diff --git a/package-lock.json b/package-lock.json
index 82725cb..d910308 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,19 +1,19 @@
 {
   "name": "drachtio-fsmrf",
-  "version": "3.0.45",
+  "version": "4.0.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "drachtio-fsmrf",
-      "version": "3.0.45",
+      "version": "4.0.0",
       "license": "MIT",
       "dependencies": {
         "camel-case": "^4.1.2",
         "debug": "^2.6.9",
         "delegates": "^0.1.0",
         "drachtio-modesl": "^1.2.9",
-        "drachtio-srf": "^4.5.38",
+        "drachtio-srf": "^5.0.0",
         "only": "^0.0.2",
         "sdp-transform": "^2.14.1",
         "snake-case": "^3.0.4",
@@ -1366,9 +1366,9 @@
       }
     },
     "node_modules/drachtio-srf": {
-      "version": "4.5.38",
-      "resolved": "https://registry.npmjs.org/drachtio-srf/-/drachtio-srf-4.5.38.tgz",
-      "integrity": "sha512-dEafgn1OPfkc30Gq3JwJBF4Q7O96fsuqMnE2OO1NqRG0DkwworMIPsusWDo0ePbi+NH74rMjLPmVyC/owA0HXg==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/drachtio-srf/-/drachtio-srf-5.0.0.tgz",
+      "integrity": "sha512-Kq0YC5n2EOI9/dF+/s9mnfvJPMYvnv9i8mCh4VqhNDolBrkWMKw1/4H11LUOycC13XpXh0dxfNBQf9sr9upS3g==",
       "dependencies": {
         "debug": "^3.2.7",
         "delegates": "^0.1.0",
@@ -5348,9 +5348,9 @@
       }
     },
     "drachtio-srf": {
-      "version": "4.5.38",
-      "resolved": "https://registry.npmjs.org/drachtio-srf/-/drachtio-srf-4.5.38.tgz",
-      "integrity": "sha512-dEafgn1OPfkc30Gq3JwJBF4Q7O96fsuqMnE2OO1NqRG0DkwworMIPsusWDo0ePbi+NH74rMjLPmVyC/owA0HXg==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/drachtio-srf/-/drachtio-srf-5.0.0.tgz",
+      "integrity": "sha512-Kq0YC5n2EOI9/dF+/s9mnfvJPMYvnv9i8mCh4VqhNDolBrkWMKw1/4H11LUOycC13XpXh0dxfNBQf9sr9upS3g==",
       "requires": {
         "debug": "^3.2.7",
         "delegates": "^0.1.0",
diff --git a/package.json b/package.json
index c9b7d53..ba9ca20 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "drachtio-fsmrf",
-  "version": "3.0.45",
+  "version": "4.0.0",
   "description": "freeswitch-based media resource function for drachtio",
   "main": "lib/mrf.js",
   "scripts": {
@@ -26,7 +26,7 @@
     "debug": "^2.6.9",
     "delegates": "^0.1.0",
     "drachtio-modesl": "^1.2.9",
-    "drachtio-srf": "^4.5.38",
+    "drachtio-srf": "^5.0.0",
     "only": "^0.0.2",
     "sdp-transform": "^2.14.1",
     "snake-case": "^3.0.4",