diff --git a/pkgs/development/libraries/poco/default.nix b/pkgs/development/libraries/poco/default.nix
index 407559137370..ae232cd531f9 100644
--- a/pkgs/development/libraries/poco/default.nix
+++ b/pkgs/development/libraries/poco/default.nix
@@ -3,11 +3,11 @@
 stdenv.mkDerivation rec {
   name = "poco-${version}";
 
-  version = "1.7.8";
+  version = "1.8.1";
 
   src = fetchurl {
     url = "https://pocoproject.org/releases/${name}/${name}-all.tar.gz";
-    sha256 = "17y6kvj4qdpb3p1im8n9qfylfh4bd2xsvbpn24jv97x7f146nhjf";
+    sha256 = "1pg48kk0354vsc6j2wnrk893l5xcsr3bjmkgykd3harcnvfqs7l8";
   };
 
   nativeBuildInputs = [ cmake pkgconfig ];