diff --git a/.travis.yml b/.travis.yml
index 737a8ff..7eb3dfb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,6 +10,6 @@ install:
 script:
 - sh bootstrap.sh
 - ID=$(xxd -p canisters/profile/_canister.id)
-- CRC=$(python -c "import crc8;h=crc8.crc8();h.update('$ID'.decode('hex'));print(h.hexdigest())")
-- wget -O index.html http://127.0.0.1:8000/?canisterId=ic:$ID$CRC
+- CRC=$(python2 -c "import crc8;h=crc8.crc8();h.update('$ID'.decode('hex'));print(h.hexdigest())")
+- wget -O index.html http://127.0.0.1:8000/?canisterId=ic:$ID$CRC 
 - cat index.html
diff --git a/Dockerfile b/Dockerfile
index a77037d..b4fcfb6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -19,7 +19,7 @@ RUN sudo apt-get install -y nodejs
 
 # Install DFINITY SDK.
 RUN wget https://sdk.dfinity.org/install.sh -O /tmp/install-sdk.sh
-RUN DFX_VERSION=0.4.12 sh -c 'yes Y | sh /tmp/install-sdk.sh'
+RUN DFX_VERSION=0.4.13 sh -c 'yes Y | sh /tmp/install-sdk.sh'
 ENV PATH /home/developer/bin:${PATH}
 
 # Create workspace directory.
diff --git a/README.md b/README.md
index a63c42a..458b5f2 100644
--- a/README.md
+++ b/README.md
@@ -17,9 +17,9 @@ docker run \
     dfinity-lab/linkedup sh bootstrap.sh
 ```
 
-Open the canister in your web browser.
+Open the canister frontend in your web browser.
 ```bash
-ID=$(xxd -p canisters/index/_canister.id)
-CRC=$(python -c "import crc8;h=crc8.crc8();h.update('$ID'.decode('hex'));print(h.hexdigest())")
-xdg-open "http://127.0.0.1:8000/?canisterId=$ID$CRC"
+ID=$(xxd -u -p canisters/profile/_canister.id)
+CRC=$(python2 -c "import crc8;h=crc8.crc8();h.update('$ID'.decode('hex'));print(h.hexdigest())")
+xdg-open "http://127.0.0.1:8000/?canisterId=ic:$ID$CRC"
 ```
diff --git a/package-lock.json b/package-lock.json
index bf93645..599561b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -623,20 +623,16 @@
             "integrity": "sha512-5ZvAxd05HDDU+y9BVvcqYu2LLXmPnQ0hW62h32g4xBTgL/MppR4/04NHfj/ycM2y6lmTnbw6HVi+1eN0Psba6w==",
             "dev": true,
             "requires": {
-                "chownr": "^1.1.2",
+                "bluebird": "^3.5.5",
+                "chownr": "^1.1.1",
                 "figgy-pudding": "^3.5.1",
-                "fs-minipass": "^2.0.0",
                 "glob": "^7.1.4",
-                "graceful-fs": "^4.2.2",
-                "infer-owner": "^1.0.4",
+                "graceful-fs": "^4.1.15",
+                "infer-owner": "^1.0.3",
                 "lru-cache": "^5.1.1",
-                "minipass": "^3.0.0",
-                "minipass-collect": "^1.0.2",
-                "minipass-flush": "^1.0.5",
-                "minipass-pipeline": "^1.2.2",
+                "mississippi": "^3.0.0",
                 "mkdirp": "^0.5.1",
                 "move-concurrently": "^1.0.1",
-                "p-map": "^3.0.0",
                 "promise-inflight": "^1.0.1",
                 "rimraf": "^2.7.1",
                 "ssri": "^7.0.0",
@@ -3936,7 +3932,7 @@
             "integrity": "sha512-MjqsvNwyz1s0k81Goz/9vRBe9SZdB09Bdw+/zYyO+3CuPk6fouTaxscHkgtE8jKvf01kVfl8riHzERQ/kefaSA==",
             "dev": true,
             "requires": {
-                "atob": "^2.1.1",
+                "atob": "^2.1.2",
                 "decode-uri-component": "^0.2.0",
                 "resolve-url": "^0.2.1",
                 "source-map-url": "^0.4.0",
diff --git a/src/profile/public/.DS_Store b/src/profile/public/.DS_Store
deleted file mode 100644
index 5008ddf..0000000
Binary files a/src/profile/public/.DS_Store and /dev/null differ