diff --git a/.github/workflows/cron-nixpkgs.yml b/.github/workflows/cron-nixpkgs.yml
index a1a4775..b39434f 100644
--- a/.github/workflows/cron-nixpkgs.yml
+++ b/.github/workflows/cron-nixpkgs.yml
@@ -16,6 +16,7 @@ jobs:
       matrix:
         channel:
           - unstable
+          - 21.11
           - 21.05
           - 20.09
 
diff --git a/src/Search.elm b/src/Search.elm
index afb6004..3dba98e 100644
--- a/src/Search.elm
+++ b/src/Search.elm
@@ -479,6 +479,7 @@ type Channel
     = Unstable
     | Release_20_09
     | Release_21_05
+    | Release_21_11
 
 
 {-| TODO: we should consider using more dynamic approach here
@@ -494,7 +495,7 @@ type alias ChannelDetails =
 
 defaultChannel : String
 defaultChannel =
-    "21.05"
+    "21.11"
 
 
 channelDetails : Channel -> ChannelDetails
@@ -509,6 +510,9 @@ channelDetails channel =
         Release_21_05 ->
             ChannelDetails "21.05" "21.05" "nixos/release-21.05" "nixos-21.05"
 
+        Release_21_11 ->
+            ChannelDetails "21.11" "21.11" "nixos/release-21.11" "nixos-21.11"
+
 
 channelFromId : String -> Maybe Channel
 channelFromId channel_id =
@@ -522,6 +526,9 @@ channelFromId channel_id =
         "21.05" ->
             Just Release_21_05
 
+        "21.11" ->
+            Just Release_21_11
+
         _ ->
             Nothing
 
@@ -536,6 +543,7 @@ channels : List String
 channels =
     [ "20.09"
     , "21.05"
+    , "21.11"
     , "unstable"
     ]
 
@@ -579,16 +587,21 @@ flakeIds =
 
 flakes : List Flake
 flakes =
-    [ { id = "latest-nixos-20.09-latest"
+    [ { id = "latest-nixos-21.11-latest"
       , isNixpkgs = True
-      , title = "Nixpkgs 20.09"
+      , title = "Nixpkgs 21.11"
       , source = ""
       }
-    , { id = "nixos-21.05-latest"
+    , { id = "latest-nixos-21.05-latest"
       , isNixpkgs = True
       , title = "Nixpkgs 21.05"
       , source = ""
       }
+    , { id = "nixos-21.09-latest"
+      , isNixpkgs = True
+      , title = "Nixpkgs 21.09"
+      , source = ""
+      }
     , { id = "latest-nixos-unstable"
       , isNixpkgs = True
       , title = "Nixpkgs Unstable"