diff --git a/auditbeat/scripts/docs_collector.py b/auditbeat/scripts/docs_collector.py
index 5e897bde3ed..7b7bc6a3299 100644
--- a/auditbeat/scripts/docs_collector.py
+++ b/auditbeat/scripts/docs_collector.py
@@ -56,7 +56,7 @@ def collect(base_paths):
 
         # Load title from fields.yml
         with open(beat_path + "/fields.yml") as f:
-            fields = yaml.load(f.read())
+            fields = yaml.load(f.read(), Loader=yaml.FullLoader)
             title = fields[0]["title"]
 
         modules_list[module] = title
diff --git a/filebeat/scripts/docs_collector.py b/filebeat/scripts/docs_collector.py
index 3173146f4e0..b9657d4dd08 100644
--- a/filebeat/scripts/docs_collector.py
+++ b/filebeat/scripts/docs_collector.py
@@ -45,7 +45,7 @@ def collect(beat_name):
 
         # Load title from fields.yml
         with open(beat_path + "/fields.yml", encoding='utf_8') as f:
-            fields = yaml.load(f.read())
+            fields = yaml.load(f.read(), Loader=yaml.FullLoader)
             title = fields[0]["title"]
 
         modules_list[module] = title
diff --git a/libbeat/scripts/generate_fields_docs.py b/libbeat/scripts/generate_fields_docs.py
index f25ebc00779..89a80d83d27 100644
--- a/libbeat/scripts/generate_fields_docs.py
+++ b/libbeat/scripts/generate_fields_docs.py
@@ -106,7 +106,7 @@ def fields_to_asciidoc(input, output, beat):
 
 """.format(**dict))
 
-    docs = yaml.load(input)
+    docs = yaml.load(input, Loader=yaml.FullLoader)
 
     # fields file is empty
     if docs is None:
diff --git a/libbeat/tests/system/beat/common_tests.py b/libbeat/tests/system/beat/common_tests.py
index dd128029977..1f2c890749d 100644
--- a/libbeat/tests/system/beat/common_tests.py
+++ b/libbeat/tests/system/beat/common_tests.py
@@ -76,5 +76,5 @@ def test_export_config(self):
         Test that the config can be exported with `export config`
         """
         output = self.run_export_cmd("config")
-        yml = yaml.load(output)
+        yml = yaml.load(output, Loader=yaml.FullLoader)
         assert isinstance(yml, dict)
diff --git a/pytest.ini b/pytest.ini
index cc816886a6e..8d35108f951 100644
--- a/pytest.ini
+++ b/pytest.ini
@@ -8,3 +8,6 @@ markers =
 
 # Ignore setup and teardown for the timeout
 timeout_func_only = True
+
+filterwarnings =
+    error::yaml.YAMLLoadWarning
diff --git a/script/config_collector.py b/script/config_collector.py
index 73e18ae7062..6a87e13cb1d 100644
--- a/script/config_collector.py
+++ b/script/config_collector.py
@@ -45,7 +45,7 @@ def collect(beat_name, beat_path, full=False):
 
         # Load title from fields.yml
         with open(beat_path + "/fields.yml") as f:
-            fields = yaml.load(f.read())
+            fields = yaml.load(f.read(), Loader=yaml.FullLoader)
             title = fields[0]["title"]
 
             # Check if short config was disabled in fields.yml
diff --git a/winlogbeat/tests/system/winlogbeat.py b/winlogbeat/tests/system/winlogbeat.py
index eb34445bcfe..4e297bb0c18 100644
--- a/winlogbeat/tests/system/winlogbeat.py
+++ b/winlogbeat/tests/system/winlogbeat.py
@@ -111,7 +111,7 @@ def read_events(self, config=None, expected_events=1):
 
     def read_registry(self, requireBookmark=False):
         f = open(os.path.join(self.working_dir, "data", ".winlogbeat.yml"), "r")
-        data = yaml.load(f)
+        data = yaml.load(f, Loader=yaml.FullLoader)
         self.assertIn("update_time", data)
         self.assertIn("event_logs", data)