diff --git a/solidity/truffle-examples/bitcoin-balance/package-lock.json b/solidity/truffle-examples/bitcoin-balance/package-lock.json
index 47a2ddc7..31138df4 100644
--- a/solidity/truffle-examples/bitcoin-balance/package-lock.json
+++ b/solidity/truffle-examples/bitcoin-balance/package-lock.json
@@ -4,16 +4,3230 @@
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       "requires": {
-        "camelcase": "^4.1.0"
+        "camelcase": "^6.0.0",
+        "decamelize": "^4.0.0",
+        "flat": "^5.0.2",
+        "is-plain-obj": "^2.1.0"
+      },
+      "dependencies": {
+        "is-plain-obj": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/is-plain-obj/-/is-plain-obj-2.1.0.tgz",
+          "integrity": "sha512-YWnfyRwxL/+SsrWYfOpUtz5b3YD+nyfkHvjbcanzk8zgyO4ASD67uVMRt8k5bM4lLMDnXfriRhOpemw+NfT1eA=="
+        }
       }
     },
     "yauzl": {
@@ -3950,6 +10009,11 @@
         "buffer-crc32": "~0.2.3",
         "fd-slicer": "~1.1.0"
       }
+    },
+    "yocto-queue": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",
+      "integrity": "sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q=="
     }
   }
 }
diff --git a/solidity/truffle-examples/bitcoin-balance/package.json b/solidity/truffle-examples/bitcoin-balance/package.json
index 7f5bc05e..5dd7d911 100644
--- a/solidity/truffle-examples/bitcoin-balance/package.json
+++ b/solidity/truffle-examples/bitcoin-balance/package.json
@@ -18,7 +18,7 @@
   "homepage": "https://github.com/n/a#readme",
   "dependencies": {
     "ethereum-bridge": "0.6.2",
-    "truffle": "5.0.6",
+    "truffle": "5.7.8",
     "web3": "1.0.0-beta.36"
   }
 }