diff --git a/package-lock.json b/package-lock.json
index 25a6ae78..48ed79fd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "musicxml-midi",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "musicxml-midi",
-      "version": "2.2.0",
+      "version": "2.2.1",
       "hasInstallScript": true,
       "license": "GPL-3.0-only",
       "dependencies": {
@@ -17,7 +17,7 @@
         "express-fileupload": "^1.3.1",
         "morgan": "^1.10.0",
         "node-fetch": "^3.3.1",
-        "saxon-js": "2.5.0",
+        "saxon-js": "^2.5.0",
         "unzipit": "^1.4.0",
         "validate-with-xmllint": "^1.2.0",
         "xml-formatter": "^3.6.0",
@@ -1400,11 +1400,26 @@
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-      "resolved": "https://registry.npmjs.org/axios/-/axios-0.24.0.tgz",
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+      "version": "1.6.2",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-1.6.2.tgz",
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+      "dependencies": {
+        "follow-redirects": "^1.15.0",
+        "form-data": "^4.0.0",
+        "proxy-from-env": "^1.1.0"
+      }
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+    "node_modules/axios/node_modules/form-data": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.0.tgz",
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       "dependencies": {
-        "follow-redirects": "^1.14.4"
+        "asynckit": "^0.4.0",
+        "combined-stream": "^1.0.8",
+        "mime-types": "^2.1.12"
+      },
+      "engines": {
+        "node": ">= 6"
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     "node_modules/babel-jest": {
@@ -2271,9 +2286,9 @@
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-      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.4.583.tgz",
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+      "version": "1.4.585",
+      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.4.585.tgz",
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@@ -5141,11 +5156,11 @@
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     "node_modules/saxon-js": {
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-      "resolved": "https://registry.npmjs.org/saxon-js/-/saxon-js-2.5.0.tgz",
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+      "version": "2.6.0",
+      "resolved": "https://registry.npmjs.org/saxon-js/-/saxon-js-2.6.0.tgz",
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       "dependencies": {
-        "axios": "^0.24.0"
+        "axios": "^1.5.1"
       }
     },
     "node_modules/semver": {
@@ -6133,37 +6148,6 @@
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-    "node_modules/xslt3/node_modules/axios": {
-      "version": "1.6.2",
-      "resolved": "https://registry.npmjs.org/axios/-/axios-1.6.2.tgz",
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-      "dependencies": {
-        "follow-redirects": "^1.15.0",
-        "form-data": "^4.0.0",
-        "proxy-from-env": "^1.1.0"
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-    "node_modules/xslt3/node_modules/form-data": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.0.tgz",
-      "integrity": "sha512-ETEklSGi5t0QMZuiXoA/Q6vcnxcLQP5vdugSpuAyi6SVGi2clPPp+xgEhuMaHC+zGgn31Kd235W35f7Hykkaww==",
-      "dependencies": {
-        "asynckit": "^0.4.0",
-        "combined-stream": "^1.0.8",
-        "mime-types": "^2.1.12"
-      },
-      "engines": {
-        "node": ">= 6"
-      }
-    },
-    "node_modules/xslt3/node_modules/saxon-js": {
-      "version": "2.6.0",
-      "resolved": "https://registry.npmjs.org/saxon-js/-/saxon-js-2.6.0.tgz",
-      "integrity": "sha512-4dinQEGz/OQX0cnmwLTbjVFY9KciMGRyfA6AUsMCO/mKDOwDxOJFmzoLStieTpEiOB/98E1E4VKV1ElsiD88yQ==",
-      "dependencies": {
-        "axios": "^1.5.1"
-      }
-    },
     "node_modules/y18n": {
       "version": "5.0.8",
       "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz",
@@ -7290,11 +7274,25 @@
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     },
     "axios": {
-      "version": "0.24.0",
-      "resolved": "https://registry.npmjs.org/axios/-/axios-0.24.0.tgz",
-      "integrity": "sha512-Q6cWsys88HoPgAaFAVUb0WpPk0O8iTeisR9IMqy9G8AbO4NlpVknrnQS03zzF9PGAWgO3cgletO3VjV/P7VztA==",
+      "version": "1.6.2",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-1.6.2.tgz",
