diff --git a/.github/workflows/browserstack.yml b/.github/workflows/browserstack.yml
index ea0a25704..f9b25a231 100644
--- a/.github/workflows/browserstack.yml
+++ b/.github/workflows/browserstack.yml
@@ -5,7 +5,7 @@ on:
 
 env:
   FORCE_COLOR: 2
-  NODE: 14.x
+  NODE: 15.x
 
 jobs:
   browserstack:
diff --git a/.github/workflows/bundlewatch.yml b/.github/workflows/bundlewatch.yml
index 989991f0d..d43876799 100644
--- a/.github/workflows/bundlewatch.yml
+++ b/.github/workflows/bundlewatch.yml
@@ -8,7 +8,7 @@ on:
 
 env:
   FORCE_COLOR: 2
-  NODE: 14.x
+  NODE: 15.x
 
 jobs:
   bundlewatch:
diff --git a/.github/workflows/css.yml b/.github/workflows/css.yml
index 4463d52f4..5dfb1f865 100644
--- a/.github/workflows/css.yml
+++ b/.github/workflows/css.yml
@@ -8,7 +8,7 @@ on:
 
 env:
   FORCE_COLOR: 2
-  NODE: 14.x
+  NODE: 15.x
 
 jobs:
   css:
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index cda6f7748..126f62e70 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -8,7 +8,7 @@ on:
 
 env:
   FORCE_COLOR: 2
-  NODE: 14.x
+  NODE: 15.x
 
 jobs:
   docs:
diff --git a/.github/workflows/js.yml b/.github/workflows/js.yml
index c56a2dfdd..75fe9c82b 100644
--- a/.github/workflows/js.yml
+++ b/.github/workflows/js.yml
@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node: [10, 12, 14]
+        node: [10, 12, 14, 15]
 
     steps:
       - name: Clone repository
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index e7a55083d..495e1ba40 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -8,7 +8,7 @@ on:
 
 env:
   FORCE_COLOR: 2
-  NODE: 14.x
+  NODE: 15.x
 
 jobs:
   lint:
diff --git a/.github/workflows/node-sass.yml b/.github/workflows/node-sass.yml
index 285d4bcc8..d48bffa43 100644
--- a/.github/workflows/node-sass.yml
+++ b/.github/workflows/node-sass.yml
@@ -8,7 +8,7 @@ on:
 
 env:
   FORCE_COLOR: 2
-  NODE: 14.x
+  NODE: 15.x
 
 jobs:
   css: