diff --git a/requirements.in b/requirements.in
index 7520d92..c7dfbb5 100644
--- a/requirements.in
+++ b/requirements.in
@@ -1,3 +1,3 @@
-jsonschema
+fastjsonschema
 wslink
 websocket-client
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 2983880..07fda19 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 #
-# This file is autogenerated by pip-compile with Python 3.9
+# This file is autogenerated by pip-compile with Python 3.12
 # by the following command:
 #
 #    pip-compile requirements.in
@@ -8,37 +8,20 @@ aiohttp==3.9.3
     # via wslink
 aiosignal==1.3.1
     # via aiohttp
-async-timeout==4.0.3
-    # via aiohttp
 attrs==23.2.0
-    # via
-    #   aiohttp
-    #   jsonschema
-    #   referencing
+    # via aiohttp
+fastjsonschema==2.21.1
+    # via -r requirements.in
 frozenlist==1.4.1
     # via
     #   aiohttp
     #   aiosignal
 idna==3.6
     # via yarl
-jsonschema==4.21.1
-    # via -r requirements.in
-jsonschema-specifications==2023.12.1
-    # via jsonschema
 multidict==6.0.5
     # via
     #   aiohttp
     #   yarl
-python-dotenv==1.0.1
-    # via -r requirements.in
-referencing==0.33.0
-    # via
-    #   jsonschema
-    #   jsonschema-specifications
-rpds-py==0.18.0
-    # via
-    #   jsonschema
-    #   referencing
 websocket-client==1.7.0
     # via -r requirements.in
 wslink==1.12.4
diff --git a/src/opengeodeweb_viewer/utils_functions.py b/src/opengeodeweb_viewer/utils_functions.py
index 635b3c9..edf3163 100644
--- a/src/opengeodeweb_viewer/utils_functions.py
+++ b/src/opengeodeweb_viewer/utils_functions.py
@@ -3,8 +3,8 @@
 import json
 
 # Third party imports
-from jsonschema import validate
-from jsonschema.exceptions import ValidationError
+import fastjsonschema
+from fastjsonschema import JsonSchemaException
 
 # Local application imports
 
@@ -24,8 +24,9 @@ def get_schemas_dict(path):
 def validate_schema(params, schema, prefix=""):
     print(f"{prefix}{schema['rpc']}", f"{params=}", flush=True)
     try:
-        validate(instance=params, schema=schema)
-    except ValidationError as e:
+        validate = fastjsonschema.compile(schema)
+        validate(params)
+    except fastjsonschema.JsonSchemaException as e:
         print(f"Validation error: {e.message}", flush=True)
         raise Exception(
             {
diff --git a/src/tests/data/take_screenshot_with_background.jpg b/src/tests/data/take_screenshot_with_background.jpg
index 7edd297..b490cfc 100644
Binary files a/src/tests/data/take_screenshot_with_background.jpg and b/src/tests/data/take_screenshot_with_background.jpg differ
diff --git a/src/tests/data/take_screenshot_with_background.png b/src/tests/data/take_screenshot_with_background.png
index ef275f9..6dcfc0b 100644
Binary files a/src/tests/data/take_screenshot_with_background.png and b/src/tests/data/take_screenshot_with_background.png differ
diff --git a/src/tests/data/take_screenshot_without_background.png b/src/tests/data/take_screenshot_without_background.png
index 6dda998..d67f309 100644
Binary files a/src/tests/data/take_screenshot_without_background.png and b/src/tests/data/take_screenshot_without_background.png differ