+      "integrity": "sha512-7i24Ri4pmDRfJTR7LDBhsOTtcm+9kjX5WiY1X3wIisx6G9So3pfMkEiU7emUBe46oceVImccTEM3k6C5dbVW8A==",
       "requires": {
-        "follow-redirects": "^1.14.4"
+        "follow-redirects": "^1.15.0",
+        "form-data": "^4.0.0",
+        "proxy-from-env": "^1.1.0"
+      },
+      "dependencies": {
+        "form-data": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.0.tgz",
+          "integrity": "sha512-ETEklSGi5t0QMZuiXoA/Q6vcnxcLQP5vdugSpuAyi6SVGi2clPPp+xgEhuMaHC+zGgn31Kd235W35f7Hykkaww==",
+          "requires": {
+            "asynckit": "^0.4.0",
+            "combined-stream": "^1.0.8",
+            "mime-types": "^2.1.12"
+          }
+        }
       }
     },
     "babel-jest": {
@@ -7924,9 +7922,9 @@
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     },
     "electron-to-chromium": {
-      "version": "1.4.583",
-      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.4.583.tgz",
-      "integrity": "sha512-93y1gcONABZ7uqYe/JWDVQP/Pj/sQSunF0HVAPdlg/pfBnOyBMLlQUxWvkqcljJg1+W6cjvPuYD+r1Th9Tn8mA==",
+      "version": "1.4.585",
+      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.4.585.tgz",
+      "integrity": "sha512-B4yBlX0azdA3rVMxpYwLQfDpdwOgcnLCkpvSOd68iFmeedo+WYjaBJS3/W58LVD8CB2nf+o7C4K9xz1l09RkWg==",
       "dev": true
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     "emittery": {
@@ -10082,11 +10080,11 @@
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     },
     "saxon-js": {
-      "version": "2.5.0",
-      "resolved": "https://registry.npmjs.org/saxon-js/-/saxon-js-2.5.0.tgz",
-      "integrity": "sha512-bdUmnW//mNha5OFYGDA/rqh+4ZuHPtYUQor8yqnOIhFb0JxD+mauFuZbp2GpEwHnTEpFTQ8OcoVFLcDxu7SXAg==",
+      "version": "2.6.0",
+      "resolved": "https://registry.npmjs.org/saxon-js/-/saxon-js-2.6.0.tgz",
+      "integrity": "sha512-4dinQEGz/OQX0cnmwLTbjVFY9KciMGRyfA6AUsMCO/mKDOwDxOJFmzoLStieTpEiOB/98E1E4VKV1ElsiD88yQ==",
       "requires": {
-        "axios": "^0.24.0"
+        "axios": "^1.5.1"
       }
     },
     "semver": {
@@ -10834,36 +10832,6 @@
       "requires": {
         "axios": "^1.5.1",
         "saxon-js": "^2.6.0"
-      },
-      "dependencies": {
-        "axios": {
-          "version": "1.6.2",
-          "resolved": "https://registry.npmjs.org/axios/-/axios-1.6.2.tgz",
-          "integrity": "sha512-7i24Ri4pmDRfJTR7LDBhsOTtcm+9kjX5WiY1X3wIisx6G9So3pfMkEiU7emUBe46oceVImccTEM3k6C5dbVW8A==",
-          "requires": {
-            "follow-redirects": "^1.15.0",
-            "form-data": "^4.0.0",
-            "proxy-from-env": "^1.1.0"
-          }
-        },
-        "form-data": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.0.tgz",
-          "integrity": "sha512-ETEklSGi5t0QMZuiXoA/Q6vcnxcLQP5vdugSpuAyi6SVGi2clPPp+xgEhuMaHC+zGgn31Kd235W35f7Hykkaww==",
-          "requires": {
-            "asynckit": "^0.4.0",
-            "combined-stream": "^1.0.8",
-            "mime-types": "^2.1.12"
-          }
-        },
-        "saxon-js": {
-          "version": "2.6.0",
-          "resolved": "https://registry.npmjs.org/saxon-js/-/saxon-js-2.6.0.tgz",
-          "integrity": "sha512-4dinQEGz/OQX0cnmwLTbjVFY9KciMGRyfA6AUsMCO/mKDOwDxOJFmzoLStieTpEiOB/98E1E4VKV1ElsiD88yQ==",
-          "requires": {
-            "axios": "^1.5.1"
-          }
-        }
       }
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     "y18n": {
diff --git a/package.json b/package.json
index fcb45fdd..5caea68e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "musicxml-midi",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "description": "MusicXML to MIDI converter",
   "type": "module",
   "directories": {
@@ -52,7 +52,7 @@
     "express-fileupload": "^1.3.1",
     "morgan": "^1.10.0",
     "node-fetch": "^3.3.1",
-    "saxon-js": "2.5.0",
+    "saxon-js": "^2.5.0",
     "unzipit": "^1.4.0",
     "validate-with-xmllint": "^1.2.0",
     "xml-formatter": "^3.6.0",
@@ -73,6 +73,9 @@
     "transform": {},
     "coveragePathIgnorePatterns": [
       "/node_modules/"
-    ]
+    ],
+    "moduleNameMapper": {
+      "^axios$": "<rootDir>/test/axios.cjs"
+    }
   }
 }
diff --git a/test/axios.cjs b/test/axios.cjs
new file mode 100644
index 00000000..314de1a0
--- /dev/null
+++ b/test/axios.cjs
@@ -0,0 +1 @@
+module.exports = require('../node_modules/axios/dist/node/axios.cjs')