diff --git a/package-lock.json b/package-lock.json
index 03a1d00597a25072a00cbbbdb8396015d29c8d8a..48c78345f39b1ab1160b5219f0341495ee7a0910 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21,7 +21,7 @@
         "@asymmetrik/ngx-leaflet": "^18.0.1",
         "@compodoc/compodoc": "^1.1.25",
         "@ghsc/disagg-d3": "^0.13.0",
-        "@ghsc/nshmp-lib-ng": "^18.17.0",
+        "@ghsc/nshmp-lib-ng": "^18.18.1",
         "@ghsc/nshmp-template": "^18.0.3",
         "@ghsc/nshmp-utils-ts": "^3.9.0",
         "angular-plotly.js": "^6.0.0",
@@ -4282,9 +4282,9 @@
       }
     },
     "node_modules/@ghsc/nshmp-lib-ng": {
-      "version": "18.17.0",
-      "resolved": "https://code.usgs.gov/api/v4/projects/12416/packages/npm/@ghsc/nshmp-lib-ng/-/@ghsc/nshmp-lib-ng-18.17.0.tgz",
-      "integrity": "sha1-6X44J/NwS9BSWX2mdZi0AjAdB88=",
+      "version": "18.18.1",
+      "resolved": "https://code.usgs.gov/api/v4/projects/12416/packages/npm/@ghsc/nshmp-lib-ng/-/@ghsc/nshmp-lib-ng-18.18.1.tgz",
+      "integrity": "sha1-dlyB+BRi7LuTntHO4wjXRNrrlT0=",
       "dependencies": {
         "tslib": "^2.3.0"
       },
diff --git a/package.json b/package.json
index f8065521b7b9f67fd3fce66c51f7fc3d1429c46f..ad909d8db854ac6ca440716d29c623796ae37b5f 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "@asymmetrik/ngx-leaflet": "^18.0.1",
     "@compodoc/compodoc": "^1.1.25",
     "@ghsc/disagg-d3": "^0.13.0",
-    "@ghsc/nshmp-lib-ng": "^18.17.0",
+    "@ghsc/nshmp-lib-ng": "^18.18.1",
     "@ghsc/nshmp-template": "^18.0.3",
     "@ghsc/nshmp-utils-ts": "^3.9.0",
     "angular-plotly.js": "^6.0.0",