diff --git a/.docker/brave/policies.json b/.docker/brave/policies.json
index 786c2b1..1c46099 100644
--- a/.docker/brave/policies.json
+++ b/.docker/brave/policies.json
@@ -26,11 +26,11 @@
   ],
   "ExtensionInstallForcelist": [
       "cjpalhdlnbpafiamejdnhcphjbkeiagm;https://clients2.google.com/service/update2/crx",
-      "fjoaledfpmneenckfbpdfhkmimnjocfa;https://clients2.google.com/service/update2/crx"
+      "mnjggcdmjocbbbhaepdhchncahnbgone;https://clients2.google.com/service/update2/crx"
   ],
   "ExtensionInstallWhitelist": [
       "cjpalhdlnbpafiamejdnhcphjbkeiagm",
-      "fjoaledfpmneenckfbpdfhkmimnjocfa"
+      "mnjggcdmjocbbbhaepdhchncahnbgone"
   ],
   "ExtensionInstallBlacklist": [
       "*"
diff --git a/.docker/chromium/policies.json b/.docker/chromium/policies.json
index 35b6f7f..3ab77b1 100644
--- a/.docker/chromium/policies.json
+++ b/.docker/chromium/policies.json
@@ -27,11 +27,11 @@
   ],
   "ExtensionInstallForcelist": [
       "cjpalhdlnbpafiamejdnhcphjbkeiagm;https://clients2.google.com/service/update2/crx",
-      "fjoaledfpmneenckfbpdfhkmimnjocfa;https://clients2.google.com/service/update2/crx"
+      "mnjggcdmjocbbbhaepdhchncahnbgone;https://clients2.google.com/service/update2/crx"
   ],
   "ExtensionInstallWhitelist": [
       "cjpalhdlnbpafiamejdnhcphjbkeiagm",
-      "fjoaledfpmneenckfbpdfhkmimnjocfa"
+      "mnjggcdmjocbbbhaepdhchncahnbgone"
   ],
   "ExtensionInstallBlacklist": [
       "*"
diff --git a/.docker/firefox/Dockerfile.arm b/.docker/firefox/Dockerfile.arm
index b0a598d..edbf231 100644
--- a/.docker/firefox/Dockerfile.arm
+++ b/.docker/firefox/Dockerfile.arm
@@ -10,7 +10,7 @@ RUN set -eux; apt-get update; \
     # install extensions
     mkdir -p /usr/lib/firefox-esr/distribution/extensions; \
     wget -O '/usr/lib/firefox-esr/distribution/extensions/uBlock0@raymondhill.net.xpi' https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi; \
-    wget -O /usr/lib/firefox-esr/distribution/extensions/nordvpnproxy@nordvpn.com.xpi https://addons.mozilla.org/firefox/downloads/latest/nordvpn-proxy-extension/latest.xpi; \
+    wget -O '/usr/lib/firefox-esr/distribution/extensions/sponsorBlocker@ajay.app.xpi' https://addons.mozilla.org/firefox/downloads/latest/sponsorblock/latest.xpi; \
     #
     # create a profile directory
     mkdir -p /home/neko/.mozilla/firefox/profile.default/extensions; \
diff --git a/.docker/firefox/policies.json b/.docker/firefox/policies.json
index ff162df..e631952 100644
--- a/.docker/firefox/policies.json
+++ b/.docker/firefox/policies.json
@@ -56,8 +56,8 @@
       "*": {
         "installation_mode": "blocked"
       },
-      "nordvpnproxy@nordvpn.com": {
-        "install_url": "https://addons.mozilla.org/firefox/downloads/latest/nordvpn-proxy-extension/latest.xpi",
+      "sponsorBlocker@ajay.app": {
+        "install_url": "https://addons.mozilla.org/firefox/downloads/latest/sponsorblock/latest.xpi",
         "installation_mode": "force_installed"
       },
       "uBlock0@raymondhill.net": {
diff --git a/.docker/google-chrome/policies.json b/.docker/google-chrome/policies.json
index 786c2b1..1c46099 100644
--- a/.docker/google-chrome/policies.json
+++ b/.docker/google-chrome/policies.json
@@ -26,11 +26,11 @@
   ],
   "ExtensionInstallForcelist": [
       "cjpalhdlnbpafiamejdnhcphjbkeiagm;https://clients2.google.com/service/update2/crx",
-      "fjoaledfpmneenckfbpdfhkmimnjocfa;https://clients2.google.com/service/update2/crx"
+      "mnjggcdmjocbbbhaepdhchncahnbgone;https://clients2.google.com/service/update2/crx"
