diff --git a/pkgs/applications/misc/coolreader/default.nix b/pkgs/applications/misc/coolreader/default.nix
index d3f3eb6fcf5..5b310373eee 100644
--- a/pkgs/applications/misc/coolreader/default.nix
+++ b/pkgs/applications/misc/coolreader/default.nix
@@ -3,13 +3,13 @@
 
 mkDerivation rec {
   pname = "coolreader";
-  version = "3.2.49";
+  version = "3.2.51";
 
   src = fetchFromGitHub {
     owner = "buggins";
     repo = pname;
     rev = "cr${version}";
-    sha256 = "10i3w4zjlilz3smjzbwm50d91ns3w0wlgmsf38fn2lv76zczv8ia";
+    sha256 = "sha256-rRWZHkuSNhAHwxKjpRgcNXO9vs/MDAgEuhRs8mRPjP4=";
   };
 
   nativeBuildInputs = [ cmake pkg-config ];