diff --git a/package.json b/package.json
index be3e20a..01a4b54 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "@types/uuid": "^9.0.0",
     "@typescript-eslint/eslint-plugin": "^4.20.0",
     "@typescript-eslint/parser": "^4.33.0",
-    "didcomm": "0.3.4",
+    "didcomm": "0.4.0",
     "eslint": "^7.14.0",
     "eslint-import-resolver-typescript": "^3.5.2",
     "eslint-plugin-import": "^2.26.0",
diff --git a/yarn.lock b/yarn.lock
index c96322c..894dd4a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2483,10 +2483,10 @@ destroy@1.2.0:
   resolved "https://registry.yarnpkg.com/destroy/-/destroy-1.2.0.tgz#4803735509ad8be552934c67df614f94e66fa015"
   integrity sha512-2sJGJTaXIIaR1w4iJSNoN0hnMY7Gpc/n8D4qSCJw8QqFWXf7cuAgnEHxBpweaVcPevC2l3KpjYCx3NypQQgaJg==
 
-didcomm@0.3.4:
-  version "0.3.4"
-  resolved "https://registry.yarnpkg.com/didcomm/-/didcomm-0.3.4.tgz#8c81ac39966cafd0483743db59affc95b2b20c00"
-  integrity sha512-jGZduR98a5tR5Mh5xuwHG8ZT1w9xHpBUzCOl2Beqylk46aJ6fBD385NbcMNcPxqgVEXZ5fuOC3TQFXvp385PzA==
+didcomm@0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/didcomm/-/didcomm-0.4.0.tgz#8e0e013d77abd2592c64d0a32c936ed7365d8c2a"
+  integrity sha512-SnRuvIElXu8RuD+cbl0F78DmR2n+6v1WtaXnnFoUggVfJJjKkyflTCHxhkzOFRjpPdyRxeoRWh878uZbVUM/Hw==
 
 diff@^4.0.1:
   version "4.0.2"