diff --git a/python/pylibcudf/pylibcudf/io/json.pxd b/python/pylibcudf/pylibcudf/io/json.pxd
index ab9b5b99ce2..f65c1034598 100644
--- a/python/pylibcudf/pylibcudf/io/json.pxd
+++ b/python/pylibcudf/pylibcudf/io/json.pxd
@@ -15,8 +15,8 @@ cpdef TableWithMetadata read_json(
     list dtypes = *,
     compression_type compression = *,
     bool lines = *,
-    size_type byte_range_offset = *,
-    size_type byte_range_size = *,
+    size_t byte_range_offset = *,
+    size_t byte_range_size = *,
     bool keep_quotes = *,
     bool mixed_types_as_string = *,
     bool prune_columns = *,
diff --git a/python/pylibcudf/pylibcudf/io/json.pyx b/python/pylibcudf/pylibcudf/io/json.pyx
index ce086f4a489..29e49083bc6 100644
--- a/python/pylibcudf/pylibcudf/io/json.pyx
+++ b/python/pylibcudf/pylibcudf/io/json.pyx
@@ -51,8 +51,8 @@ cdef json_reader_options _setup_json_reader_options(
         list dtypes,
         compression_type compression,
         bool lines,
-        size_type byte_range_offset,
-        size_type byte_range_size,
+        size_t byte_range_offset,
+        size_t byte_range_size,
         bool keep_quotes,
         bool mixed_types_as_string,
         bool prune_columns,
@@ -189,8 +189,8 @@ cpdef TableWithMetadata read_json(
     list dtypes = None,
     compression_type compression = compression_type.AUTO,
     bool lines = False,
-    size_type byte_range_offset = 0,
-    size_type byte_range_size = 0,
+    size_t byte_range_offset = 0,
+    size_t byte_range_size = 0,
     bool keep_quotes = False,
     bool mixed_types_as_string = False,
     bool prune_columns = False,
@@ -212,9 +212,9 @@ cpdef TableWithMetadata read_json(
         (column_child_name, column_child_type, list of grandchild dtypes).
     compression: CompressionType, default CompressionType.AUTO
         The compression format of the JSON source.
-    byte_range_offset : size_type, default 0
+    byte_range_offset : size_t, default 0
         Number of bytes to skip from source start.
-    byte_range_size : size_type, default 0
+    byte_range_size : size_t, default 0
         Number of bytes to read. By default, will read all bytes.
     keep_quotes : bool, default False
         Whether the reader should keep quotes of string values.
diff --git a/python/pylibcudf/pylibcudf/libcudf/io/json.pxd b/python/pylibcudf/pylibcudf/libcudf/io/json.pxd
index 7514e6c5258..1c74f8ca3ac 100644
--- a/python/pylibcudf/pylibcudf/libcudf/io/json.pxd
+++ b/python/pylibcudf/pylibcudf/libcudf/io/json.pxd
@@ -27,8 +27,8 @@ cdef extern from "cudf/io/json.hpp" \
         cudf_io_types.source_info get_source() except +
         vector[string] get_dtypes() except +
         cudf_io_types.compression_type get_compression() except +
-        size_type get_byte_range_offset() except +
-        size_type get_byte_range_size() except +
+        size_t get_byte_range_offset() except +
+        size_t get_byte_range_size() except +
         bool is_enabled_lines() except +
         bool is_enabled_mixed_types_as_string() except +
         bool is_enabled_prune_columns() except +
@@ -41,8 +41,8 @@ cdef extern from "cudf/io/json.hpp" \
         void set_compression(
             cudf_io_types.compression_type compression
         ) except +
-        void set_byte_range_offset(size_type offset) except +
-        void set_byte_range_size(size_type size) except +
+        void set_byte_range_offset(size_t offset) except +
+        void set_byte_range_size(size_t size) except +
         void enable_lines(bool val) except +
         void enable_mixed_types_as_string(bool val) except +
         void enable_prune_columns(bool val) except +
@@ -73,10 +73,10 @@ cdef extern from "cudf/io/json.hpp" \
             cudf_io_types.compression_type compression
         ) except +
         json_reader_options_builder& byte_range_offset(
-            size_type offset
+            size_t offset
         ) except +
         json_reader_options_builder& byte_range_size(
-            size_type size
+            size_t size
         ) except +
         json_reader_options_builder& lines(
             bool val