diff --git a/requirements-dev.txt b/requirements-dev.txt
index e8276aa..15134cc 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,14 +1,14 @@
 # Runtime requirements
 --requirement requirements.txt
 
-waitress==1.4.4
+waitress==2.1.2
 pyramid_debugtoolbar==4.9
 
 #testing
-pytest==6.1.2
-pytest-cov==2.10.1
-webtest==2.0.35
-coveralls==2.2.0
+pytest==7.1.2
+pytest-cov==3.0.0
+webtest==3.0.0
+coveralls==3.3.1
 
 # Wheel
-wheel==0.36.1
+wheel==0.37.1
diff --git a/requirements.txt b/requirements.txt
index 119a5bd..fe6147f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
-pyramid==1.10.5
-PyYAML==5.3.1
+pyramid==2.0
+PyYAML==6.0
diff --git a/urihandler/__init__.py b/urihandler/__init__.py
index c75385f..bc66917 100644
--- a/urihandler/__init__.py
+++ b/urihandler/__init__.py
@@ -53,7 +53,7 @@ def _load_configuration(path):
     """
     log.debug("Loading uriregistry config from %s." % path)
     f = open(path)
-    content = yaml.load(f.read())
+    content = yaml.safe_load(f.read())
     log.debug(content)
     f.close()
     return content
diff --git a/urihandler/utils.py b/urihandler/utils.py
index 994086b..015d918 100644
--- a/urihandler/utils.py
+++ b/urihandler/utils.py
@@ -1,8 +1,9 @@
 import base64
 import hashlib
 
-from pyramid.compat import native_, bytes_
 from pyramid.renderers import render
+from pyramid_debugtoolbar.compat import bytes_
+from pyramid_debugtoolbar.compat import native_
 
 
 def create_version_hash(uri_dict, request):