diff --git a/tool/deploy.sh b/tool/deploy.sh
index 3dcb99e5..5715fe6e 100755
--- a/tool/deploy.sh
+++ b/tool/deploy.sh
@@ -3,18 +3,13 @@
 # license that can be found in the LICENSE file or at
 # https://opensource.org/licenses/MIT.
 
-echo decrypting npmrc
-openssl aes-256-cbc -K $encrypted_d18df560dfb2_key -iv $encrypted_d18df560dfb2_iv \
-        -in tool/encrypted/npmrc.enc -out ~/.npmrc -d
+openssl aes-256-cbc -K $encrypted_d18df560dfb2_key -iv $encrypted_d18df560dfb2_iv -in tool/encrypted/credentials.tar.enc \
+    -out credentials.tar -d
 
 mkdir -p ~/.pub-cache
-echo decrypting pub credentials
-openssl aes-256-cbc -K $encrypted_d18df560dfb2_key -iv $encrypted_d18df560dfb2_iv \
-        -in tool/encrypted/pub-credentials.json.enc -out ~/.pub-cache/credentials.json -d
-
-echo decrypting git credentials
-openssl aes-256-cbc -K $encrypted_d18df560dfb2_key -iv $encrypted_d18df560dfb2_iv \
-        -in tool/encrypted/git-credentials.enc -out ~/.git-credentials -d
+tar xfO credentials.tar npm > ~/.npmrc
+tar xfO credentials.tar pub > ~/.pub-cache/credentials.json
+tar xfO credentials.tar git > ~/.git-credentials
 
 function travis_cmd() {
   echo "\$ $@"
diff --git a/tool/encrypted/credentials.tar.enc b/tool/encrypted/credentials.tar.enc
new file mode 100644
index 00000000..dae1ccb1
Binary files /dev/null and b/tool/encrypted/credentials.tar.enc differ
diff --git a/tool/encrypted/npmrc.enc b/tool/encrypted/npmrc.enc
index fe55fa7a..4ea654c0 100644
--- a/tool/encrypted/npmrc.enc
+++ b/tool/encrypted/npmrc.enc
@@ -1 +1 @@
-c��i�P���ڋg����^�a�5��˧Ap����!
~�f\ྉ.����\��u%����cD��U4��)O
\ No newline at end of file
+~͐^M�ʷ��:˯�2<9M��_���j� 'V��a��2�N�uh��N��O�!���*}�ކ�#x�e��\c�9��
\ No newline at end of file
diff --git a/tool/encrypted/pub-credentials.json.enc b/tool/encrypted/pub-credentials.json.enc
index de50fb1f..b50f91cc 100644
Binary files a/tool/encrypted/pub-credentials.json.enc and b/tool/encrypted/pub-credentials.json.enc differ