diff --git a/Cargo.toml b/Cargo.toml
index 01d071a..f79dc8d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pg_stage_rs"
-version = "0.3.2"
+version = "0.3.3"
 edition = "2021"
 description = "PostgreSQL dump anonymizer - streaming obfuscation for plain and custom formats"
 
diff --git a/src/format/custom/blocks.rs b/src/format/custom/blocks.rs
index ea64b0f..eb792ea 100644
--- a/src/format/custom/blocks.rs
+++ b/src/format/custom/blocks.rs
@@ -13,7 +13,7 @@ use crate::format::custom::io::DumpIO;
 use crate::processor::DataProcessor;
 
 const OUTPUT_CHUNK_SIZE: usize = 1024 * 1024;
-const MAX_CHUNK_SIZE: usize = 50 * 1024 * 1024;
+const MAX_CHUNK_SIZE: usize = 64 * 1024 * 1024;
 const READ_BUF_SIZE: usize = 2 * 1024 * 1024;
 const COALESCE_TARGET: usize = 256 * 1024;