diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 8991c9f..dbc20d0 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -15,7 +15,7 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUBSECRET2 }}
 
-      - uses: actions/checkout@v3.0.0
+      - uses: actions/checkout@v3.0.2
 
       - name: Extract branch name
         shell: bash
diff --git a/src/os_credits/settings.py b/src/os_credits/settings.py
index 1c852ff..3cac2a1 100644
--- a/src/os_credits/settings.py
+++ b/src/os_credits/settings.py
@@ -169,7 +169,7 @@ class Config(TypedDict):
     API_CONTACT_BASE_URL: str
     MAIL_CONTACT_URL: str
     ENDPOINTS_ONLY: bool
-    OS_CREDITS_PRECISION: int
+    OS_CREDITS_PRECISION: str
 
 
 default_config = Config(
@@ -186,7 +186,7 @@ class Config(TypedDict):
     API_CONTACT_BASE_URL="",
     MAIL_CONTACT_URL="",
     ENDPOINTS_ONLY=False,
-    OS_CREDITS_PRECISION=2
+    OS_CREDITS_PRECISION="0.01"
 )
 
 
@@ -215,8 +215,7 @@ def parse_config_from_environment() -> Config:
 
     for int_value_key in [
         "OS_CREDITS_WORKERS",
-        "POSTGRES_PORT",
-        "OS_CREDITS_PRECISION"
+        "POSTGRES_PORT"
     ]:
         try:
             int_value = int(environ[int_value_key])
diff --git a/src/os_credits/views.py b/src/os_credits/views.py
index 15105da..86f0241 100644
--- a/src/os_credits/views.py
+++ b/src/os_credits/views.py
@@ -362,11 +362,12 @@ async def costs_per_hour(request: web.Request) -> web.Response:
     except JSONDecodeError:
         raise web.HTTPBadRequest(reason="Invalid JSON")
     returned_costs_per_hour = Decimal(0)
+    quantize_precision = Decimal(config["OS_CREDITS_PRECISION"])
     for metric_name, spec in machine_specs.items():
         try:
             cost = Decimal(config["METRICS_TO_BILL"][metric_name])
             spec = Decimal(spec)
-            returned_costs_per_hour += (spec * cost).quantize(config["OS_CREDITS_PRECISION"])
+            returned_costs_per_hour += (spec * cost).quantize(quantize_precision)
         except KeyError:
             raise web.HTTPNotFound(reason=f"Unknown measurement `{metric_name}`.")
         except TypeError:
@@ -374,7 +375,7 @@ async def costs_per_hour(request: web.Request) -> web.Response:
                 reason=f"Parameter {metric_name} had wrong type."
             )
     return web.json_response(
-        float(returned_costs_per_hour.quantize(config["OS_CREDITS_PRECISION"]))
+        float(returned_costs_per_hour.quantize(quantize_precision))
     )
 
 
@@ -392,5 +393,5 @@ async def get_current_credits(request: web.Request) -> web.Response:
     if not project:
         raise web.HTTPNotFound(reason=f"No credits found for {project_name}.")
     return web.json_response(
-        {"current_credits": float(project[0].used_credits)}
+        {"current_credits": float(project[0].used_credits), "granted_credits": float(project[0].granted_credits)}
     )