diff --git a/lib/charms/prometheus_k8s/v0/prometheus_scrape.py b/lib/charms/prometheus_k8s/v0/prometheus_scrape.py
index e3d35c6f..ca554fb2 100644
--- a/lib/charms/prometheus_k8s/v0/prometheus_scrape.py
+++ b/lib/charms/prometheus_k8s/v0/prometheus_scrape.py
@@ -362,7 +362,7 @@ def _on_scrape_targets_changed(self, event):
 
 # Increment this PATCH version before using `charmcraft publish-lib` or reset
 # to 0 if you are raising the major API version
-LIBPATCH = 47
+LIBPATCH = 48
 
 PYDEPS = ["cosl"]
 
@@ -2364,12 +2364,9 @@ def _get_tool_path(self) -> Optional[Path]:
         arch = "amd64" if arch == "x86_64" else arch
         res = "cos-tool-{}".format(arch)
         try:
-            path = Path(res).resolve()
-            path.chmod(0o777)
+            path = Path(res).resolve(strict=True)
             return path
-        except NotImplementedError:
-            logger.debug("System lacks support for chmod")
-        except FileNotFoundError:
+        except (FileNotFoundError, OSError):
             logger.debug('Could not locate cos-tool at: "{}"'.format(res))
         return None
 
diff --git a/lib/charms/tempo_coordinator_k8s/v0/charm_tracing.py b/lib/charms/tempo_coordinator_k8s/v0/charm_tracing.py
index cf8def11..a9b6deeb 100644
--- a/lib/charms/tempo_coordinator_k8s/v0/charm_tracing.py
+++ b/lib/charms/tempo_coordinator_k8s/v0/charm_tracing.py
@@ -10,10 +10,10 @@
 in real time from the Grafana dashboard the execution flow of your charm.
 
 # Quickstart
-Fetch the following charm libs (and ensure the minimum version/revision numbers are satisfied):
+Fetch the following charm libs:
 
-    charmcraft fetch-lib charms.tempo_coordinator_k8s.v0.tracing  # >= 1.10
-    charmcraft fetch-lib charms.tempo_coordinator_k8s.v0.charm_tracing  # >= 2.7
+    charmcraft fetch-lib charms.tempo_coordinator_k8s.v0.tracing
+    charmcraft fetch-lib charms.tempo_coordinator_k8s.v0.charm_tracing
 
 Then edit your charm code to include:
 
@@ -168,9 +168,10 @@ class MyCharm(CharmBase):
     ...
 ```
 
-## Upgrading from `v0`
+## Upgrading from `tempo_k8s.v0`
 
-If you are upgrading from `charm_tracing` v0, you need to take the following steps (assuming you already
+If you are upgrading from `tempo_k8s.v0.charm_tracing` (note that since then, the charm library moved to
+`tempo_coordinator_k8s.v0.charm_tracing`), you need to take the following steps (assuming you already
 have the newest version of the library in your charm):
 1) If you need the dependency for your tests, add the following dependency to your charm project
 (or, if your project had a dependency on `opentelemetry-exporter-otlp-proto-grpc` only because
@@ -183,7 +184,7 @@ class MyCharm(CharmBase):
 For example:
 
 ```
-    from charms.tempo_coordinator_k8s.v0.charm_tracing import trace_charm
+    from charms.tempo_k8s.v0.charm_tracing import trace_charm
 
     @trace_charm(
         tracing_endpoint="my_tracing_endpoint",
@@ -337,7 +338,7 @@ def _remove_stale_otel_sdk_packages():
 # Increment this PATCH version before using `charmcraft publish-lib` or reset
 # to 0 if you are raising the major API version
 
-LIBPATCH = 4
+LIBPATCH = 5
 
 PYDEPS = ["opentelemetry-exporter-otlp-proto-http==1.21.0"]
 
diff --git a/lib/charms/tempo_coordinator_k8s/v0/tracing.py b/lib/charms/tempo_coordinator_k8s/v0/tracing.py
index 734a4ca0..27144fa6 100644
--- a/lib/charms/tempo_coordinator_k8s/v0/tracing.py
+++ b/lib/charms/tempo_coordinator_k8s/v0/tracing.py
@@ -110,7 +110,7 @@ def __init__(self, *args):
 
 # Increment this PATCH version before using `charmcraft publish-lib` or reset
 # to 0 if you are raising the major API version
-LIBPATCH = 4
+LIBPATCH = 5
 
 PYDEPS = ["pydantic"]
 
@@ -951,7 +951,6 @@ def charm_tracing_config(
      proceed with charm tracing (with or without tls, as appropriate)
 
     Usage:
-      If you are using charm_tracing >= v1.9:
     >>> from lib.charms.tempo_coordinator_k8s.v0.charm_tracing import trace_charm
     >>> from lib.charms.tempo_coordinator_k8s.v0.tracing import charm_tracing_config
     >>> @trace_charm(tracing_endpoint="my_endpoint", cert_path="cert_path")
@@ -961,24 +960,6 @@ def charm_tracing_config(
     >>>         self.tracing = TracingEndpointRequirer(...)
     >>>         self.my_endpoint, self.cert_path = charm_tracing_config(
     ...             self.tracing, self._cert_path)
-
-      If you are using charm_tracing < v1.9:
-    >>> from lib.charms.tempo_coordinator_k8s.v0.charm_tracing import trace_charm
-    >>> from lib.charms.tempo_coordinator_k8s.v0.tracing import charm_tracing_config
-    >>> @trace_charm(tracing_endpoint="my_endpoint", cert_path="cert_path")
-    >>> class MyCharm(...):
-    >>>     _cert_path = "/path/to/cert/on/charm/container.crt"
-    >>>     def __init__(self, ...):
-    >>>         self.tracing = TracingEndpointRequirer(...)
-    >>>         self._my_endpoint, self._cert_path = charm_tracing_config(
-    ...             self.tracing, self._cert_path)
-    >>>     @property
-    >>>     def my_endpoint(self):
-    >>>         return self._my_endpoint
-    >>>     @property
-    >>>     def cert_path(self):
-    >>>         return self._cert_path
-
     """
     if not endpoint_requirer.is_ready():
         return None, None