diff --git a/pkgs/development/libraries/pico-sdk/default.nix b/pkgs/development/libraries/pico-sdk/default.nix
index ca46d203b348..991d2e661f14 100644
--- a/pkgs/development/libraries/pico-sdk/default.nix
+++ b/pkgs/development/libraries/pico-sdk/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "pico-sdk";
-  version = "1.3.1";
+  version = "1.4.0";
 
   src = fetchFromGitHub {
     owner = "raspberrypi";
     repo = pname;
     rev = version;
-    sha256 = "sha256-Yf3cVFdI8vR/qcxghcx8fsbYs1qD8r6O5aqZ0AkSLDc=";
+    sha256 = "sha256-i3IAaNcd0EfKNvU104a776O1poDAChlx1m+nP8iFn8E=";
   };
 
   nativeBuildInputs = [ cmake ];