   ],
   "ExtensionInstallWhitelist": [
       "cjpalhdlnbpafiamejdnhcphjbkeiagm",
-      "fjoaledfpmneenckfbpdfhkmimnjocfa"
+      "mnjggcdmjocbbbhaepdhchncahnbgone"
   ],
   "ExtensionInstallBlacklist": [
       "*"
diff --git a/.docker/microsoft-edge/policies.json b/.docker/microsoft-edge/policies.json
index d86c939..e067729 100644
--- a/.docker/microsoft-edge/policies.json
+++ b/.docker/microsoft-edge/policies.json
@@ -26,11 +26,11 @@
   ],
   "ExtensionInstallForcelist": [
       "cjpalhdlnbpafiamejdnhcphjbkeiagm;https://clients2.google.com/service/update2/crx",
-      "fjoaledfpmneenckfbpdfhkmimnjocfa;https://clients2.google.com/service/update2/crx"
+      "mnjggcdmjocbbbhaepdhchncahnbgone;https://clients2.google.com/service/update2/crx"
   ],
   "ExtensionInstallWhitelist": [
       "cjpalhdlnbpafiamejdnhcphjbkeiagm",
-      "fjoaledfpmneenckfbpdfhkmimnjocfa"
+      "mnjggcdmjocbbbhaepdhchncahnbgone"
   ],
   "ExtensionInstallBlacklist": [
       "*"
diff --git a/.docker/ungoogled-chromium/extensions/fjoaledfpmneenckfbpdfhkmimnjocfa.crx b/.docker/ungoogled-chromium/extensions/fjoaledfpmneenckfbpdfhkmimnjocfa.crx
deleted file mode 100644
index 92c0bf5..0000000
Binary files a/.docker/ungoogled-chromium/extensions/fjoaledfpmneenckfbpdfhkmimnjocfa.crx and /dev/null differ
diff --git a/.docker/ungoogled-chromium/extensions/fjoaledfpmneenckfbpdfhkmimnjocfa.json b/.docker/ungoogled-chromium/extensions/fjoaledfpmneenckfbpdfhkmimnjocfa.json
deleted file mode 100644
index 2e297fb..0000000
--- a/.docker/ungoogled-chromium/extensions/fjoaledfpmneenckfbpdfhkmimnjocfa.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "external_crx": "/usr/share/chromium/extensions/fjoaledfpmneenckfbpdfhkmimnjocfa.crx",
-  "external_version": "2.32.0"
-}
diff --git a/.docker/ungoogled-chromium/extensions/mnjggcdmjocbbbhaepdhchncahnbgone.crx b/.docker/ungoogled-chromium/extensions/mnjggcdmjocbbbhaepdhchncahnbgone.crx
new file mode 100644
index 0000000..46c6108
Binary files /dev/null and b/.docker/ungoogled-chromium/extensions/mnjggcdmjocbbbhaepdhchncahnbgone.crx differ
diff --git a/.docker/ungoogled-chromium/extensions/mnjggcdmjocbbbhaepdhchncahnbgone.json b/.docker/ungoogled-chromium/extensions/mnjggcdmjocbbbhaepdhchncahnbgone.json
new file mode 100644
index 0000000..4f846f1
--- /dev/null
+++ b/.docker/ungoogled-chromium/extensions/mnjggcdmjocbbbhaepdhchncahnbgone.json
@@ -0,0 +1,4 @@
+{
+  "external_crx": "/usr/share/chromium/extensions/mnjggcdmjocbbbhaepdhchncahnbgone.crx",
+  "external_version": "4.0.5"
+}
diff --git a/.docker/ungoogled-chromium/policies.json b/.docker/ungoogled-chromium/policies.json
index 5c4362c..1226db9 100644
--- a/.docker/ungoogled-chromium/policies.json
+++ b/.docker/ungoogled-chromium/policies.json
@@ -26,7 +26,7 @@
   ],
   "ExtensionInstallWhitelist": [
       "cjpalhdlnbpafiamejdnhcphjbkeiagm",
-      "fjoaledfpmneenckfbpdfhkmimnjocfa"
+      "mnjggcdmjocbbbhaepdhchncahnbgone"
   ],
   "ExtensionInstallBlacklist": [
       "*"
diff --git a/docs/changelog.md b/docs/changelog.md
index ff1838c..6c5a2ca 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -16,6 +16,7 @@
 - Automatic WebRTC SDP negotiation using onnegotiationneeded handlers. This allows adding/removing track on demand in a session.
 - Added UDP and TCP mux for WebRTC connection. It should handle multiple peers.
 - Broadcast status change is sent to all admins now.
+- NordVPN replaced with Sponsorblock extension in default configuration #144.
 
 ## [n.eko v2.5](https://github.com/m1k1o/neko/releases/tag/v2.5)