diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -96,7 +96,7 @@
     "nixpkgs": {
         "url": "https://github.com/NixOS/nixpkgs-channels/archive/109a28ab954a0ad129f7621d468f829981b8b96c.tar.gz",
         "owner": "NixOS",
-        "branch": "nixos-19.03",
+        "branch": "nixos-19.09",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz",
         "repo": "nixpkgs-channels",
         "sha256": "12wnxla7ld4cgpdndaipdh3j4zdalifk287ihxhnmrzrghjahs3q",
@@ -133,7 +133,7 @@
 #### Tracking a nixpkgs branch
 
 The `init` command sets the `nix/sources.json` file to track the latest commit
-present on nixpkgs 19.03 when the command was run. Run the following command to
+present on nixpkgs 19.09 when the command was run. Run the following command to
 update it:
 
 ``` shell
@@ -143,7 +143,7 @@
 To change the branch being tracked run this command:
 
 ``` shell
-$ niv update nixpkgs -b nixos-19.03     # equivalent to --branch nixos-19.03
+$ niv update nixpkgs -b nixos-19.09     # equivalent to --branch nixos-19.09
 ```
 
 #### Importing packages from GitHub
@@ -199,7 +199,7 @@
 ```
 niv - dependency manager for Nix projects
 
-version: 0.2.8
+version: 0.2.9
 
 Usage: niv [-s|--sources-file FILE] COMMAND
 
@@ -224,7 +224,7 @@
 Examples:
 
   niv add stedolan/jq
-  niv add NixOS/nixpkgs-channels -n nixpkgs -b nixos-19.03
+  niv add NixOS/nixpkgs-channels -n nixpkgs -b nixos-19.09
   niv add my-package -v alpha-0.1 -t http://example.com/archive/<version>.zip
 
 Usage: niv add PACKAGE [-n|--name NAME] ([-a|--attribute KEY=VAL] |
diff --git a/niv.cabal b/niv.cabal
--- a/niv.cabal
+++ b/niv.cabal
@@ -1,13 +1,13 @@
 cabal-version: 1.12
 
--- This file has been generated from package.yaml by hpack version 0.31.2.
+-- This file has been generated from package.yaml by hpack version 0.32.0.
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 14c279b685996f9b3420df0072e55b06a86c006a89759d44af1aec9f515dab88
+-- hash: ddb3cdf32af755a65bee2021ae1c20874e8fd0074d1bb640af7642fd4152154d
 
 name:           niv
-version:        0.2.8
+version:        0.2.9
 synopsis:       Easy dependency management for Nix projects
 description:    Easy dependency management for Nix projects.
 category:       Development
diff --git a/src/Niv/Cli.hs b/src/Niv/Cli.hs
--- a/src/Niv/Cli.hs
+++ b/src/Niv/Cli.hs
@@ -125,7 +125,7 @@
         , ( pathNixSourcesJson fsj
           , \path -> do
               createFile path initNixSourcesJsonContent
-              -- Imports @niv@ and @nixpkgs@ (19.03)
+              -- Imports @niv@ and @nixpkgs@ (19.09)
               say "Importing 'niv' ..."
               cmdAdd (updateCmd githubCmd) (PackageName "niv")
                 (specToFreeAttrs $ PackageSpec $ HMS.fromList
@@ -138,7 +138,7 @@
                 (specToFreeAttrs $ PackageSpec $ HMS.fromList
                   [ "owner" .= ("NixOS" :: T.Text)
                   , "repo" .= ("nixpkgs-channels" :: T.Text)
-                  , "branch" .= ("nixos-19.03" :: T.Text)
+                  , "branch" .= ("nixos-19.09" :: T.Text)
                   ]
                 )
           , \path _content -> dontCreateFile path)
diff --git a/src/Niv/GitHub/Cmd.hs b/src/Niv/GitHub/Cmd.hs
--- a/src/Niv/GitHub/Cmd.hs
+++ b/src/Niv/GitHub/Cmd.hs
@@ -109,7 +109,7 @@
       "Examples:" Opts.<$$>
       "" Opts.<$$>
       "  niv add stedolan/jq" Opts.<$$>
-      "  niv add NixOS/nixpkgs-channels -n nixpkgs -b nixos-19.03" Opts.<$$>
+      "  niv add NixOS/nixpkgs-channels -n nixpkgs -b nixos-19.09" Opts.<$$>
       "  niv add my-package -v alpha-0.1 -t http://example.com/archive/<version>.zip"
   ]