diff --git a/package.json b/package.json
index 41e3a6e..500eabd 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   "scripts": {
     "build": "npm i && node_modules/.bin/tsc -p tsconfig.release.json",
     "build:pack": "npm prune --production && rm -rf lib && npm install && node_modules/.bin/tsc -p tsconfig.release.json && npm pack && npm install",
-    "build:release": "npm install --production && npm install --no-save typescript firebase-functions firebase-admin && node_modules/.bin/tsc -p tsconfig.release.json",
+    "build:release": "npm ci --production && npm install --no-save typescript firebase-functions firebase-admin && node_modules/.bin/tsc -p tsconfig.release.json",
     "lint": "node_modules/.bin/tslint src/{**/*,*}.ts spec/{**/*,*}.ts",
     "pretest": "node_modules/.bin/tsc",
     "test": "mocha .tmp/spec/index.spec.js",
diff --git a/scripts/publish.sh b/scripts/publish.sh
index 7d9cb33..7f87a0b 100644
--- a/scripts/publish.sh
+++ b/scripts/publish.sh
@@ -74,9 +74,9 @@ if [ ! -s CHANGELOG.md ]; then
 fi
 echo "Made sure there is a changelog."
 
-echo "Running npm install..."
-npm install
-echo "Ran npm install."
+echo "Running npm ci..."
+npm ci
+echo "Ran npm ci."
 
 echo "Running tests..."
 npm test