response = requests.get(url)
-    except Exception:
-        # Prevent SSLCertVerificationError / CERTIFICATE_VERIFY_FAILED
-        url = url.replace("https://", "http://")
-        response = requests.get(url)
+    if proxy_string:
+        proxies = {protocol: proxy_string}
+        try:
+            response = requests.get(url, proxies=proxies)
+        except Exception:
+            # Prevent SSLCertVerificationError / CERTIFICATE_VERIFY_FAILED
+            url = url.replace("https://", "http://")
+            time.sleep(0.04)
+            response = requests.get(url, proxies=proxies)
+    else:
+        try:
+            response = requests.get(url)
+        except Exception:
+            # Prevent SSLCertVerificationError / CERTIFICATE_VERIFY_FAILED
+            url = url.replace("https://", "http://")
+            time.sleep(0.04)
+            response = requests.get(url)
     return response
 
 
@@ -178,6 +197,7 @@ def find_edgedriver_version_to_use(use_version, driver_version):
 def has_cf(text):
     if (
         "<title>Just a moment...</title>" in text
+        or "<title>403 Forbidden</title>" in text
         or 'id="challenge-error-text"' in text
         or 'action="/?__cf_chl_f_tk' in text
         or 'id="challenge-form"' in text
@@ -187,10 +207,10 @@ def has_cf(text):
     return False
 
 
-def uc_special_open_if_cf(driver, url):
+def uc_special_open_if_cf(driver, url, proxy_string=None):
     if (
         (url.startswith("http:") or url.startswith("https:"))
-        and has_cf(requests_get(url).text)
+        and has_cf(requests_get(url, proxy_string).text)
     ):
         with driver:
             time.sleep(0.25)
@@ -3405,7 +3425,9 @@ def get_local_driver(
                             )
                 driver.open = driver.get  # Save copy of original
                 if uc_activated:
-                    driver.get = lambda url: uc_special_open_if_cf(driver, url)
+                    driver.get = lambda url: uc_special_open_if_cf(
+                        driver, url, proxy_string
+                    )
                     driver.uc_open = lambda url: uc_open(driver, url)
                     driver.uc_open_with_tab = (
                         lambda url: uc_open_with_tab(driver, url)
diff --git a/setup.py b/setup.py
index 9bccc0fa614..740934bfa90 100755
--- a/setup.py
+++ b/setup.py
@@ -204,7 +204,7 @@
         'pygments==2.16.1;python_version>="3.7"',
         'pyreadline3==3.4.1;platform_system=="Windows"',
         "tabcompleter==1.2.1",
-        "pdbp==1.4.4",
+        "pdbp==1.4.5",
         'colorama==0.4.5;python_version<"3.7"',
         'colorama==0.4.6;python_version>="3.7"',
         'exceptiongroup==1.1.2;python_version>="3.7"',