diff --git a/cps/dep_check.py b/cps/dep_check.py
index 5e8e36cf..84e16e85 100644
--- a/cps/dep_check.py
+++ b/cps/dep_check.py
@@ -23,8 +23,12 @@ if not importlib:
 def load_dependencys(optional=False):
     deps = list()
     if getattr(sys, 'frozen', False):
-        with open(os.path.join(BASE_DIR, ".pip_installed")) as f:
-            exe_deps = json.loads(f.readlines())
+        pip_installed = os.path.join(BASE_DIR, ".pip_installed")
+        if os.path.exists(pip_installed):
+            with open(pip_installed) as f:
+                exe_deps = json.loads("".join(f.readlines()))
+        else:
+            return deps
     if importlib or pkgresources:
         if optional:
             req_path = os.path.join(BASE_DIR, "optional-requirements.txt")
@@ -37,13 +41,13 @@ def load_dependencys(optional=False):
                         res = re.match(r'(.*?)([<=>\s]+)([\d\.]+),?\s?([<=>\s]+)?([\d\.]+)?', line.strip())
                         try:
                             if getattr(sys, 'frozen', False):
-                                dep_version = exe_deps[res.group(1).lower()]
+                                dep_version = exe_deps[res.group(1).lower().replace('_','-')]
                             else:
                                 if importlib:
                                     dep_version = version(res.group(1))
                                 else:
                                     dep_version = pkg_resources.get_distribution(res.group(1)).version
-                        except ImportNotFound:
+                        except (ImportNotFound, KeyError):
                             if optional:
                                 continue
                             dep_version = "not installed"
diff --git a/optional-requirements.txt b/optional-requirements.txt
index 123f4686..f7c7b572 100644
--- a/optional-requirements.txt
+++ b/optional-requirements.txt
@@ -33,7 +33,7 @@ scholarly>=1.2.0,<1.6
 markdown2>=2.0.0,<2.5.0
 html2text>=2020.1.16,<2022.1.1
 python-dateutil>=2.1,<2.9.0
-beautifulsoup4>=4.0.1,<4.2.0
+beautifulsoup4>=4.0.1,<4.11.0
 cchardet>=2.0.0,<2.2.0
 
 # Comics
diff --git a/requirements.txt b/requirements.txt
index 0b95dfa3..d9bed7bb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ Flask-Principal>=0.3.2,<0.5.1
 backports_abc>=0.4
 Flask>=1.0.2,<2.1.0
 iso-639>=0.4.5,<0.5.0
-PyPDF3>=1.0.0,<1.0.6
+PyPDF3>=1.0.0,<1.0.7
 pytz>=2016.10
 requests>=2.11.1,<2.28.0
 SQLAlchemy>=1.3.0,<1.5.0
diff --git a/setup.cfg b/setup.cfg
index e6774776..12874151 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -45,7 +45,7 @@ install_requires =
 	backports_abc>=0.4
 	Flask>=1.0.2,<2.1.0
 	iso-639>=0.4.5,<0.5.0
-	PyPDF3>=1.0.0,<1.0.6
+	PyPDF3>=1.0.0,<1.0.7
 	pytz>=2016.10
 	requests>=2.11.1,<2.28.0
 	SQLAlchemy>=1.3.0,<1.5.0
@@ -88,7 +88,7 @@ metadata =
 	markdown2>=2.0.0,<2.5.0
 	html2text>=2020.1.16,<2022.1.1
 	python-dateutil>=2.1,<2.9.0
-	beautifulsoup4>=4.0.1,<4.2.0
+	beautifulsoup4>=4.0.1,<4.11.0
 	cchardet>=2.0.0,<2.2.0
 comics = 
 	natsort>=2.2.0,<8.2.0