diff --git a/pkgs/tools/security/oauth2c/default.nix b/pkgs/tools/security/oauth2c/default.nix
index 9ab132481b29..e73aed4dfe8e 100644
--- a/pkgs/tools/security/oauth2c/default.nix
+++ b/pkgs/tools/security/oauth2c/default.nix
@@ -5,13 +5,13 @@
 
 buildGoModule rec {
   pname = "oauth2c";
-  version = "1.8.0";
+  version = "1.9.0";
 
   src = fetchFromGitHub {
     owner = "cloudentity";
     repo = pname;
     rev = "v${version}";
-    hash = "sha256-ecG7+b1chHAJVB7WTilA1dowtisLHj2E/ORUoXXxqNY=";
+    hash = "sha256-+R3NViAnrHg/9dthF0e2dEppX5MLzHeRMYFiZutE1mU=";
   };
 
   vendorHash = "sha256-euEmslrSbXPVDNZkIguq+ukt74Um4H0+lIXEyCBorjE=";