diff --git a/src/productcomposer/defaults.py b/src/productcomposer/defaults.py
index 4493328..1b351ef 100644
--- a/src/productcomposer/defaults.py
+++ b/src/productcomposer/defaults.py
@@ -7,5 +7,5 @@ and explicitly pass them to the programs.
 """
 
 
-CREATEREPO_CHECKSUM_TYPE: str = "sha512"
-CREATEREPO_GENERAL_COMPRESS_TYPE: str = "zstd"
+CREATEREPO_CHECKSUM_TYPE: str = "sha256"
+CREATEREPO_GENERAL_COMPRESS_TYPE: str = "gz"