diff --git a/packages/did-auth-siop-op-authenticator/package.json b/packages/did-auth-siop-op-authenticator/package.json
index 51937421e..c6753bf00 100644
--- a/packages/did-auth-siop-op-authenticator/package.json
+++ b/packages/did-auth-siop-op-authenticator/package.json
@@ -17,6 +17,7 @@
     "@sphereon/pex": "2.0.0-unstable.6",
     "@sphereon/ssi-sdk-core": "^0.8.0",
     "@sphereon/ssi-types": "^0.8.0",
+    "@sphereon/ssi-sdk-did-utils": "^0.8.0",
     "@veramo/credential-w3c": "4.2.0",
     "@veramo/core": "4.2.0",
     "cross-fetch": "^3.1.5",
diff --git a/packages/did-auth-siop-op-authenticator/tsconfig.json b/packages/did-auth-siop-op-authenticator/tsconfig.json
index 8690ecd3c..798154499 100644
--- a/packages/did-auth-siop-op-authenticator/tsconfig.json
+++ b/packages/did-auth-siop-op-authenticator/tsconfig.json
@@ -5,5 +5,5 @@
     "outDir": "dist",
     "declarationDir": "dist"
   },
-  "references": [{ "path": "../ssi-types" }, { "path": "../ssi-sdk-core" }]
+  "references": [{ "path": "../ssi-types" }, { "path": "../ssi-sdk-core" }, { "path": "../did-utils" }]
 }