diff --git a/package-lock.json b/package-lock.json
index 9e58fa2..79a996f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
     "name": "pegjs-language",
-    "version": "1.0.3",
+    "version": "1.0.4",
     "lockfileVersion": 1,
     "requires": true,
     "dependencies": {
@@ -28,9 +28,9 @@
             "integrity": "sha1-z4uvrm7d/0tafvsYUmnqr0YQ3b0="
         },
         "semver": {
-            "version": "6.3.0",
-            "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
-            "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw=="
+            "version": "6.3.1",
+            "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.1.tgz",
+            "integrity": "sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA=="
         },
         "typescript": {
             "version": "4.0.3",