diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 40addbd..cf05bce 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -66,6 +66,7 @@
 add_test_suite(hmac_drbg hmac_drbg.misc)
 add_test_suite(hmac_drbg hmac_drbg.no_reseed)
 add_test_suite(hmac_drbg hmac_drbg.nopr)
+add_test_suite(hmac_drbg hmac_drbg.pr)
 add_test_suite(hmac_shax)
 add_test_suite(md)
 add_test_suite(mdx)