diff --git a/gradle.properties b/gradle.properties
index bc1f8a0e2edb13853946e2aa5850530248f86af8..b71523789e4ad77920474381301812fe0680c398 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -10,7 +10,7 @@ micronautRxVersion = 2.1.1
 micronautPluginVersion = 3.1.1
 nodePluginVersion = 3.0.1
 nodeVersion = 16.3.0
-nshmpLibVersion = 0.9.10
+nshmpLibVersion = 0.9.11
 nshmpWsUtilsVersion = 0.1.7
 shadowVersion = 7.1.2
 spotbugsVersion = 4.7.0
diff --git a/src/main/java/gov/usgs/earthquake/nshmp/HazardCalc.java b/src/main/java/gov/usgs/earthquake/nshmp/HazardCalc.java
index f9fc796fbefee6dd8db5e1158aa7af9a481219e7..d893b3a1cde014bdef1c675e5de203311111e237 100644
--- a/src/main/java/gov/usgs/earthquake/nshmp/HazardCalc.java
+++ b/src/main/java/gov/usgs/earthquake/nshmp/HazardCalc.java
@@ -12,7 +12,6 @@ import java.util.Arrays;
 import java.util.List;
 import java.util.Optional;
 import java.util.OptionalDouble;
-import java.util.concurrent.ExecutionException;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.ThreadPoolExecutor;
@@ -177,7 +176,7 @@ public class HazardCalc {
       CalcConfig config,
       List<Site> sites,
       Path out,
-      Logger log) throws IOException, InterruptedException, ExecutionException {
+      Logger log) throws IOException {
 
     int threadCount = config.performance.threadCount.value();
     final ExecutorService exec = initExecutor(threadCount);