diff --git a/data/avro/README.md b/data/avro/README.md
index 9bd4a16..b5b2468 100644
--- a/data/avro/README.md
+++ b/data/avro/README.md
@@ -38,11 +38,15 @@ for (fileStatus <- status) {
 
 Additional notes:
 
-| File                      | Description                                                                                                                                                                                                                                                                         |
-|:--------------------------|:------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
-| alltypes_nulls_plain.avro | Contains a single row with null values for each scalar data type, i.e, `{"string_col":null,"int_col":null,"bool_col":null,"bigint_col":null,"float_col":null,"double_col":null,"bytes_col":null}`. Generated from https://gist.github.com/nenorbot/5a92e24f8f3615488f75e2a18a105c76 |
-| nested_records.avro       | Contains two rows of nested record types. Generated from https://github.com/sarutak/avro-data-generator/blob/master/src/bin/nested-records.rs                                                                                                                                       |
-| simple_enum.avro          | Contains four rows of enum types. Generated from https://github.com/sarutak/avro-data-generator/blob/master/src/bin/simple-enum.rs                                                                                                                                                  |
-| simple_fixed              | Contains two rows of fixed types. Generated from https://github.com/sarutak/avro-data-generator/blob/master/src/bin/simple-fixed.rs                                                                                                                                                 |
-| zero_byte.avro            | Contains two rows of zero bytes followed by a non-zero byte row. Generated from https://gist.github.com/jecsand838/e57647d0d12853f3cf07c350a6a40395                                                                                                                                 |
-| duration_uuid.avro        | Contains four rows of uuid and duration logic types. Generated from https://gist.github.com/jecsand838/cbdaaf581af78f357778bf87d2f3cf15                                                                                                                                             |
\ No newline at end of file
+| File                      | Description                                                                                                                                                                                                                                                                                   |
+|:------------------------------------|:------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| alltypes_nulls_plain.avro           | Contains a single row with null values for each scalar data type, i.e, `{"string_col":null,"int_col":null,"bool_col":null,"bigint_col":null,"float_col":null,"double_col":null,"bytes_col":null}`. Generated from https://gist.github.com/nenorbot/5a92e24f8f3615488f75e2a18a105c76 |
+| nested_records.avro                 | Contains two rows of nested record types. Generated from https://github.com/sarutak/avro-data-generator/blob/master/src/bin/nested-records.rs                                                                                                                                       |
+| simple_enum.avro                    | Contains four rows of enum types. Generated from https://github.com/sarutak/avro-data-generator/blob/master/src/bin/simple-enum.rs                                                                                                                                                  |
+| simple_fixed                        | Contains two rows of fixed types. Generated from https://github.com/sarutak/avro-data-generator/blob/master/src/bin/simple-fixed.rs                                                                                                                                                 |
+| zero_byte.avro                      | Contains two rows of zero bytes followed by a non-zero byte row. Generated from https://gist.github.com/jecsand838/e57647d0d12853f3cf07c350a6a40395                                                                                                                                 |
+| duration_uuid.avro                  | Contains four rows of uuid and duration logic types. Generated from https://gist.github.com/jecsand838/cbdaaf581af78f357778bf87d2f3cf15                                                                                                                                             |
+| fixed256_decimal.avro               | Generated from https://gist.github.com/jecsand838/3890349bdb33082a3e8fdcae3257eef7                                                                                                                                                                                                  |
+| fixed_length_decimal_legacy_32.avro | Generated from https://gist.github.com/jecsand838/3890349bdb33082a3e8fdcae3257eef7                                                                                                                                                                                                  |
+| int128_decimal.avro                 | Generated from https://gist.github.com/jecsand838/3890349bdb33082a3e8fdcae3257eef7                                                                                                                                                                                                  |
+| int256_decimal.avro                 | Generated from https://gist.github.com/jecsand838/3890349bdb33082a3e8fdcae3257eef7       
diff --git a/data/avro/fixed256_decimal.avro b/data/avro/fixed256_decimal.avro
new file mode 100644
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diff --git a/data/avro/fixed_length_decimal_legacy_32.avro b/data/avro/fixed_length_decimal_legacy_32.avro
new file mode 100644
index 0000000..b746df9
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diff --git a/data/avro/int128_decimal.avro b/data/avro/int128_decimal.avro
new file mode 100644
index 0000000..bd54d20
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diff --git a/data/avro/int256_decimal.avro b/data/avro/int256_decimal.avro
new file mode 100644
index 0000000..62ad7ea
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