diff --git a/.github/workflows/alpine.yml b/.github/workflows/alpine.yml
index 6e3d58667..7bfe44159 100644
--- a/.github/workflows/alpine.yml
+++ b/.github/workflows/alpine.yml
@@ -17,7 +17,6 @@ jobs:
         node:
           - 12
           - 14
-          - 15
           - 16
 
         include:
@@ -25,8 +24,6 @@ jobs:
             alpine: "3.9"
           - node: 14
             alpine: "3.10"
-          - node: 15
-            alpine: "3.10"
           - node: 16
             alpine: "3.11"
 
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index f82ae516f..981ca5f77 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -16,7 +16,6 @@ jobs:
         node:
           - 12
           - 14
-          - 15
           - 16
 
         include:
@@ -28,10 +27,6 @@ jobs:
             gcc: "gcc-6"
             gpp: "g++-6"
             os: ubuntu-18.04
-          - node: 15
-            gcc: "gcc-6"
-            gpp: "g++-6"
-            os: ubuntu-18.04
           - node: 16
             gcc: "gcc-8"
             gpp: "g++-8"
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index cadeff24a..0831d13e8 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -16,7 +16,6 @@ jobs:
         node:
           - 12
           - 14
-          - 15
           - 16
 
     steps:
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 2d4a8db89..9f754811d 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -16,7 +16,6 @@ jobs:
         node:
           - 12
           - 14
-          - 15
           - 16
 
         include:
@@ -24,8 +23,6 @@ jobs:
             os: windows-2016
           - node: 14
             os: windows-2016
-          - node: 15
-            os: windows-2019
           - node: 16
             os: windows-2019
 
diff --git a/README.md b/README.md
index f19667a70..539bdad20 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ Below is a quick guide for minimum and maximum support supported version of node
 NodeJS  | Supported node-sass version | Node Module
 --------|-----------------------------|------------
 Node 16 | 6.0+                        | 93
-Node 15 | 5.0+                        | 88
+Node 15 | 5.0+, <=6.0                 | 88
 Node 14 | 4.14+                       | 83
 Node 13 | 4.13+, <5.0                 | 79
 Node 12 | 4.12+                       | 72
diff --git a/appveyor.yml b/appveyor.yml
index 540a5f61e..fa7427eb7 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -39,9 +39,6 @@
       - nodejs_version: 14
         GYP_MSVS_VERSION: 2017
         APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
-      - nodejs_version: 15
-        GYP_MSVS_VERSION: 2019
-        APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
       - nodejs_version: 16
         GYP_MSVS_VERSION: 2019
         APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
@@ -118,9 +115,6 @@
       - nodejs_version: 14
         GYP_MSVS_VERSION: 2017
         APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
-      - nodejs_version: 15
-        GYP_MSVS_VERSION: 2019
-        APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
       - nodejs_version: 16
         GYP_MSVS_VERSION: 2019
         APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019