diff --git a/OpenCL/m13600-pure.cl b/OpenCL/m13600-pure.cl
index 1e0ff6d1c..0202cf0bf 100644
--- a/OpenCL/m13600-pure.cl
+++ b/OpenCL/m13600-pure.cl
@@ -37,7 +37,7 @@ typedef struct zip2
   u32 verify_bytes;
   u32 compress_length;
   u32 data_len;
-  u32 data_buf[2048];
+  u32 data_buf[0x4000000];
   u32 auth_len;
   u32 auth_buf[4];
 
diff --git a/docs/changes.txt b/docs/changes.txt
index d9e895e53..28876cd93 100644
--- a/docs/changes.txt
+++ b/docs/changes.txt
@@ -63,6 +63,7 @@
 - OpenCL Runtime: Workaround JiT crash (SC failed. No reason given.) on macOS by limiting local memory allocations to 32k
 - Status View: Include time and duration info when pausing and resuming
 - Tests: Changed tests for VeraCrypt from -a 0 to -a 3, because password extension is not available to all shells
+- WinZip Kernel: Increase supported data length from 8k to 16mb
 
 * changes v6.2.1 -> v6.2.2
 
diff --git a/src/modules/module_13600.c b/src/modules/module_13600.c
index a7d675138..ec1c4e6ef 100644
--- a/src/modules/module_13600.c
+++ b/src/modules/module_13600.c
@@ -61,7 +61,7 @@ typedef struct zip2
   u32 verify_bytes;
   u32 compress_length;
   u32 data_len;
-  u32 data_buf[2048];
+  u32 data_buf[0x4000000];
   u32 auth_len;
   u32 auth_buf[4];
 
@@ -166,7 +166,7 @@ int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
                    | TOKEN_ATTR_VERIFY_HEX;
 
   token.len_min[7] = 0;
-  token.len_max[7] = 16384;
+  token.len_max[7] = 0x4000000 * 4 * 2;
   token.sep[7]     = '*';
   token.attr[7]    = TOKEN_ATTR_VERIFY_LENGTH
                    | TOKEN_ATTR_VERIFY_HEX;