diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 364e5765..7e9b0048 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -47,7 +47,7 @@ jobs:
 
       - name: Build site
         if: github.ref != 'refs/heads/master'
-        run: npm run build
+        run: npm run build:prod
 
       - name: Build site and deploy to gh-pages
         if: github.ref == 'refs/heads/master'
diff --git a/package-lock.json b/package-lock.json
index f522f291..a496e8f4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1142,6 +1142,28 @@
       "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
       "dev": true
     },
+    "cross-env": {
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/cross-env/-/cross-env-5.2.1.tgz",
+      "integrity": "sha512-1yHhtcfAd1r4nwQgknowuUNfIT9E8dOMMspC36g45dN+iD1blloi7xp8X/xAIDnjHWyt1uQ8PHk2fkNaym7soQ==",
+      "dev": true,
+      "requires": {
+        "cross-spawn": "^6.0.5"
+      }
+    },
+    "cross-spawn": {
+      "version": "6.0.5",
+      "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
+      "integrity": "sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==",
+      "dev": true,
+      "requires": {
+        "nice-try": "^1.0.4",
+        "path-key": "^2.0.1",
+        "semver": "^5.5.0",
+        "shebang-command": "^1.2.0",
+        "which": "^1.2.9"
+      }
+    },
     "d": {
       "version": "1.0.0",
       "resolved": "http://registry.npmjs.org/d/-/d-1.0.0.tgz",
@@ -2545,6 +2567,12 @@
       "integrity": "sha1-yobR/ogoFpsBICCOPchCS524NCw=",
       "dev": true
     },
+    "nice-try": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/nice-try/-/nice-try-1.0.5.tgz",
+      "integrity": "sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ==",
+      "dev": true
+    },
     "normalize-package-data": {
       "version": "2.4.0",
       "resolved": "https://registry.npmjs.org/normalize-package-data/-/normalize-package-data-2.4.0.tgz",
@@ -2790,6 +2818,12 @@
       "integrity": "sha1-NlQX3t5EQw0cEa9hAn+s8HS9/FM=",
       "dev": true
     },
+    "path-key": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/path-key/-/path-key-2.0.1.tgz",
+      "integrity": "sha1-QRyttXTFoUDTpLGRDUDYDMn0C0A=",
+      "dev": true
+    },
     "path-parse": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/path-parse/-/path-parse-1.0.6.tgz",
@@ -3150,6 +3184,21 @@
         }
       }
     },
+    "shebang-command": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-1.2.0.tgz",
+      "integrity": "sha1-RKrGW2lbAzmJaMOfNj/uXer98eo=",
+      "dev": true,
+      "requires": {
+        "shebang-regex": "^1.0.0"
+      }
+    },
+    "shebang-regex": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/shebang-regex/-/shebang-regex-1.0.0.tgz",
+      "integrity": "sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM=",
+      "dev": true
+    },
     "snapdragon": {
       "version": "0.8.2",
       "resolved": "https://registry.npmjs.org/snapdragon/-/snapdragon-0.8.2.tgz",
diff --git a/package.json b/package.json
index 3b879076..830b9bc8 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,8 @@
   "scripts": {
     "build": "gulp build && jekyll build",
     "build:watch": "gulp build && jekyll serve --watch --host=0.0.0.0",
-    "deploy": "npm run build && gh-pages --dotfiles --dist _site"
+    "build:prod": "cross-env JEKYLL_ENV=production gulp build && jekyll build",
+    "deploy": "npm run build:prod && gh-pages --dotfiles --dist _site"
   },
   "devDependencies": {
     "bootstrap-sass": "3.4.1",
@@ -15,6 +16,7 @@
     "gulp": "^4.0.0",
     "jquery": "3.4.1",
     "lunr": "0.7.1",
-    "merge-stream": "1.0.1"
+    "merge-stream": "1.0.1",
+    "cross-env": "^5.2.0"
   }
 }