diff --git a/Dockerfile b/Dockerfile
index be51ee1ed..cc7aa4b57 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,10 @@ COPY . /home/plasma-contracts
 WORKDIR /home/plasma-contracts/plasma_framework
 
 RUN rm -Rf ./node_modules
+RUN rm -Rf ./build
 
 RUN npm install
 
+RUN npx truffle version
+
 RUN npx truffle compile
diff --git a/plasma_framework/truffle-config.js b/plasma_framework/truffle-config.js
index 46486a4b2..44eae44f4 100644
--- a/plasma_framework/truffle-config.js
+++ b/plasma_framework/truffle-config.js
@@ -25,7 +25,7 @@ module.exports = {
             // https://github.com/trufflesuite/truffle/issues/852#issuecomment-522367001
             // Using 0's as private key because it'll throw an error if the private keys
             // are undefined as this is instanciating a class....
-            provider: new HDWalletProvider(
+            provider: () => new HDWalletProvider(
                 [
                     process.env.DEPLOYER_PRIVATEKEY || '0'.repeat(64),
                     process.env.MAINTAINER_PRIVATEKEY || '0'.repeat(64),