diff --git a/cadc-sia/build.gradle b/cadc-sia/build.gradle
index d3594046..a855ebbd 100644
--- a/cadc-sia/build.gradle
+++ b/cadc-sia/build.gradle
@@ -15,17 +15,15 @@ sourceCompatibility = 11
 
 group = 'org.opencadc'
 
-version = '1.1.15'
+version = '1.1.16'
 
 description = 'OpenCADC SIA server library'
 def git_url = 'https://github.com/opencadc/dal'
 
 dependencies {
-    implementation 'org.jdom:jdom2:[2.0,)'
-
     api 'org.opencadc:cadc-dali:[1.2.4,)'
     implementation 'org.opencadc:cadc-registry:[1.5.0,)'
-    implementation 'org.opencadc:cadc-util:[1.6,)'
+    api 'org.opencadc:cadc-util:[1.6,)'
     api 'org.opencadc:cadc-rest:[1.4.5,)'
     api 'org.opencadc:cadc-uws:[1.0,)'
     api 'org.opencadc:cadc-uws-server:[1.2,)'
diff --git a/cadc-sia/src/main/java/ca/nrc/cadc/sia2/impl/ServiceAvailability.java b/cadc-sia/src/main/java/ca/nrc/cadc/sia2/impl/ServiceAvailability.java
index ed1eade0..79a37a4d 100644
--- a/cadc-sia/src/main/java/ca/nrc/cadc/sia2/impl/ServiceAvailability.java
+++ b/cadc-sia/src/main/java/ca/nrc/cadc/sia2/impl/ServiceAvailability.java
@@ -75,6 +75,8 @@
 import ca.nrc.cadc.reg.client.RegistryClient;
 import ca.nrc.cadc.sia2.SiaRunner;
 import ca.nrc.cadc.util.FileUtil;
+import ca.nrc.cadc.util.InvalidConfigException;
+import ca.nrc.cadc.util.MultiValuedProperties;
 import ca.nrc.cadc.util.PropertiesReader;
 import ca.nrc.cadc.vosi.Availability;
 import ca.nrc.cadc.vosi.AvailabilityPlugin;
@@ -94,7 +96,7 @@
 public class ServiceAvailability implements AvailabilityPlugin {
 
     private static final Logger log = Logger.getLogger(ServiceAvailability.class);
-    private static final String CONFIG_FILE_NAME = SiaRunner.class.getSimpleName() + ".properties";
+    private static final String CONFIG_FILE_NAME = "sia.properties";
     private static final String CONFIG_TAP_URI_KEY = "tapURI";
 
     private String applicationName;
@@ -190,16 +192,13 @@ public static String getTapURI() {
     }
 
     private static String getTapURIProperty() throws IOException {
-        // Try to get from a file on disk first.
         final PropertiesReader propertiesReader = new PropertiesReader(CONFIG_FILE_NAME);
-
-        if (propertiesReader.canRead()) {
-            return propertiesReader.getFirstPropertyValue(CONFIG_TAP_URI_KEY);
-        } else {
-            URL url = FileUtil.getURLFromResource(CONFIG_FILE_NAME, ServiceAvailability.class);
-            Properties props = new Properties();
-            props.load(url.openStream());
-            return props.getProperty(CONFIG_TAP_URI_KEY);
-        }
+        MultiValuedProperties mvp = propertiesReader.getAllProperties();
+        String ret = mvp.getFirstPropertyValue(CONFIG_TAP_URI_KEY);
+        log.warn("found tapURI: " + ret);
+        if (ret != null) {
+            return ret;
+        } 
+        throw new InvalidConfigException("not found/readable: " + CONFIG_FILE_NAME);
     }
 }