diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 476d63847..56c8a6010 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -18,7 +18,7 @@ repos:
           - types-requests==2.31.0.1
           - types-tabulate==0.9.0.2
           - types-python-dateutil==2.8.19.13
-          - SQLAlchemy==2.0.16
+          - SQLAlchemy==2.0.17
         # stages: [push]
 
   - repo: https://github.com/pycqa/isort
diff --git a/freqtrade/constants.py b/freqtrade/constants.py
index ffcd87744..de1e7aa51 100644
--- a/freqtrade/constants.py
+++ b/freqtrade/constants.py
@@ -112,6 +112,8 @@ MINIMAL_CONFIG = {
     }
 }
 
+__MESSAGE_TYPE_DICT: Dict[str, Dict[str, str]] = {x: {'type': 'object'} for x in RPCMessageType}
+
 # Required json-schema for user specified config
 CONF_SCHEMA = {
     'type': 'object',
@@ -354,7 +356,8 @@ CONF_SCHEMA = {
                 'format': {'type': 'string', 'enum': WEBHOOK_FORMAT_OPTIONS, 'default': 'form'},
                 'retries': {'type': 'integer', 'minimum': 0},
                 'retry_delay': {'type': 'number', 'minimum': 0},
-                **dict([(x, {'type': 'object'}) for x in RPCMessageType]),
+                **__MESSAGE_TYPE_DICT,
+                # **{x: {'type': 'object'} for x in RPCMessageType},
                 # Below -> Deprecated
                 'webhookentry': {'type': 'object'},
                 'webhookentrycancel': {'type': 'object'},
diff --git a/freqtrade/freqai/freqai_interface.py b/freqtrade/freqai/freqai_interface.py
index 9fe8bd194..36c94130c 100644
--- a/freqtrade/freqai/freqai_interface.py
+++ b/freqtrade/freqai/freqai_interface.py
@@ -515,7 +515,7 @@ class IFreqaiModel(ABC):
             ]
 
         if ft_params.get("principal_component_analysis", False):
-            pipe_steps.append(('pca', ds.PCA()))
+            pipe_steps.append(('pca', ds.PCA(n_components=0.999)))
             pipe_steps.append(('post-pca-scaler',
                                SKLearnWrapper(MinMaxScaler(feature_range=(-1, 1)))))
 
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 5da4a404f..282d35101 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -8,7 +8,7 @@
 
 coveralls==3.3.1
 ruff==0.0.275
-mypy==1.3.0
+mypy==1.4.1
 pre-commit==3.3.3
 pytest==7.4.0
 pytest-asyncio==0.21.0
diff --git a/requirements.txt b/requirements.txt
index 6a2ae6318..7c398e3c5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ ccxt==3.1.44
 cryptography==41.0.1; platform_machine != 'armv7l'
 cryptography==40.0.1; platform_machine == 'armv7l'
 aiohttp==3.8.4
-SQLAlchemy==2.0.16
+SQLAlchemy==2.0.17
 python-telegram-bot==20.3
 # can't be hard-pinned due to telegram-bot pinning httpx with ~
 httpx>=0.24.1
@@ -38,7 +38,7 @@ orjson==3.9.1
 sdnotify==0.3.2
 
 # API Server
-fastapi==0.97.0
+fastapi==0.98.0
 pydantic==1.10.9
 uvicorn==0.22.0
 pyjwt==2.7.0