diff --git a/packages/js-crypto-ec/package.json b/packages/js-crypto-ec/package.json
index 1687c5b2..19443e19 100644
--- a/packages/js-crypto-ec/package.json
+++ b/packages/js-crypto-ec/package.json
@@ -33,7 +33,7 @@
   "dependencies": {
     "asn1.js": "~5.4.1",
     "buffer": "~6.0.0",
-    "elliptic": "~6.5.0",
+    "elliptic": "~6.6.0",
     "js-crypto-env": "^1.0.5",
     "js-crypto-hash": "^1.0.7",
     "js-crypto-key-utils": "^1.0.7",
diff --git a/packages/js-crypto-key-utils/package.json b/packages/js-crypto-key-utils/package.json
index 0a0213b6..11a0ae12 100644
--- a/packages/js-crypto-key-utils/package.json
+++ b/packages/js-crypto-key-utils/package.json
@@ -48,7 +48,7 @@
     "asn1.js": "~5.4.1",
     "buffer": "~6.0.0",
     "des.js": "~1.1.0",
-    "elliptic": "~6.5.0",
+    "elliptic": "~6.6.0",
     "js-crypto-aes": "^1.0.6",
     "js-crypto-hash": "^1.0.7",
     "js-crypto-pbkdf": "^1.0.7",