diff --git a/net.solarnetwork.node.datum.filter.pvlib/def/requirements.txt b/net.solarnetwork.node.datum.filter.pvlib/def/requirements.txt
index ab87e309e..e147a05a3 100644
--- a/net.solarnetwork.node.datum.filter.pvlib/def/requirements.txt
+++ b/net.solarnetwork.node.datum.filter.pvlib/def/requirements.txt
@@ -1,7 +1,7 @@
 certifi==2024.8.30
 charset-normalizer==3.4.0
 h5py==3.12.1
-idna==3.10
+idna==3.15
 numpy==2.1.3
 pandas==2.2.3
 pvlib==0.11.1
diff --git a/net.solarnetwork.node.io.dnp3/README.md b/net.solarnetwork.node.io.dnp3/README.md
index 259d63db0..2d819e957 100644
--- a/net.solarnetwork.node.io.dnp3/README.md
+++ b/net.solarnetwork.node.io.dnp3/README.md
@@ -70,7 +70,7 @@ See the [Outstation README](./README-Outstation.md) document for more details.
 
 # OpenDNP3 Shared library
 
-SolarNode must be able to find the OpenDNP3 `libopendnp3java` shared library at runtime.
+SolarNode must be able to find the [OpenDNP3](https://github.com/dnp3/opendnp3) `libopendnp3java` shared library at runtime.
 If this is not available in a standard location, add the appropriate path to the `java.library.path`
 system property. For example, pass the following argument to the JVM: