diff --git a/data_files/.gitignore b/data_files/.gitignore
index d16c04c49..1564eeef1 100644
--- a/data_files/.gitignore
+++ b/data_files/.gitignore
@@ -1,3 +1,8 @@
 cli-rsa.csr
 server2-rsa.csr
 test-ca.csr
+
+/data_files/mpi_write
+/data_files/hmac_drbg_seed
+/data_files/ctr_drbg_seed
+/data_files/entropy_seed