diff --git a/pkgs/development/libraries/nng/default.nix b/pkgs/development/libraries/nng/default.nix
index 612f8e384570..9016424d4b30 100644
--- a/pkgs/development/libraries/nng/default.nix
+++ b/pkgs/development/libraries/nng/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "nng";
-  version = "1.8.0";
+  version = "1.9.0";
 
   src = fetchFromGitHub {
     owner = "nanomsg";
     repo = "nng";
     rev = "v${version}";
-    hash = "sha256-E2uosZrmxO3fqwlLuu5e36P70iGj5xUlvhEb+1aSvOA=";
+    hash = "sha256-N1ZMILrFhdkwU4PK/zlSCgGjOm0748fgvZRrk7I9YVg=";
   };
 
   nativeBuildInputs = [ cmake ninja ]