diff --git a/javascript/src/utilities/signingUtilities.js b/javascript/src/utilities/signingUtilities.js
index 1c94f7c2e78603e7e6cad83cb40dd7a5887b28eb..a485507843de074658285b8fb1dc5a12fd27e222 100644
--- a/javascript/src/utilities/signingUtilities.js
+++ b/javascript/src/utilities/signingUtilities.js
@@ -397,7 +397,7 @@ function createCertificate(certData, issuerData = null) {
   sequence = sequence.then(
     () =>
       crypto.digest(
-        { name: "SHA-1" },
+        { name: "SHA-256" },
         certificate.subjectPublicKeyInfo.subjectPublicKey.valueBlock.valueHex
       ),
     error => Promise.reject(`Error during importing public key: ${error}`)