diff --git a/pkgs/development/tools/conftest/default.nix b/pkgs/development/tools/conftest/default.nix
index 9da227601024..13d99813c767 100644
--- a/pkgs/development/tools/conftest/default.nix
+++ b/pkgs/development/tools/conftest/default.nix
@@ -6,15 +6,15 @@
 
 buildGoModule rec {
   pname = "conftest";
-  version = "0.38.0";
+  version = "0.39.0";
 
   src = fetchFromGitHub {
     owner = "open-policy-agent";
     repo = "conftest";
     rev = "refs/tags/v${version}";
-    hash = "sha256-kbWRjOXfDTVI07KuMQHcyxjenc7fW4oWRgyThzO0Pac=";
+    hash = "sha256-FVY4mcf08az3poA2AabqnMnQsJ1Jbqqo5oKUNft+XRk=";
   };
-  vendorHash = "sha256-8ZGZzb7Ikfk9DZQ6zyB+4JJuqyo4nlBDhGWUb8MtSys=";
+  vendorHash = "sha256-IzWb5TvZp9wfzjtk3wYWsJepwJU7qeOAoLFt91rqMRQ=";
 
   ldflags = [
     "-s"