diff --git a/pkgs/by-name/po/pocketsphinx/package.nix b/pkgs/by-name/po/pocketsphinx/package.nix
index 08d3510e072f..1fbb27762623 100644
--- a/pkgs/by-name/po/pocketsphinx/package.nix
+++ b/pkgs/by-name/po/pocketsphinx/package.nix
@@ -55,7 +55,10 @@ stdenv.mkDerivation (finalAttrs: {
   doCheck = stdenv.buildPlatform.canExecute stdenv.hostPlatform;
 
   passthru = {
-    updateScript = gitUpdater { rev-prefix = "v"; };
+    updateScript = gitUpdater {
+      rev-prefix = "v";
+      ignoredVersions = "rc";
+    };
     tests.pkg-config = testers.testMetaPkgConfig finalAttrs.finalPackage;
   };