--- Cargo.toml.orig	1970-01-01 00:00:00 UTC
+++ Cargo.toml
@@ -14,7 +14,7 @@ crate-type = ["cdylib"]
 crate-type = ["cdylib"]
 
 [features]
-default                  = ["extension-module", "snappy", "lz4", "bzip2", "brotli", "xz", "zstd", "gzip", "deflate", "blosc2", "igzip"]
+default                  = ["extension-module", "snappy", "lz4", "bzip2", "brotli", "xz", "zstd", "gzip", "deflate", "use-system-blosc2-shared", "use-system-isal-shared"]
 extension-module         = ["pyo3/extension-module"]
 generate-import-lib      = ["pyo3/generate-import-lib"]  # needed for Windows PyPy builds